PH Meter / PH Tester

 

pen/pocket type         potable type, combo type         bench top        soil ph meter

 

For ph buffer solution, please click here  PH buffer solution

 

 

PH-010 Folding Three In One pH Tester

PH-010 folding ph meter of a unique design and excellent, very convenient to use. user-friendly regulation measured various angles of liquid measurement and portability, and automatic calibration in the measurement of temperature changes due to the error. Instruments measured by the ambient temperature, relative humidity and PH value from the LCD screen can be directly read out.

(with Environment Temp and Humidity testing)

Measuring range

PH

0.00~14.00PH

ºC

-5~50ºC

RH

10%~99%RH

Resolution

PH

0.01PH

ºC

0.1ºC

RH

1%RH

Accuracy

PH

±0.1PH

ºC

±1ºC

RH

±5%RH

Automatic Temperature Compensation

0ºC~50ºC

Power Supply

4×1.5V(AG13)

Operating Temperature

0ºC~50ºC

Calibration

Manual 1 point

Dimensions

156mm×55mm×23mm

Weight

95g

   

PH-0101 Folding Three In One pH Tester

All same as PH-010, however the thermometer is faster and ph probe is changerable.

Folding design feature to use expediently
Replaceable pH electrode
Clear LCD display featuring both pH, temperature and humidity
The PH-0101 offers increased accuracy when measuring solutions at different temperatures as it automatically measures the temperature and compensates the pH reading accordingly.

Measuring range

PH

0.00~14.00PH

ºC

-5~50ºC

RH

10%~99%RH

Resolution

PH

0.01PH

ºC

0.1ºC

RH

1%RH

Accuracy

PH

±0.1PH

ºC

±1ºC

RH

±5%RH

Automatic Temperature Compensation

0ºC~50ºC

Power Supply

4×1.5V(AG13)

Operating Temperature

0ºC~50ºC

Calibration

Manual 1 point

Dimensions

156mm×55mm×23mm

Weight

95g

 

   

PH-8414 pH/Temp/ORP Meter

High Accuracy Portable pH/Temp/ORP Meter

(noted: ORP function need buy ORP electrode to actualize, standard delivery is without ORP electrode. If with ORP electrode, the model number is ORP-8414)

LCD backlight

Low battery indication

(The red color function is new adding than old model PH-013)

 

 

Range

PH:0.00~14.00

mV:01999mV

ºC:0~100ºC

 

Resolution

PH:0.01PH

mV:1mV

ºC:0.1ºC

 

Accuracy

 

PH:±0.01PH

mV:±1mV±1digit

ºC:±0.4ºC

Calibration

1point or 2point

A T C

0ºC~95ºC

Power

9V battery

Operating Conditions

0~60ºC  RH95%

Dimensions

180×82×45mm

Weight

290g

 

   

PH-013M Portable pH/mV/ºC Meter

(Same function as PH-8414, but smaller design)

Technical Specification:

Model

PH-013M

Measuring range

PH

0.00~14.00PH

mV

0~±1999mV

Temp

0~100ºC

Accuracy

PH

±0.01pH

mV

±0.1℅F. S±1digit

Temp

±0.4ºC

Resolution

PH

0.01pH

mV

1mV

Temp

0.1ºC

Environment

Temperature:0ºC~50ºC Humidity:≤95℅

Display

4-digital LCD

Power Supply

1×9V Battery

Input Impedance

1012Ω

Dimensions

123mm×72mm×33mm

Weight

238g

   

PH-113 Portable pH/Temperature meter

High-precision; small size; simple, easy accessibility and the operation panel that makes machines easy to understand, easy to operate. Automatic temperature compensation, with the help of the temperature probe, can automatically correct the impact of temperature on the pH. Accurate thermometer, the temperature of an independent probe, the sensor can be quickly tested solution temperature. BNC with the composite electrode and 9 V battery, around the world to facilitate the replacement of batteries and electrodes. Economical and practical, fully in line with a wide range of industries need to test.

Technical Specification:

Measuring range

PH

0.00~14.00PH

ºC

0~100ºC

Resolution

PH

0.01PH

ºC

0.1ºC

Accuracy

PH

±0.02PH

ºC

±0.5ºC

Display

PH

4-digital LCD

ºC

3-digital LCD

Automatic Temperature Compensation

0ºC~50ºC

Power Supply

1x9V

Operating Temperature

0ºC~50ºC

Calibration

2 points with auto buffer recognition

Dimensions

123mm×72mm×33mm

   
   

PH-012 Portable pH Meter

 

Technical Specification:

Model

PH-012

Range

0.00~14.00pH

Accuracy

±0.05PH

Resolution

0.01PH

Operating temperature

0ºC~50ºC

Automatic Temperature Compensation

0ºC~50ºC

Power Supply

DC 9V

Dimensions

128mm×64mm×25mm

  Weight

  227g

Packing

50PCS/CTN, CTN SIZE: 50*41*25CM, G.W: 26KGS

   

Features:
2 points push-button calibration with auto-buffer recognition.
Automatically calculates and displays electrode slopes that helps you
decide whether to replace pH electrode.
Selectable either temperature units between degrees Celsius (°C) and
degrees Fahrenheit (°F).
Automatic Temperature Compensation (ATC) ensures highly accurate
measurements over the entire pH range.
Manual temperature calibration provides accurate temperature values
Hold function freezes the current displayed values for easy viewing
and recording.
Help message as a operational guide to helps you understand how to
use meter.
Setup menu allows user customizes temperature units, date and time
to meet measurement requirements.
Expanded memory stores and recalls up to 50 readings.
Built-in real-time clock stamps stored data to meets GLP standards.
Stored data can be transferred into computer via USB communication
interface.

SR220 is an economical portable pH/mV meter designed for
outdoor applications, which is equipped with a large LCD and
a standard BNC connecter. The meter is capable of connecting
the various combination pH electrodes to measures pH values
of solutions.

SR220 Portable pH/mV/°C/°F Meter

Specification:

Model

SR220

pH Range

-2.00~16.00pH

pH Accuracy

±0.01pH

mV Range

-1999~1999mV

mV Accuracy

±1mV

Calibration Points

2 points

Calibration Solutions

USA (pH4.01, 7.00, 10.01)

Temperature Range

0~100°C, 32~212°F

Temperature Accuracy

±1°C

Temperature Calibration

Manual

Temperature Compensation

0~100°C, 32~212°F, Automatic or Manual

Hold Function

Manual

Memory

50 data sets with Date/Time stamping

Output

USB Communication Interface

Connector

BNC

Power Requirements

1×9V/800mA battery

Battery Life

Approximately 150 hours

Dimensions

185(L)×88(W)×32(H)mm

Weight

300 grams

Order code and Accessories:

Order Code

Accessories

SR220-UK

P11 pH Electrode (Made in UK), Standard pH Buffers, Temperature probe, Battery, Carrying Case

SR220-CN

E65-1 pH Electrode (Made in China), Standard pH Buffers, Temperature probe, Battery, Carrying Case

SR220-ORP

E65-1 pH Electrode, 501 ORP Electrode, Standard pH Buffers, Temperature Probe, Battery, Carrying Case

   

Features:
During the pH mode, Up to 5 points push-button calibration with auto-
buffer recognition.
Selectable pH buffer standards and temperature units.
Automatically calculates and displays electrode slope after calibration.
Automatic Temperature Compensation (ATC) ensures highly accurate
measurements over the entire range.
Calibration due reminder prompts you to calibrate the meter regularly.
During ORP mode, Single point offset calibration allows user adjusts displayed value to a known standard.
Absolute or Relative millivolt (R.mV) measurement provides accurate ORP readings.
Automatic endpoint function freezes the stable measured values for easy reading and recording data.
Manual temperature calibration provides accurate temperature value.
Help message as a operational guide to helps you understand how to use meter.

SR221 is a high performance portable pH/ORP meter designed for outdoor applications. The meter contains a built-in setup menu that provides many advanced and useful options to improves accuracy of measurements and simplify operations.

SR221 Portable pH/ORP/°C/°F Meter

Specification:

Model

SR221

pH Range

-2.000~20.000pH

pH Accuracy

±0.002pH

Resolution

0.001, 0.01, 0.1pH, Selectable

mV Range

-1999.9~1999.9mV

mV Accuracy

±0.2mV

Resolution

0.1, 1mV, Selectable

Calibration Points

Up to 5 points

Calibration Solutions

USA(pH1.68/4.01/7.00/10.01/12.45), NIST(pH1.68/4.01/6.86/9.18/12.45), DIN (pH1.09/4.65/6.79/9.23/ 12.75)

Temperature Range

0~105°C, 32~221°F

Temperature Accuracy

±0.5°C, ±0.9°F

Temperature Calibration

Manual

Temperature Compensation

0~100°C, 32~212°F, Automatic or Manual

Auto-Off

Manual or Automatic (10, 20, 30 minutes after last key pressed, Selectable)

Hold Function

Manual or Automatic endpoint

Stability Conditions

Low or High, Selectable

Calibration due reminder

1 to 30 days or Off

Reset Function

Yes

Memory

500 data sets with Date/Time stamping

Output

USB Communication Interface

Connector

BNC

Power Requirements

3×1.5V "AA" batteries

Battery Life

Approximately 150 hours

Dimensions

170(L)×85(W)×30(H)mm

Weight

300 grams

Order code and Accessories:

Order Code

Accessories

SR221-UK

P11 pH Electrode (Made in UK), Standard pH Buffers, Temperature Probe, Batteries, Carrying Case

SR221-CN

E65-1 pH Electrode (Made in China), Standard pH Buffers, Temperature Probe, Batteries, Carrying Case

SR221-ORP

E65-1 pH Electrode, 501 ORP Electrode, Standard pH Buffers, Temperature Probe, Batteries, Carrying Case

   

Features:
During the pH mode, Up to 5 points push-button calibration with auto-
buffer recognition.
Selectable pH buffer standards and temperature units.
Automatically calculates and displays electrode slope after calibration.
During ORP mode, Single point offset calibration allows user adjusts
displayed value to a known standard.
Absolute or Relative millivolt (R.mV) measurement provides accurate
ORP readings.
During the ion mode, 2 to 5 points push-button calibration from low to
high concentrations.
Selectable multiple concentration units, including ppm, mg/L and mol/L.
Direct readout ion concentration simplifies the elaborate measurement
process.
Automatic Temperature Compensation (ATC) ensures highly accurate
measurements over the entire range.
Automatic endpoint function freezes the stable measured values for
easy reading and recording data.
Calibration due reminder prompts you to calibrate the meter regularly.
Manual temperature calibration provides accurate temperature value.
Help message as a operational guide to helps you understand how
to use meter.

SR320 is a multi-parameter ion meter used for measuring the
ion concentration and pH value of liquids. The meter is equipped
with a BNC connecter that can connects various combination
Ion Selective Electrodes.

SR320 Portable pH/ORP/Ion/°C/°F Meter

Specification:

Model

SR320

pH Range

-2.000~20.000pH

pH Accuracy

±0.002pH

Resolution

0.001, 0.01, 0.1pH, Selectable

Calibration Points

Up to 5 points

Calibration Solutions

USA(pH1.68/4.01/7.00/10.01/12.45), NIST(pH1.68/4.01/6.86/9.18/12.45), DIN (pH1.09/4.65/6.79/9.23/ 12.75)

Ion Concentration Range

0.001~19999ppm, mg/L or mol/L (Depending on measuring range of Ion Selective Electrode)

Ion Concentration Accuracy

±0.5% Full Scale (Monovalent), ±1% Full Scale (Divalent)

Calibration Points

2 to 5 points

Calibration Solutions

0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm

mV Range

-1999.9~1999.9mV

mV Accuracy

±0.2mV

Resolution

0.1, 1mV, Selectable

Temperature Range

0~105°C, 32~221°F

Temperature Accuracy

±0.5°C, ±0.9°F

Temperature Calibration

Manual

Temperature Compensation

0~100°C, 32~212°F, Automatic or Manual

Auto-Off

Manual or Automatic (10, 20, 30 minutes after last key pressed, Selectable)

Hold Function

Manual or Automatic endpoint

Stability Conditions

Low or High, Selectable

Calibration due reminder

1 to 30 days or Off

Reset Function

Yes

Memory

500 data sets with Date/Time stamping

Output

USB Communication Interface

Connector

BNC

Power Requirements

3×1.5V "AA" batteries

Battery Life

Approximately 150 hours

Dimensions

170(L)×85(W)×30(H)mm

Weight

300 grams

Order code and Accessories:

Order Code

Accessories

SR320-UK

P11 pH Electrode (Made in UK), Standard pH Buffers, Temperature Probe, Batteries, Carrying Case

SR320-CN

E65-1 pH Electrode (Made in China), Standard pH Buffers, Temperature Probe, Batteries, Carrying Case

SR320-ORP

E65-1 pH Electrode, 501 ORP Electrode, Standard pH Buffers, Temperature Probe, Batteries, Carrying Case

   

SR321 Portable Ion/mV/°C/°F Meter

Features:
2 to 5 points push-button calibration from low to high concentrations.
Selectable multiple concentration units, including ppm, mg/L and mol/L.
Direct readout ion concentration simplifies the elaborate measurement process.
mV measurement allows user to check performance of ion electrode.
Automatic Temperature Compensation (ATC) ensures highly accurate
measurements over the entire range.
Automatic endpoint function freezes the stable measured values for easy reading and recording data.
Calibration due reminder prompts you to calibrate the meter regularly.
Help message as a operational guide to helps you understand how to use meter.
Setup menu lets user customize calibration points, ion concentration units, stability conditions, temperature units, date and time to meet measurement requirements.
Reset function can resumes all settings to factory default values.
Expanded memory stores and recalls up to 500 readings.
Built-in real-time clock stamps stored data to meets GLP standards.
Stored data can be transferred into computer via USB communication interface.

Model

SR321-F

SR321-CL

SR321-NO3

SR321-Na

SR321-Ca

SR321-Br

SR321-NH4

SR321-Cn

SR321-Ag

Ion Concentration Range

1×10-6M~Saturation

5×10-5~1M

7×10-6~1M

4×10-6~1M

5×10-7~1M

5×10-7~1M

5×10-6~0.1M

8×10-6~0.01M

1×10-7~1M

Ion Concentration Accuracy

±0.5% Full Scale

±1% Full Scale

±0.5% Full Scale

±1% Full Scale

Units

ppm, mg/L, mol/L

Calibration Points

2 to 5 points

Calibration Solutions

0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm

mV Range

-1999.9~1999.9mV

mV Accuracy

±0.2mV

Temperature Range

0~105°C, 32~221°F

Temperature Accuracy

±0.5°C, ±0.9°F

Temperature Calibration   

Measuring value ±10°C

Temperature Compensation

0~100°C, 32~212°F, Automatic or Manual

Auto-Off

Manual or Automatic (10, 20, 30 minutes after last key pressed, Selectable)

Hold Function

Manual or Automatic endpoint

Stability Conditions

Low or High, Selectable

Calibration due reminder

1 to 30 days or Off

Reset Function

Yes

Memory

500 data sets with Date/Time stamping

Output

USB Communication Interface

Connector

BNC

Power Requirements   

3×1.5V "AA" batteries

Dimensions   

170(L)×85(W)×30(H)mm

Weight

300 grams

   

SR321 Portable Ion/mV/°C/°F Meter

Features:
2 to 5 points push-button calibration from low to high concentrations.
Selectable multiple concentration units, including ppm, mg/L and mol/L.
Direct readout ion concentration simplifies the elaborate measurement process.
mV measurement allows user to check performance of ion electrode.
Automatic Temperature Compensation (ATC) ensures highly accurate
measurements over the entire range.
Automatic endpoint function freezes the stable measured values for easy reading and recording data.
Calibration due reminder prompts you to calibrate the meter regularly.
Help message as a operational guide to helps you understand how to use meter.
Setup menu lets user customize calibration points, ion concentration units, stability conditions, temperature units, date and time to meet measurement requirements.
Reset function can resumes all settings to factory default values.
Expanded memory stores and recalls up to 500 readings.
Built-in real-time clock stamps stored data to meets GLP standards.
Stored data can be transferred into computer via USB communication interface.

Model

SR321-Cd

SR321-Cu

SR321-Pb

SR321-I

SR321-S

Ion Concentration Range

1×10-6~0.1M

5×10-8~1M

1×10-7~1M

Ion Concentration Accuracy

±1% Full Scale

Units

ppm, mg/L, mol/L

Calibration Points

2 to 5 points

Calibration Solutions

0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm

mV Range

-1999.9~1999.9mV

mV Accuracy

±0.2mV

Temperature Range

0~105°C, 32~221°F

Temperature Accuracy

±0.5°C, ±0.9°F

Temperature Calibration  

Measuring value ±10°C

Temperature Compensation

0~100°C, 32~212°F, Automatic or Manual

Auto-Off

Manual or Automatic (10, 20, 30 minutes after last key pressed, Selectable)

Hold Function

Manual or Automatic endpoint

Stability Conditions

Low or High, Selectable

Calibration due reminder

1 to 30 days or Off

Reset Function

Yes

Memory

500 data sets with Date/Time stamping

Output

USB Communication Interface

Connector

BNC

Power Requirements  

3×1.5V "AA" batteries

Dimensions  

170(L)×85(W)×30(H)mm

 Weight

300 grams

   

SR900 Series Portable Multi-parameter Water Quality Meter

 

Order Code and Accessories:

Order Code

Accessories

SR900P-UK 

P11 Glass pH Electrode (Made in UK), K10 Conductivity Electrode (Made in UK), DO100 DO Probe (Made in US), TP-10K Temperature Probe, pH Buffer Pouches (pH4.01, 7.00, 10.01), Conductivity Calibration Solutions (146uS/cm, 1413uS/cm, 12.88mS/cm), Carrying Case and “AA” Batteries

SR900P-CN

E65-1-BNC Glass pH Electrode, CON-1 Conductivity Electrode, pH Buffer Pouches (pH4.01, 7.00, 10.01), DO100 DO Probe (Made in US), TP-10K Temperature Probe, Conductivity Calibration Solutions (146uS/cm, 1413uS/cm, 12.88mS/cm), Carrying Case and “AA” Batteries

SR901P-UK 

P11 Glass pH Electrode (Made in UK), K10 Conductivity Electrode (Made in UK), TP-10K Temperature Probe,

pH Buffer Pouches (pH4.01, 7.00, 10.01), Conductivity Calibration Solutions (146uS/cm, 1413uS/cm, 12.88mS/cm),

Carrying Case and “AA” Batteries

SR901P-CN

E65-1-BNC Glass pH Electrode, CON-1 Conductivity Electrode, TP-10K Temperature Probe, pH Buffer Pouches (pH4.01, 7.00, 10.01), Conductivity Calibration Solutions (146uS/cm, 1413uS/cm, 12.88mS/cm), Carrying Case and “AA” Batteries

SR902P-UK 

P11 Glass pH Electrode (Made in UK), K10 Conductivity Electrode (Made in UK), TP-10K Temperature Probe,

pH Buffer Pouches (pH4.01, 7.00, 10.01), Conductivity Calibration Solutions (146uS/cm, 1413uS/cm, 12.88mS/cm),

Carrying Case and “AA” Batteries

SR902P-CN

E65-1-BNC Glass pH Electrode, CON-1 Conductivity Electrode, TP-10K Temperature Probe, pH Buffer Pouches (pH4.01, 7.00, 10.01), Conductivity Calibration Solutions (146uS/cm, 1413uS/cm, 12.88mS/cm), Carrying Case and “AA” Batteries

SR903P-UK 

P11 Glass pH Electrode (Made in UK), DO100 DO Probe (Made in US), TP-10K Temperature Probe, pH Buffer Solutions (pH4.01, 7.00, 10.01), Carrying Case and “AA” Batteries

SR903P-CN

E65-1-BNC Glass pH Electrode, DO100 DO Probe (Made in US), TP-10K Temperature Probe, pH Buffer Solutions (pH4.01, 7.00, 10.01), Carrying Case and “AA” Batteries

SR904P-UK

K10 Conductivity Electrode (Made in UK), DO100 DO Probe (Made in US), TP-10K Temperature Probe,

Conductivity Calibration Solutions (146uS/cm, 1413uS/cm, 12.88mS/cm), Carrying Case and “AA” Batteries

SR904P-CN

CON-1 Conductivity Electrode, DO100 DO Probe (Made in US), TP-10K Temperature Probe, Conductivity Calibration Solutions (146uS/cm, 1413uS/cm, 12.88mS/cm), Carrying Case and “AA” Batteries

   

Extech PH300 is OEM made based on ours this meter SR711. They use totally same IC borard and shell, and technology to produce.

 

Package includes

1. SR711portable meter;

3. pH calibration solution (4.00, 7.00, 10.01pH/50ml)

2. 201T-S plastic pH/ATC 3-in-1 combination electrode

4. Carrying case

MODEL: SR711 pH/mV/Temp. 3-in-1 Portable Meter

Features:

-Built-in microprocessor chip, with the intelligent functions of automatic calibration, automatic temperature compensation, data storage, function setting and automatic self-diagnose, auto power off and low voltage display etc.

-Adopts digital filter and step slipping technology to intelligently improve meter's response speed and result accuracy. ""will appear when reading to be stable.

-Automatically recognize 13 kinds of pH standard buffer solution. User can choose anyone from three series of buffer solutions: Europe & U.S.A. series, NIST series, China series.

-Purified water and ammonia added purified water pH measuring mode can be set up, especially suitable for the fields of electric power and petrochemical etc.

-Meter's circuit board adopts SMT film-covering technology to improve meter's production reliability.

-Meter has the back light LCD display monitor.

-Dustproof and waterproof meter meets IP57 rating.

Specifications:

Measuring range

pH:  (-2.00 ~ 19.99)pH    mV:  ±1999mV

Resolution

pH:  0.1/0.01pH          mV:  1mV

Accuracy

pH:  ±0.01pH            mV: ±0.1%FS

Stability

±0.01 pH/3h

Temp. compensation range

(0 ~ 100) ºC (ATC)

Data storage

200 groups

Storage content

Series number, measuring value, measuring unit and temperature

Power

Two AA batteries (1.5V x2)

Size and weight

Meter: (65×120×31)mm/180g  Carrying case:(255 x 210x 50)mm/790g

Quality and safety certification

ISO9001:2000, CE and CMC

   

Prominent Features

-Double parameters meter, equips with pH and ORP electrode,calibration solution and special carrying case, easy to use.

-Built-in microprocessor chip, with the intelligent functions of automatic calibration, automatic temperature compensation, data storage, function setting and automatic self-diagnose, auto power off and low voltage display etc.

-Adopts digital filter and step slipping technology to intelligently improve meter's response speed and result accuracy, "" will appear when reading to be stable.

-Automatically recognize 13 kinds of pH standard buffer solution. User can choose anyone from three series of buffer solutions: Europe & U.S.A. series, NIST series, or China series.

-Purified water and ammonia added purified water pH measuring mode can be set up, for this two special pH measuring modes, besides the general slope temperature compensation, also added function of nonlinearity solution temperature compensation to make measurement more accurate, especially suitable for the fields of electric power and petrochemical etc.

-Meter's circuit board adopts SMT film-covering technology to improve meter's production reliability.

-Meter has the back light LCD display monitor.

-Dustproof and waterproof meter meets IP57 rating.

Model: SR721 pH/ORP/Temp. Meter

Technical parameter

1. pH:

Measuring range

(-2.00 to 19.99) pH

Resolution

0.1/0.01 pH

Accuracy

Meter:±0.01pH; connect meter with electrode: ±0.02pH

Temp. Compensation range

(0 to 100) ºC (automatic)

2. ORP:

Measuring range (mV/ORP/EH)

-1999 mV to 0 to 1999mV

Resolution

1mV

Accuracy

Meter:±0.1% FS, connect meter with electrode: ±15mV

3. Other Technical Parameters:

Data storage

200 groups

Storage content

Series number, measuring value measuring unit and temperature,

Power

Two AA batteries (1.5V x2)

Size and weight

(360 x 270x 76) mm/1.5kg

   Packing 10PCS/CTN, CTN SIZE: 69*39*29CM, G.W: 15KGS, VOLUME WEIGHT: 16KGS

Quality and safety certification

ISO9001:2000, CE and CMC

IP rating

IP57 Dustproof and waterproof

Package includes

1. SR721portable meter;

4. pH calibration solution (4.00, 7.00, 10.01pH/50ml)

2. 201T-S plastic pH/ATC 3-in-1 combination electrode

5. 220mV ORP standard solution(50mL)

3. 301Pt-S ORP combination electrode

6. Carrying case

   

Extech EC600 is OEM made based on ours this meter SR723. They use totally same IC borard and shell, and technology to produce.

Prominent Features

-Double parameters meter, with pH electrode, conductivity electrode, and with calibration solution and special carrying case, easy to use.

-Built-in microprocessor chip, with the intelligent functions of automatic calibration, automatic temperature compensation, data storage, function setting and automatic self-diagnose, auto power off and low voltage display etc. 

-Adopts digital filter and step slipping technology to intelligently improve meter's response speed and result accuracy. "" will appear when reading to be stable.

-Automatically recognize 13 kinds of pH standard buffer solution. User can choose anyone from three series of buffer solutions: Europe & U.S.A. series, NIST series, China series.

-High purified water and ammonia added purified water pH measuring mode can be set up, for this two special pH measuring modes, besides the general slope temperature compensation, also added function of nonlinearity solution temperature compensation to make measurement more accurate, especially suitable for the fields of electric power and petrochemical etc.

-Adopts advanced automatic frequency convertible and voltage regulation technology to enlarge the measuring range of conductivity electrode which constant K=1 to 10 times. It can meet measuring accuracy requirement for range within 0 to 200mS/cm by using only one-point calibration. It is the particular one–point calibration function for this meter.

-Automatically recognize 8 kinds of conductivity standard solution. User can choose anyone from two series of standard solutions: Europe & USA series and CHINA series.

-Automatically select conductivity measuring range, the meter will do non-linearity temperature compensation test for purified and high purified water less than 10uS/cm, which greatly improve the measuring accuracy. It is especially suitable for use in fields of electric power, microelectronics and medicine.

-Meter's circuit board adopts SMT film-covering technology to improve meter's production reliability.

-Meter has the back light LCD display monitor.

1-Dustproof and waterproof meter meets IP57 rating.

Model: SR723 pH/mV/Conductivity/TDS/Sal./Res./Temp.  7-in-1 Meter

Technical parameter

1. pH:

Measuring range

(-2.00 to 19.99) pH

Resolution

0.1/0.01 pH

Accuracy

Meter:±0.01pH; connect meter with electrode: ±0.02pH

Temp. Compensation range

(0 to 100) ºC (automatic)

2. mV:

Measuring range (mV/ORP/EH)

-1999 mV to 0 to 1999mV

Resolution

1mV

Accuracy

Meter:±0.1% FS, connect meter with electrode: ±15mV

3. Conductivity:

 

 

Measuring range

Conductivity:

(0.00 to 19.99)μS/cm  (20.0 to 199.9)μS/cm

(200 to 1999)μS/cm   (2.00 to 19.99) mS/cm

(20.0 to 199.9) mS/cm

TDS: (0 to 100) g/L

Salinity:(0 to 100) ppt

Resistivity:(0 to 100) MΩ*cm

Resolution

0.01/0.1/1μS/cm  0.01/0.1 mS/cm

Accuracy

Meter:±1.0% FS, connect meter with electrode:±1.5% FS

Temp. compensation range

(0 to 50) ºC (automatic)

Electrode constant

0.1 / 1 / 10 cm-1

Benchmark temperature

25ºC, 20ºCand 18ºC

4. Other Technical Parameters:

Data storage

300 groups

Storage content

Series number, measuring value measuring unit and temperature,

Power

Two AA batteries (1.5V x2)

Size and weight

(360 x 270x 76) mm/1.7kg

Quality and safety certification

ISO9001:2000, CE and CMC

IP rating

IP57 Dustproof and waterproof

Package includes

1. SR723portable meter;

4. pH calibration solution (4.00, 7.00, 10.01pH/50ml)

2. 201T-S plastic pH/ATC 3-in-1 combination electrode

5. Conductivity calibration solution (1413μS/cm/50ml)

3. 2301-S plastic conductivity electrode (ATC, K=1)

6. Carrying case

 
   
 

Prominent Features

1. Double parameters meter, with pH and DO electrode, also with calibration solution and special carrying case, easy to use.

2. Built-in microprocessor chip, with the intelligent functions of automatic calibration, automatic temperature compensation, data storage, function setting and automatic self-diagnose, auto power off and low voltage display etc.

3. Adopts digital filter and step slipping technology to intelligently improve meter's response speed and result accuracy. "" will appear when reading to be stable.

4. It automatically recognizes 13 kinds of pH standard buffer solution. User can choose anyone from three series of buffer solutions: Europe & U.S.A. series, NIST series and China series.

5. Purified water and ammonia added purified water pH measuring mode can be set up, for this two special pH measuring modes, besides the general slope compensation, also added function of nonlinearity temperature compensation for pH values of solution to make measurement more accurate, especially suitable for use in the fields of electric power and petrochemical etc.

6. Equipped with new type of DO electrode with temperature and salinity sensor which makes DO measuring mode has auto temperature compensation, auto salinity compensation and manual barometric pressure compensation. It's easy to use and accurate to measure.

7. Polarogram type DO electrode has special electrode calibration cap. Only needs 3 to 5 minutes for electrode polarization. Electrode adopts combination diaphragm cap which very convenient to use. Each DO electrode equips with three spare diaphragms caps.

8. Meter's circuit board adopts SMT film-covering technology to improve meter's production reliability.

9. Meter has the blue back light LCD display monitor.

10. Dustproof and waterproof meter meets IP57 rating.

Model: SR725  pH/mV/DO/Temp. 4-in-1 Meter

Technical parameter

1. pH:

Measuring range

(-2.00 to 19.99) pH

Resolution

0.1/0.01 pH

Accuracy

Meter:±0.01pH; connect meter with electrode: ±0.02pH

Temp. Compensation range

(0 to 100) ºC (automatic)

2. mV:

Measuring range (mV/ORP/EH)

-1999 mV to 0 to 1999mV

Resolution

1mV

Accuracy

Meter:±0.1% FS, connect meter with electrode: ±15mV

3. Dissolved Oxygen:

Measuring range

(0 to 40.00) mg/L(ppm)  (0 to 200.0) %

Resolution

0.1/0.01 mg/L(ppm)  1/0.1%

Accuracy

Meter:±0.10 mg/L, connect meter with electrode:±0.40 mg/L

Temp. Compensation range

(0 to 45) ºC (automatic)

Salinity compensation range

(0 to 45) ppt (automatic)

Barometric pressure compensation range

(66 to 200) kPa (manual)

Automatic calibration

Air saturated by water; water saturated by air

Electrode type

Polarogram type

4. Other Technical Parameters:

Data storage

300 groups

Storage content

Series number, measuring value measuring unit and temperature,

Power

Two AA batteries (1.5V x2)

Size and weight

(360 x 270x 76) mm/1.7kg

Quality and safety certification

ISO9001:2000, CE and CMC

IP rating

IP57 Dustproof and waterproof

Package includes

1. SR725 portable meter;

4. pH calibration solution (4.00, 7.00, 10.01pH/50ml)

2. 201T-S plastic pH/ATC 3-in-1 combination electrode

5. Carrying case

3. DO500 DO electrode
 

3pcs of membrane caps inner solution for DO probe (30ml)

   
 

Prominent Features

1. Multi-parameter meter, equipped with pH electrode, ORP electrode, conductivity electrode, equips with calibration solution and special carrying case, easy to use.

2. Built-in microprocessor chip, with the intelligent functions of automatic calibration, automatic temperature compensation, data storage, function setting and self-diagnose information, auto power off and low voltage display etc.

3. Adopts digital filter and step slipping technology to intelligently improve meter's response speed and result accuracy. "" will appear when reading to be stable.

4. Automatically recognize 13 kinds of pH standard buffer solution. User can choose anyone from three series of buffer solutions: Europe & U.S.A. series, NIST series, China series.

5. High purified water and ammonia added purified water pH measuring mode can be set up, for this two special pH measuring modes, besides the general slope temperature compensation, also added function of nonlinearity solution temperature compensation to make measurement more accurate, especially suitable for the fields of electric power and petrochemical etc.

6. Adopts advanced automatic frequency convertible and voltage regulation technology to enlarge the measuring range of conductivity electrode which constant K=1 to 10 times. It can meet measuring accuracy requirement for range within 0 to 200mS/cm by using only one-point calibration. It is the particular one–point calibration function for this meter.

7. Automatically recognize 8 kinds of conductivity standard solution. User can choose anyone from two series of standard solutions: Europe & USA series and China series.

8. Automatically select conductivity measuring range, the meter will do non-linearity temperature compensation test for purified and high purified water less than 10uS/cm, which greatly improve the measuring accuracy. It is especially suitable for use in fields of electric power, microelectronics and medicine.

9. Meter's circuit board adopts SMT film-covering technology to improve meter's production reliability.

10. Meter has the blue backlight LCD display.

11. Dustproof and waterproof meter meets IP57 rating.

Model: SR731 pH/ORP/Conductivity/TDS/Sal./Res./Temp. 7-in-1 Meter

Technical parameter

1. pH:

Measuring range

(-2.00 to 19.99) pH

Resolution

0.1/0.01 pH

Accuracy

Meter:±0.01pH; connect meter with electrode: ±0.02pH

Temp. Compensation range

(0 to 100) ºC (automatic)

2. ORP(mV):

Measuring range (mV/ORP/EH)

-1999 mV to 0 to 1999mV

Resolution

1mV

Accuracy

Meter:±0.1% FS, connect meter with electrode: ±15mV

3. Conductivity:

 

 

Measuring range

Conductivity:

(0.00 to 19.99)μS/cm  (20.0 to 199.9)μS/cm

(200 to 1999)μS/cm   (2.00 to 19.99) mS/cm

(20.0 to 199.9) mS/cm

TDS:     (0 to 100) g/L

Salinity :  (0 to 100) ppt

Resistivity:(0 to 100) MΩ*cm

Resolution

0.01/0.1/1μS/cm  0.01/0.1 mS/cm

Accuracy

Meter:±1.0% FS, connect meter with electrode:±1.5% FS

Temp. compensation range

(0 to 50) ºC (automatic)

Electrode constant

0.1 / 1 / 10 cm-1

Benchmark temperature

25ºC, 20ºCand 18ºC

4. Other Technical Parameters:

Data storage

300 groups

Storage content

Series number, measuring value measuring unit and temperature,

Power

Two AA batteries (1.5V x2)

Size and weight

(360 x 270x 76) mm/1.7kg

Quality and safety certification

ISO9001:2000, CE and CMC

IP rating

IP57 Dustproof and waterproof

Package includes

1. SR731portable meter;

5. pH calibration solution (4.00, 7.00, 10.01pH/50ml)

2. 201T-S plastic pH/ATC 3-in-1 combination electrode

6. Conductivity calibration solution (1413μS/cm/50ml)

3. 301Pt-S ORP combination electrode

7. Carrying case

4. 2301-S plastic conductivity electrode (ATC, K=1)

 

   
 

Extech DO700 is OEM made based on ours this meter SR736. They use totally same IC borard and shell, and technology to produce.

Prominent Features

1. Multi-parameter meter, equipped with pH electrode, ORP Electrode, conductivity electrode, temperature electrode, DO

electrode, when connect the electrode to the meter, the meter can automatically know the electrode, easy to use.

2. Built-in microprocessor chip.. Its features up to automatic calibration, automatic temperature compensation, data storage, auto power off, low voltage indication, functions setting and automatic self-diagnose etc. 

3. Adopts digital filter and step slipping technology to intelligently improve meter's response speed and result accuracy. "" will appear when reading to be stable.

4. Automatically recognize 13 kinds of pH standard buffer solution. User can choose anyone from three series of buffer solutions: Europe & U.S.A. series, NIST series, and China series.

5. High purified water and ammonia added purified water pH measuring mode can be set up, for this two special pH measuring modes, besides the general slope temperature compensation, also added function of nonlinearity solution temperature compensation to make measurement more accurate, especially suitable for the fields of electric power and petrochemical etc.

6. Adopts advanced automatic frequency convertible and voltage regulation technology to enlarge the measuring range of conductivity electrode which constant K=1 to 10 times. It can meet measuring accuracy requirement for range within 0 to 200mS/cm by using only one-point calibration. It is the particular one–point calibration function for this meter.

7. Automatically recognize 8 kinds of conductivity standard solution. User can choose anyone from two series of standard solutions: Europe & USA series and CHINA series.

8. Automatically select conductivity measuring range, the meter will do non-linearity temperature compensation test for purified and high purified water less than 10uS/cm, which greatly improve the measuring accuracy. It is especially suitable for use in fields of electric power, microelectronics and medicine.

9. Equips new type of DO electrode with temperature and salinity sensor which has function of automatic temperature compensation and automatic salinity compensation as well as manual Atmospheric pressure compensation inside meter, easy to use, accurate to measure.

10. Polarogram type DO electrode has special electrode calibration cap. Only needs 3 to 5 minutes for electrode polarization. Electrode adopts combination diaphragm cap which very convenient to use. Each DO electrode equips with three spare diaphragms caps.

11. Meter's circuit board adopts SMT film-covering technology to improve meter's production reliability.

12. Meter has the back light LCD display monitor.

13. Dustproof and waterproof meter meets IP57 rating.

Model: SR736 pH/mV/Conductivity/TDS/Sal./Res./DO/Temp. 8-in-1 Meter

Technical parameter

1. pH:

Measuring range

(-2.00 to 19.99) pH

Resolution

0.1/0.01 pH

Accuracy

Meter:±0.01pH; connect meter with electrode: ±0.02pH

Temp. Compensation range

(0 to 100) ºC (automatic)

2. Conductivity:

 

 

Measuring range

Conductivity:

(0.00 to 19.99)μS/cm  (20.0 to 199.9)μS/cm

(200 to 1999)μS/cm   (2.00 to 19.99) mS/cm

(20.0 to 199.9) mS/cm

TDS:     (0 to 100) g/L

Salinity :  (0 to 100) ppt

Resistivity:(0 to 100) MΩ·cm

Resolution

0.01/0.1/1μS/cm  0.01/0.1 mS/cm

Accuracy

Meter:±1.0% FS, connect meter with electrode:±1.5% FS

Temp. compensation range

(0 to 50) ºC (automatic)

Electrode constant

0.1 / 1 / 10 cm-1

Benchmark temperature

25ºC, 20ºCand 18ºC

3. Dissolved Oxygen:

Measuring range

(0 to 40.00) mg/L(ppm)  (0 to 200.0) %

Resolution

0.1/0.01 mg/L(ppm)  1/0.1%

Accuracy

Meter:±0.10 mg/L, connect meter with electrode:±0.40 mg/L

Temp. Compensation range

(0 to 45) ºC (automatic)

Salinity compensation range

(0 to 45) ppt (automatic)

Barometric pressure compensation range

(66 to 200) kPa (manual)

Automatic calibration

Air saturated by water; water saturated by air

Electrode type

Polarogram type

4. Other Technical Parameters:

Data storage

400 groups

Storage content

Series number, measuring value measuring unit and temperature,

Power

Two AA batteries (1.5V x2)

Size and weight

(360 x 270x 76) mm/1.7kg

Quality and safety certification

ISO9001:2000, CE and CMC

IP rating

IP57 Dustproof and waterproof

Package includes

1. SR736portable meter;

2. 201T-S plastic pH/ATC 3-in-1 combination electrode

3. 2301-S plastic conductivity electrode (ATC, K=1)

4. DO500 DO electrode
3pcs of membrane caps inner solution for DO probe (30ml)

5. pH calibration solution (4.00, 7.00, 10.01pH/50ml)

6. Conductivity calibration solution (1413μS/cm/50ml)

7. Carrying case

8. Battles (1.5V x 2) 

9. Operation Maunal

   
 

Prominent Features

1. Multi-parameter meter, equipped with pH electrode, ORP Electrode, conductivity electrode, temperature electrode, DO

electrode, when connect the electrode to the meter, the meter can automatically know the electrode, easy to use.

2. Built-in microprocessor chip.. Its features up to automatic calibration, automatic temperature compensation, data storage, auto power off, low voltage indication, functions setting and automatic self-diagnose etc.

3. Adopts digital filter and step slipping technology to intelligently improve meter's response speed and result accuracy. "will appear when reading to be stable.

4. Automatically recognize 13 kinds of pH standard buffer solution. User can choose anyone from three series of buffer solutions: Europe & U.S.A. series, NIST series, and China series.

5. High purified water and ammonia added purified water pH measuring mode can be set up, for this two special pH measuring modes, besides the general slope temperature compensation, also added function of nonlinearity solution temperature compensation to make measurement more accurate, especially suitable for the fields of electric power and petrochemical etc.

6. Adopts advanced automatic frequency convertible and voltage regulation technology to enlarge the measuring range of conductivity electrode which constant K=1 to 10 times. It can meet measuring accuracy requirement for range within 0 to 200mS/cm by using only one-point calibration. It is the particular one–point calibration function for this meter.

7. Automatically recognize 8 kinds of conductivity standard solution. User can choose anyone from two series of standard solutions: Europe & USA series and CHINA series.

8. Automatically select conductivity measuring range, the meter will do non-linearity temperature compensation test for purified and high purified water less than 10uS/cm, which greatly improve the measuring accuracy. It is especially suitable for use in fields of electric power, microelectronics and medicine.

9. Equips new type of DO electrode with temperature and salinity sensor which has function of automatic temperature compensation and automatic salinity compensation as well as manual Atmospheric pressure compensation inside meter, easy to use, accurate to measure.

10. Polarogram type DO electrode has special electrode calibration cap. Only needs 3 to 5 minutes for electrode polarization. Electrode adopts combination diaphragm cap which very convenient to use. Each DO electrode equips with three spare diaphragms caps.

11. Meter's circuit board adopts SMT film-covering technology to improve meter's production reliability.

12. Meter has the back light LCD display monitor.

13. Dustproof and waterproof meter meets IP57 rating.

Model: SR751 pH/ORP/Conductivity/TDS/Sal./Res./DO/Temp. 8-in-1 Meter

Technical parameter

1. pH:

Measuring range

(-2.00 to 19.99) pH

Resolution

0.1/0.01 pH

Accuracy

Meter:±0.01pH; connect meter with electrode: ±0.02pH

Temp. Compensation range

(0 to 100) ºC (automatic)

2. ORP(mV):

Measuring range (mV/ORP/EH)

-1999 mV to 0 to 1999mV

Resolution

1mV

Accuracy

Meter:±0.1% FS, connect meter with electrode: ±15mV

3. Conductivity:

 

 

Measuring range

Conductivity:

(0.00 to 19.99)μS/cm  (20.0 to 199.9)μS/cm

(200 to 1999)μS/cm   (2.00 to 19.99) mS/cm

(20.0 to 199.9) mS/cm

TDS:     (0 to 100) g/L

Salinity :  (0 to 100) ppt

Resistivity:(0 to 100) MΩ*cm

Resolution

0.01/0.1/1μS/cm  0.01/0.1 mS/cm

Accuracy

Meter:±1.0% FS, connect meter with electrode:±1.5% FS

Temp. compensation range

(0 to 50) ºC (automatic)

Electrode constant

0.1 / 1 / 10 cm-1

Benchmark temperature

25ºC, 20ºCand 18ºC

4. Dissolved Oxygen:

Measuring range

(0 to 40.00) mg/L(ppm)  (0 to 200.0) %

Resolution

0.1/0.01 mg/L(ppm)  1/0.1%

Accuracy

Meter:±0.10 mg/L, connect meter with electrode:±0.40 mg/L

Temp. Compensation range

(0 to 45) ºC (automatic)

Salinity compensation range

(0 to 45) ppt (automatic)

Barometric pressure compensation range

(66 to 200) kPa (manual)

Automatic calibration

Air saturated by water; water saturated by air

Electrode type

Polarogram type

5. Other Technical Parameters:

Data storage

400 groups

Storage content

Series number, measuring value measuring unit and temperature,

Power

Two AA batteries (1.5V x2)

Size and weight

(360 x 270x 76) mm/1.7kg

Quality and safety certification

ISO9001:2000, CE and CMC

IP rating

IP57 Dustproof and waterproof

Package includes

1. SR751portable meter;

 5. DO500 DO electrode 
3pcs of membrane caps inner solution for DO probe (30ml) 

2. 201T-S plastic pH/ATC 3-in-1 combination electrode

6. pH calibration solution (4.00, 7.00, 10.01pH/50ml)

3. 301Pt-S ORP combination electrode

7. Conductivity calibration solution (1413μS/cm/50ml)

4. 2301-S plastic conductivity electrode (ATC, K=1)

8. Carrying case

   

SR204  Portable pH/mV Meter
CHARACTERISTICS:

1. With blue back-light displaying LCD
2. Auto. Calibration function
3. Displaying pH and temp. or mV and temp. simultaneously
4. With manual Temp. compensation
5. Two points calibration

SPECIFICATION:
1. Measuring Range:pH: (0.00-14.00)pH; mV: (-1400-0)mV,(0~1400)mV
2. Resolution: pH: 0.01pH; mV: 1mV
3. Accuracy: pH: ±0.03pH±1bit; mV: ±0.2%(FS)mV±1bi
4. Input impedance: 5×1011Ω
5. Stability: ±0.03pH±1bit/3h
6. Temp. compensation range: (0~60)ºC

Standard configuration:

1. Main instrument

1

2. AA Salinity Battery

4

3. PH Combined Electrode

1

4. PH4.00, 7.00, 10.00 Buffer

5 bags for each

Overall dimension & weight:

Shipping package dimension: 255-255-195mm

Packing:

10PCS/CTN, CTN SIZE: 61*29*84CM, G.W: 18KGS,Volume Weight:30KGS

   

SR260  Portable pH/mV/Temp. Meter
Characteristics:

-Microprocessor technology.
-Automatic calibration, automatic or manual temperature compensation.
-Measurement results can be stored, deleted, searched and printed. It can store at most 250 sets of measurement data.
-With low voltage display, automatic switching off, protection from electricity cutting off. With 4 pieces of No.5 batteries.
-With RS-232 interface.

Specifications:
1. Measurement range:
   pH (0.00-14.00)pH, mV: (-1800~1800)mV,  temperature: 0.0-60.0ºC
2. Resolution: pH: 0.01 pH, mV: 0.1mV; temperature: 0.1ºC
3. Accuracy: pH: ±0.01pH, mV: ±0.1% FS, temperature: ±0.3ºC

4. Input impedance: ≥ 1×1012Ω
5. Temperature compensation range: (-5.0-105.0) ºC

Standard configuration:

1. Main instrument

1

2. AA Salinity Battery

4

3. PH Combined Electrode

1

4. Suitcase

1

5. PH4, 6.86, 9.18 Buffer

5 bags for each

6. Data Collecting software

1

7. RS-232 Communication Line

1

8. TP-16 Print Connection Line

1

Overall dimension & weight:

Shipping package dimension: 355-335-135mm

Gross weight: 3kg Net weight: 2kg

 

   

PH-7012 PH Meter

Feature:

 PH7012 PH Mete is a large screen rechargeable 4 LCD display with backlight, easy to read and accurately measuring PH, Simple operation, strong and durable, economical and practical, Equipped with standard BNC electrode composite. It is very convenient that to change electrode in the world, complete with various industry test needs.

Specifications:

Measurement Range                     0.00~14.00PH

Resolution                                    0.01PH

Precision                                      ±0.1PH

Temperature Compensation            0ºC~50ºC

Battery                                         DC 6V

Charging time              4h(After charging 16 hours of continuous work)

Operating Temperature                  0ºC~50ºC

Relative humidity (RH)                   <85%

Calibration mode                          Manual single-point calibration

Dimensions                                 128mm*68mm*25mm

Weight                                        110g

   

PH-7013 PH/mV Meter

Features:

PH-7013 PH meter has been specially designed for the maximum facility of use. Large screen backlight 4 LCD display, the handy key board for the selection of the various functions .The possibility of automatically

correcting errors in measurement due to temperature and the extreme simplicity of regulation all serve to permit a rapid and reliable execution of calibration and measurement. The display on the front panel reveals the temperature. PH or mV readings taken by the instrument The instrument comes supplied with a combined PH electrode and a probe for the measurement and compensation of the temperature.

Specifications:

Measurement range:

-PH    0.00 ~ 14.00 PH

-MV  -1999 ~ + 1999 MV

-Temperature  0 ~ 100 ºC

Precision:

-PH   ±0.01 PH

-MV  ± n × ± 0. 1%

-Temperature  ±0.4 ºC

Resolution:

-PH       0.01 PH

-MV        1.0 MV

-Temperature is    0.1 ºC

   

 

pen/pocket type         potable type, combo type         bench top        soil ph meter