DC Winding Resistance Bridge Tester

  • JY44 Winding resistance bridge tester
JY44 Winding resistance bridge tester

JY44 Winding resistance bridge tester

  • Product description: 1. Wide range of measurement with 0~20kΩ 2. Max. output current 10A which is suitable for testing extreme low resistance of dry (air-immersed)transformer 3. With third generation power supply techno
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JY44 winding resistance bridge tester's application scope covers QJ23, QJ44 and QJ57 etc single-and double-arm bridge, digital measurement, it is suitable to winding resistance measurement of all inductive item and all transformers below 35KV.

JY44 also can be served as winding resistance measurement of the metal conductor, the switch and the motor etc. JY44 is a intelligent and portable tester which is a ideal measuring instrument for power generation, power supply plant and transformer substation.




FUNCTION INTRODUCTION:

1. Wide range of measurement with 0~20kΩ

2. Max. output current 10A which is suitable for testing extreme low resistance of dry (air-immersed)transformer
3. With third generation power supply techology that can test hundreds thransformers each time.
4. Protection function for transformer from breakage and arcing.
5. Equipped with audio device discharge alarming device.


TECHNOLOGY SPECIFICATION:

Tester type

JY44B

JY44A

JY44

Output current

10A/1A/300mA/100mA

5mA

5A/1A/300mA/100mA

5mA

3A/1A/300mA

100mA/5mA

1A/300mA/100mA5mA

Test range

0~20kΩ

Accuracy

0.2%±1μΩ

0.2%±2μΩ

0.2%±3μΩ

0.2%±10μΩ

Minimum resolution

0.1μΩ

Ω

Ω

Ω

Output voltage

10A(DC3V),

rest switch(DC12V)

5A(DC6V)

rest switch(DC12V)

3A(DC9V)

rest switch(DC12V)

DC12V

Power supply in operation

Inner chargeable battery

Charge Power supply

AC220V±10%,50Hz±1Hz

Temperature in operation

-20~40℃

Relative humidity

≤80%RH, No forming dew

Volume

Length 250mm Width 180mm Height 250mm

Net weight

2.5 kg