Air Velocity Meter

EMF, RF & Radiation Meter

solar power meter

CO Meter

CO2 Meter

Temperature & Humidity Meter

lux meter

Sound Level Meter, Analyzer & Calibrator

Insulation Tester

UV Light Meter

 

   

 

TM-507    Insulation Tester
Display:
- 4 digits LCD display.
- Polarity indication: Automatic polarity ¡¦ ¡V ¡¥ display for negative input.
- Low battery indication.
Functions:
- Function keys: POWER, GO, ZERO,LOCK, BACKLIT.
- Continuity test.
- Measures high insulation resistance with auto range:
  250V: 4M ~ 1000M Ohm
  500V: 4M ~ 2000M Ohm
  1000V: 4M ~ 4000M Ohm
- Measures DC voltage (0V~600V), AC Voltage (0V~600V).
- Auto power off.
- Auto discharge.
Autorange:
-Open circuit voltage: <1.3 x V0
-Accuracy of nominal voltage: ¡V0% +10%
-Short circuit current: <3.0mA
-Nominal testing current: 1mA @ 1K Ohm x V (1mA @ 500K Ohm)

 

 

 

 

DC voltage measurement

Range

Resolution

Accuracy

Input impedance

Overload protection

0.1 - 600.0V

0.1V

+/- (0.5% rdg + 1 dgt)

3M Ohm

605V AC max RMS

AC voltage measurement

Range

Resolution

Accuracy

Input impedance

Overload protection

0.1 - 600.0V

0.1V

+/- (0.8% rdg + 4 dgt)

3M Ohm

605V AC max RMS

Max crest factor:

Resistance measure / Test Continuity with buzzer

Range

Resolution

Accuracy

Overload protection

0.1 - 199.9 Ohm

0.1 Ohm

+/- (2.0% rdg + 3 dgt)

605V AC max RMS per 1 minute

The buzzer sounds while measured resistance is lower than 30W

LO Ohm : Continuity of protection conductors

Range

Resolution

Accuracy

Overload protection

0.01 - 19.99 Ohm

0.01 Ohm

+/- (2.0% rdg + 3 dgt)

605V max RMS

Test current: >200mA DC up to 5 Ohm (measuring cables resistance included)

Test current: >45mA DC over 5 Ohm (measuring cables resistance included)

Open circuit voltage: 4 < V0 < 24V

M Ohm : Insulation resistance (Auto Range)

Test voltage

Range (Ohm)

Resolution (Ohm)

Accuracy

Overload protection

250V

0.001 - 0.100M

0.001M

+/-  10 dgt

605V max RMS

0.101 ¡V 3.999M

0.001M

+/- (2.0% rdg + 5 dgt)

4.00- 39.99M

0.01 M

40.0 ¡V 399.9M

0.1 M

+/- (5.0% rdg + 5 dgt)

400 ¡V1000M

1M

500V

0.001 - 0.250M

0.001M

+/-  15 dgt

0.251 ¡V 3.999M

0.001M

+/- (2.0% rdg + 5 dgt)

4.00- 39.99M

0.01 M

40.0 ¡V 399.9M

0.1M

400- 2000M

1M

+/- (5.0% rdg + 5 dgt)

1000V

0.001 - 0.250M

0.001M

+/-  15 dgt

0.251 ¡V 3.999M

0.001M

+/- (2.0% rdg + 5 dgt)

4.00- 39.99M

0.01 M

40.0 ¡V 399.9M

0.1M

400 - 1000M

1M

+/- (3.0% rdg + 5 dgt)

1000 - 4000M

1M

+/- (5.0% rdg + 10 dgt)

   

YF-509  Insulation Tester
Display:
- 3½ digits LCD display with max.Reading of 2000 .
- Overload indication.
- Low battery indication.
Functions:
- Function keys: Data hold, Max.
- Equipped with a continuity test.
- Measures high insulation resistance with manual range :( 0.1M£[ to 2000M£[)
  250V: 0.1M ~200M Ohm
  500V :0.1M ~200M Ohm
  1000V:1M ~ 2000MOhm
- Measures DC voltage (0V~1000V), AC Voltage (0V~750V).
Dimension:
- Size:160*100*52mm(LxWxH).
- Weight: About 480g (including battery)

ACV

Range

Resolution

Accuracy

  Input impedance

  Overload protection

ACV 750V

  1V

 +/- (0.8%+4)

  10M Ohm

  DC100V AC 750V rms

 

ACV

  Range

  Resolution

  Accuracy

  Input impedance

  Overload protection

 DCV 1000V

 1V

 +/- (0.5%+1)

 10M Ohm

 DC1000V AC 750V rms

 

Insulation  high

  resistance

Range

Resolution

Accuracy

Short Current

 200M/250V

  0.1M Ohm

+/- (3%+3)

0.4mA max

 200M/500V

  0.1M Ohm

0.9mA max

 2000M/1000V

  1M Ohm

+/- (3%+5)

1.7mA max

 

Continuity test

Resolution

Sound indication

Open voltage

Overload protection   

 0.1 Ohm

Less than 80Ohm

3.3V max

DC/AC 500Vrms

   
   
   

 

 

TM-508A   Milliohm Meter /Battery or AC/DC Adaptor Powered
Display:
- 3½ digits LCD display with max.Reading of 2000 .
- Low battery indication.
Functions:
- Zero adjustment: External zero adjust knob.
- Very low impedance measurement by four wire type one pair coated clip.
- Wide measurement range, 0.1m to 20K Ohm in 6 positions.
- Function keys: D-H switch lockup readings for LCD display.
- Fuse specification: 2A/250V,5ø x 20mm, fast Min. Interrupt ratings 1500A.
Dimension:
-Size:160x 100x 52mm(LxWxH).
-Weight: About 700g.

Specifications:

Range (Ohm)

     Accuracy

   Resolution (Ohm)

   Testing Current

Open-terminal   Voltage

200m

 

 

  +/-(0.3%+4d)

    0.1m

   100mA

 

 

    1.0 Vmax

 2

    1m

   10mA

20

    10m

   10mA

200

    0.1

   1mA

  2k

     1

   1mA

 20k

    10

   100uA

( If you need user manual or E-catalogue for above meters, please ask for at: xiushunjie@163.com )