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earth ground bond tester

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earth ground bond tester

EarthgroundtesterRS232ground resistance tester/GroundBondtesterModel:LW7303  Feature :1.Small volume, light weight2.Special linear constant current output, current output range can be up to 30 ~ 40 A3
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LW7303
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Keyword:
earth ground tester
ground bond tester
resistance tester
Product description
Parameters

Earth ground tester

RS232 ground resistance tester/Ground Bond tester

Model:LW7303 

 

Feature :

1.Small volume, light weight

2.Special linear constant current output, current output range can be up to 30 ~ 40 A

3.Simple operation, key lock function

4.Provide 5 set of memory set

5.LCD display

6.Test line impedance self zero correction, ensure accuracy of test results

7.Resistance upper and lower limit set, intelligent alarm

8.Provide remote PLC control interface

 

Parameter 

7303

Output current

3.030.0 A

Output voltage 

6V. MAX

Output frequency 

50 or 60 Hz, ±100 ppm

Output waveform

Sine wave, distortion (THD) < 2%, Crest Factor (Crest Factor) = 1.3 ~ 1.5

Resistance setting range

0~510(mΩ)

0~120(mΩ)

Corresponding current output

3.0~10.0(A)

10.0~30.0(A)

Resistance resolution

1 mΩ

Test time (s)

0, 0.5 – 999.9 (s) (0 = continuous)

Judgment accuracy

±(2% of setting +2 counts)

Voltage set 

0.006.00 V

Test mode  

four-wire measurement

Others 

Memory

5groups memory 

Key Lock

To prevent any unauthorized operators arbitrarily changing the parameter 

Peripheral remote control, PLC interface

Provide Pass, Fail, Processing remote monitoring signals and the TEST, STOP contact

Protection 

Overload, Open circuit automatically cut off the output,light and buzzer alarm

Display 

16 × 2  LCD display

Dimension 

280mm(W) × 89mm(H) × 370mm(D) / 10Kg

 

 

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Hong Kong Longwei Instrument Co., Ltd.

Add: Building 49/50/45, Duozailing, Lincun Industrial Area, Tangxia, Dongguan, Guangdong, China

Distributor in Vietnam:Quoctuan.Co.,Ltd   Tel:0084.4.35148857-0084.0.35148315-0903436355 Mr Tuan

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Copyright @ 2020   Hong Kong Longwei Instrument Co., Ltd.    All rights reserved   粤ICP备05144326号    Powered by www.300.cn

Copyright @ 2020  Hong Kong Longwei Instrument Co., Ltd. 

 粤ICP备05144326号    Powered by www.300.cn