Tachometer

　

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INTELLIGENT TACHOMETER

　

DT7234C Digital Non Contact + Laser 2 in 1 Tachometer

  • 5 Digits Large Dual LCD Display with Bright White Backlight

  • Integrates laser/optical tachometer and a counter, innovative and unique

  • Applies large-scale integrated circuits and high-tech smart design to ensure accuracy and reliability

  • User Friendly Control Panel

  • Non-Contact RPM Measurement

  • Wide RPM Measurement Range, up to 99,999RPM

  • Automatic measurement range shift, easy to operate

  • Long Measure Distance up to 2m(6.5ft)

  • 999 Seconds Counter

  • Accuracy up to 0.03%

  • 99 Sets Memory Storage

  • MAX/MIN & Data Hold (Last Reading)

  • Low Battery Warning & Over Level indicator

  • Auto Power Off, maximizing battery life

  • Highly accurate, easy to use, fast response and easy to calibrate

  • APPROVED BY STRICT QUALITY AND SAFETY STANDARDS ensures a reliability, stability, long and trouble-free life

  • New aerodynamic shape design, size significantly smaller and easier to single-hand operation

Specifications:

Speed Measure Range: 0.5~9,999.9 / 10,000~99,999

Resolution: 0.1RPM/1RPM

Accuracy: ±(0.03%+2d)

Laser Testing distance: 3cm~2m, angle: 120°

Optical Testing distance: 5cm-60cm

Display 5 digital LCD display, height: 12.2mm

Display: White backlight LCD

Display Period: 4 times/sec.

Static Current: <4.5mA

Special Functions: integrates a tachometer and a counter; 999 seconds count function; 99 group data records

Power Supply: AA1.5V Battery x 4

Dimension: 164.5 x 61 x 42mm

Weight: 150g

Accessories included:

AA1.5V Battery x 4, User's Manual, Reflective Tape x 2. Carrying Pouch

　

　

DT7235B, DT3235B Intelligent Tachometer

Specifications:

Display:                    White backlight LCD (DT7235B)

Accuracy:                 ±(0.05%+1digit)

Sampling Time:          0.5sec (over 120RPM)

Range Selected:        Auto-Ranging, Auto-Power off

Memory:                    Last Value, Max. Value and Min. Value

Data Stored:              Can store 96s

Measuring Range:      0.5 to 19,999RPM   (CONTACT TACH)

                          0.05 to 1,999.9m/min   SURFACE SPEED (m/min)

                          0.2 to 6560ft/min          SURFACE SPEED (ft/min)

Resolution:        0.1RPM (0.5 to 999.9RPM)        (CONTACT TACH)

                        1RPM (over 1,000RPM)              (CONTACT TACH)

            0.01m/min (0.05 to 99.99m/min) SURFACE SPEED (m/min)

            0.1m/min (over 100m/min) SURFACE SPEED (m/min)

            0.1ft/min (0.1 to 999.9ft/min) SURFACE SPEED (ft/min)

            1ft/min (over 1,000ft/min)      SURFACE SPEED (ft/min)

Time Base:                 6MHz Quartz crystal

Power Consumption:   Approx. 45mA

Weight:                      158g

Dimensions:               183x61x42mm

Power Supply:            4x1.5V AA battery   

2. Packing Information:

Package:                              Gift Box

Carton Size:                          43x42x28cm

Quantity / Carton:                   50pcs
　

　

DT7236C Digital Contact+Laser+continiously 3 in 1 Tachometer

  • Reverse face: Display always reads in upright, no matter which way it is turned

  • 5 Digits Large Dual LCD Display with Bright White Backlight

  • User Friendly Control Panel

  • RPM (Non-Contact/Contact) Measurement

  • Linear Speed (Contact) Measurement

  • Wide RPM Measurement Range, up to 99,999RPM

  • Linear Speed Measurement Unit Automatic Convert

  • Long Measure Distance up to 2m(6.5ft)

  • 999 Seconds Counter

  • Accuracy up to 0.03%

  • 99 Sets Memory Storage

  • MAX/MIN Hold

  • Data Hold (Last Reading)

  • With m/min, m/sec & ft/min velocity measuring units

  • Low Battery Warning & Over Level indicator

  • Auto Power Off

  • Highly accurate, easy to use, fast response and easy to calibrate

  • APPROVED BY STRICT QUALITY AND SAFETY STANDARDS ensures a reliability, stability, long and trouble-free life

Specifications:

Measuring range

Speed: 0.5~99,999RPM

Linear velocity: 0.1~9,999.9RPM

Resolution:

Speed: 0.1RPM(0.5~9,999.9RPM); 1RPM(10,000~99,999RPM)

Linear velocity: 0.1M/min(0.1~9,999.9RPM)

Acurancy: ±(0.03%+2d)

Laser Testing distance: 3cm~2m, angle: 120°

Optical Testing distance: 5cm-60cm

Express function

Display 5 digital LCD display, the subtitles12.2mm

special functions: integrates a tachometer and a counter; 999 seconds count function; 99 group data records

Power Supply: AA1.5V Battery x 4

Dimension: 183 x 61 x 42mm

Weight: 150g

Accessories included:

AA1.5V Battery x 4 , User's Manual, Reflective Tape x 2, Flat Wheel Tip Adapter

Funnel Tip Adapter, Cone Tip Adapter, Carrying Pouch
　

　

DT7239B Intelligent Tachometer+Stroboscope 2 in 1

Product Features

  •  High brightness, white backlight, user-friendly environment in the dark observation data

  •  10-meter operation without automatic shutdown, extended battery life

  •  Long-life high-brightness LED light source, greatly reducing the overall power consumption

  •  DC battery power to users for the use and carry a great deal of convenience

  •  High-tech intelligent design concepts, and ensure that the product reliability and durability

  •  New aerodynamic shape design, size significantly smaller and easier to single-hand operation

  • General characteristics

  •  Show : four LCD display, the subtitles 13.5mm

  •  Send significant period : 4 times / second

  •  Power : 4 on the 5th alkaline batteries

  •  Instrument Size : 164 (L) x61 (W) x30 (H) mm

  •  Weight : 138g (excluding batteries)

  •  Minimum resolution : 0.1RPM

Specifications

Its range

Resolution

Accuracy

60.0~999.9

0.1RPM

±(0.03%+2d)

1000~9999

1RPM

　

　
　

　
　 　

Multifunctional Engine Tachometer

DT2600 Digital Engine Tachometer

#Contact, Laser Engine Tachometer, suitable for the laboratory and harsh field conditions.

#Applicable to the product departments of motor, fan, paper-product, plastics, chemical fiber, washing-machine, automobile, airplane, steamer etc.

#Application: Any rotating objects
2-circle 1,2,3,4-cylinder
4-circle 1,2,3,4,5,6,8-cylinder

Features

#Multifunctional. It combines the engine tachometer and laser tachometer into one. As Engine Tachometer to measure engine revolution at the high-tension cords, and as laser tachometer to measure the RPM of any rotating objects.

#The last Value / max. Value / min. Value will be automatically stored in memory and can be displayed by turn.

#Used the exclusive Micro-computer LSIcircuit and crystal time base to offer high accuracy measurement & fast measuring time.

#Wide measuring range and high resolution.

#Digital display gives exact reading with no guessing or errors.

#The use of durable, long-lasting components, including a strong, light weight ABS plastic housing assures maintenance free for many years. The housing has been carefully shaped to fit comfortably in either hand.

Specifications

Display 5 digits, 10 mm LCD

Range:
Engine: 100~20,000 r/min
Laser: 2.5~99,999 r/min

Detection method:
    Engine: Electromagnetic induction (High tension cord)
    Laser: reflection

Distance:
Engine: 10~200mm
Laser: 50~500mm, max up to 1500mm

Resolution 0.1 RPM (2.5~999.9RPM)
              1 RPM (over 1000RPM)

Operating condition: Temp. 0~50°C ,
                            Humidity <80%

Accuracy +/-(0.05%n+1d)

Memory: MAX/MIN/LAST value

Power supply: 4x1.5V AA battery

Dimensions: 178x68x39 mm

Weight (not including probe): 164g

Standard Delivery: 1 Main unit DT2600

1 Sturdy carrying case with handle, 1 User manual
　 　

DT2600P Electro-magnetic Inductive Digital Engine Tachometer

Applicable to the product departments of motor, fan, paper-product, plastics, chemical fiber, washing-machine, automobile, airplane, steamer etc.

#Application: Any rotating objects
2-circle 1,2,3,4-cylinder
4-circle 1,2,3,4,5,6,8-cylinder

Features

#Multifunctional. It combines the engine tachometer and laser tachometer into one. As Engine Tachometer to measure engine revolution at the high-tension cords, and as laser tachometer to measure the RPM of any rotating objects.

#The last Value / max. Value / min. Value will be automatically stored in memory and can be displayed by turn.

#Used the exclusive Micro-computer LSIcircuit and crystal time base to offer high accuracy measurement & fast measuring time.

#Wide measuring range and high resolution.

#Digital display gives exact reading with no guessing or errors.

#The use of durable, long-lasting components, including a strong, light weight ABS plastic housing assures maintenance free for many years. The housing has been carefully shaped to fit comfortably in either hand.

Model:DT2600P

Application: 2-CIRCLE 1,2,3,4-cylinder

4-CIRCLE 1,2,3,4,5,6,8- cylinder

Measurement range: engine 100-9999r/min

Detection method: engine  electromagnetic induction

Resolution:0.1/1

With USB, Bluetooth interface (optional)

Accuracy: ±(0.05%n+1d)

MAX value HOLD

Auto power off

Operating conditions: 0-+45℃(32℉-104℉),≤90%RH

Power supply: 2x1.5V AAA (UM-4) battery

Dimensions: 100x35x23mm

Weight (including battery): 50g

　

DT8237 Gasoline Engine Tachometer

Inductive type measure the engine speed by noncontact
Measuring the temperature cooling water in engine by contact
Testing the rotate speed of multi-cylinder in same time,or testing one of cylinder rotate speed
Testing the rotate speed used to 2 stokes and 4 strokes
Can set the cylinder in 2,3,4,5,6,8,12 or set the impulse of each rotation
Memory the maximum value,minimum value and last value
Can store 300 testing data, Low battery alarming
Yellow-green back light
ºC and ℉ Temperature switch function
Rotation Speed Range:100-19999RPM
Rotation Speed Resolution:±1RPM
±1RPM(100-11999r/min), ±2RPM(12000-20000r/min)
Temperature Range:0-200ºC
Temperature Resolution:±0.5ºC
Temperature Accuracy:±2ºC

DT8238 Multi-functional Recording Tachometer

　

Measure Range: 2.5~99,999RPM
Resolution: 0.01RPM(3~999.99RPM)
　　　　　　0.1RPM(1,000~9,999.9RPM)
　　　　　　1RPM(over 10,000RPM)
Accuracy: ±(0.05%+1 digit)
Respones Time: ≥1,000RPM, 0.2second
　　　　　　　 <1,000RPM, 0.5second
Memory Function: Single-mode automatic memory
maximum, minimun, the last measurement, continuous
mode can record 15000 measuring values.
Interface: MINI-USB interface
The lens with filter, only receive the red light with
specific wavelength and filter the other light effectively.
Measurable speed(RPM), frequency(Hz), with the
accumulated date function.
White backlight LCD. Compalt valuable body.

DT5100 Non-Contact Tachometer

Display:5 Digits,10mm(0.4)LCD

Measurement Range:5-99.9999RPM

Resolution:0.1RPM (<1000RPM) 1RPM (=1000RPM)

Accuracy(23±5ºC):±0.05%+1d

Test Distance:Approx.8m.

Memory:Last,Maximum,Minimum Value

Battery:4 x 1.5V AA (UM-3)battery

Size:170 x 42 x 31mm

Specifications

·Display:5 Digits,10mm(0.4)LCD

·Measurement Range:5-99.9999RPM

·Resolution:0.1RPM (<1000RPM) 1RPM (=1000RPM)

·Accuracy(23±5ºC):±0.05%+1d

·Test Distance:Approx.8m.

·Memory:Last,Maximum,Minimum Value

·Battery:4 x 1.5V AA (UM-3)battery

·Size:170 x 42 x 31mm

DT5200 Contact  Tachometer

Display:5 Digits,10mm(0.4)LCD

Measurement Range:5-99.9999RPM

Resolution:0.1RPM (<1000RPM) 1RPM (=1000RPM)

Accuracy(23±5ºC):±0.05%+1d

Memory:Last,Maximum,Minimum Value

Battery:4 x 1.5V AA (UM-3)battery

Size:204.5 x 42 x 31mm

Specifications

·Display:5 Digits,10mm(0.4)LCD

·Measurement Range:5-99.9999RPM

·Resolution:0.1RPM (<1000RPM) 1RPM (=1000RPM)

·Accuracy(23±5ºC):±0.05%+1d

·Memory:Last,Maximum,Minimum Value

·Battery:4 x 1.5V AA (UM-3)battery

·Size:204.5 x 42 x 31mm

　
　 　

DT2100A Elevator Speedometer (Simple Type)

This Elevator Speedometer is a compact and lightweight handheld speedometer, designed for adjustment, maintenance, and inspection of an elevator.
Features:
* LCD backlight display, it is easy to read the value of the test data even in dark places.
* Two measurement value (CH1/CH2) can be held.
* Low battery indicator function.

Specifications:

Measurement:
Measurement method: Contact method
Measurement range: 0.1~2,000.0m/min
Measurement accuracy: ±1 count
Measurement time: 10ms
Measurement unit: m/min
Auto power-off function: Turns OFF the power in 180 seconds after last operation.
Measurement value hold function: CH1 Value, CH2 Value

Detection:
Number of pulses: 400pulses/rotation, slit reflection method
Light source: Infrared LED
Light-receiving element: Photo diode
Allowable: 5kg in radial direction, 5kg in thrust direction
Bearing life: 2x107r/min·h (maximum load within specification)

Display:
Display unit: 5-digit backlight LCD (upper and lower display)
Update time: 100ms
Resolution: 0.1 (m/min: Number of averaging 10 or more)

General Specifications:
Power supply: 2x1.5v AA/UM-3 battery
Operating temperature: 0~45˚C
Storage temperature: -10~60˚C
Operating humidity: 35~85%RH
Storage humidity: 35~85%RH
Dimensions: 211x80x36mm
Weight (Including batteries): 270g
Standard Accessories:

Main Unit

Circumferential Ring

Screwdriver

External Hold Signal Cable x 2

Instruction Manual

Carrying Case
Optional Accessories: Trigger Unit

DT2100B Elevator Speedometer (Statistical Type)

This Elevator Speedometer is a compact and lightweight handheld speedometer, designed for adjustment, maintenance, and inspection of an elevator.
Features:
* Memory function, for storing and reading 20 sets of measurement results. Including CH1 Value, CH2 Value, Maximum Value. Larger amount of memory can be customized.
* Maximum hold function.
* Averaging function, for averaging with desired number of times up to 200 times. The measurement interval is 10 ms.
* Low battery indicator function.
* Distance measurement function.
* Bluetooth printer function, measurement data can be printed directly.
* Use USB data output to connect with PC.
* Provide Bluetooth data output choice.

Specifications:

Detection:

Number of pulses: 400pulses/rotation, slit reflection method
Light source: Infrared LED
Light-receiving element: Photo diode
Allowable: 5kg in radial direction, 5kg in thrust direction
Bearing life: 2x107r/min·h (maximum load within specification)

Display:

Display unit: 5-digit backlight LCD (upper and lower display)
Update time: 100ms
Resolution: 0.1 (m/min: Number of averaging 10 or more)
                 1 (r/min: Number of averaging 10 or more)
                 1 (mm)

Analog Output:
Contents: Instantaneous value (averaging result output)
Voltage range: 0 to F.S. / 0 to 1V
Conversion method: 10 bits D/A conversion
Linearity: ±1% F.S.
Output update time: 10ms
Output connector: Φ2.5 pin jack
Pulse Output:

Output method: Transistor output (open collector)
Withstand voltage: 14V
Number of pulses: 800/rotation
Logic: Negative logic
Pulse width: Approx 0.5 to 1.2μs
Output connector: Φ2.5 pin jack

General Specifications
Power supply:2x1.5v AA battery
Operating temperature & humidity: 0~45˚C, 35~85%RH
Storage temperature & humidity: -10~60˚C, 35~85%RH
Dimensions: 211x80x36mm
Weight (Including batteries): 270g
Standard Accessories: Main Unit, Circumferential Ring, Screwdriver, Rotating Contact Tip, External Hold Signal Cable x 2, Instruction Manual, Carrying Case
Optional Accessories: Lengthening Rod for Rotating Contact Tip, Trigger Unit, Bluetooth Printer, USB Cable & Software, Bluetooth Adapter & Software

　

　

SRS2120 Mechanic Stethoscope

1. General Description

A. Widely used in ship, automobile, chemical manufacture, metallurgy, machine, household appliance and many other fields. It can pick up and amplify the weak audio signals via a sensitive piezoelectric sensor, and distinguish the normal/abnormal signal and its location.

B. Designed to help locate the source of excess bearing and machine noise easily at low cost. It is an ideal easy to use listening device for mechanical generated noise in all types of applications.

C. Used to quickly locate the source of engine noise such as piston slap, worn gears and bearings, damaged valves, water pump failure, blown gaskets. Also useful tracking down dashboard rattles and squeaks.

2. Main applications

A. Rapidly detect the machine noise from a diesel engine, an air cylinder or an automobile, and exactly find out the malfunction position.

B. Used to check the piston slap, worn gears, damaged valves and bearings, water pump failure in industry.

C. Monitor the automatic assembly line to ensure proper operation.

D. Identify the abnormal noise from an engine or a motor to avoid accident.

E. Monitor the working of all kinds of axletrees.

F. Monitor the working of a ship or vessel.

G. Used in chemical industry to check whether the liquid in a pipe is flowing or blocked.

I. Used in the maintenance of various vehicles and household appliances.

3. Specifications

Frequency range: 10-10KHz

Input Impedance: over 20M

Ambient Noise permitted: 100dB

Working Temperature: -10~60Celsius degree

Power supply: 4x1.5 AAA batteries

Size: 156×67×28mm

Weight: 270 g(including sensors)
　 　

SR2680 Fuel Pressure Meter
Simple-to-use digital meter indicates diesel fuel pressure. Connect to battery terminals and fuel pressure sensor signal wire and digital display will show current fuel pressure and, if
required, maximum pressure detected.
　 　

SR2690 Throttle Potentiometer Tester
Fast diagnosis of a common electronic fault. Simple-to-use digital meter indicates throttle position sensor output voltage. Connect to battery terminals and sensor signal wire and digital display will show output voltage as a percentage.

　

TACHOMETER           page1         page2

　

( If you need user manual, E-catalogue or picture without watermark for above meters, please ask for at: xiushunjie@163.com )