Products
earth ground bond tester
Category:
Ground bond tester
Tel: 0595-86102626
Product Description
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
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Parameter |
7303 |
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Output current |
3.0～30.0 （A） |
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Output voltage |
6V. MAX |
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Output frequency |
50 or 60 Hz, ±100 ppm |
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Output waveform |
Sine wave, distortion (THD) < 2%, Crest Factor (Crest Factor) = 1.3 ~ 1.5 |
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Resistance setting range |
0~510(mΩ) |
0~120(mΩ) |
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Corresponding current output |
3.0~10.0(A) |
10.0~30.0(A) |
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Resistance resolution |
1 mΩ |
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Test time (s) |
0, 0.5 – 999.9 (s) (0 = continuous) |
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Judgment accuracy |
±(2% of setting +2 counts) |
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Voltage set |
0.00～6.00 V |
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Test mode |
four-wire measurement |
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Others |
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Memory |
5groups memory |
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Key Lock |
To prevent any unauthorized operators arbitrarily changing the parameter |
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Peripheral remote control, PLC interface |
Provide Pass, Fail, Processing remote monitoring signals and the TEST, STOP contact |
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Protection |
Overload, Open circuit automatically cut off the output,light and buzzer alarm |
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Display |
16 × 2 LCD display |
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Dimension |
280mm(W) × 89mm(H) × 370mm(D) / 10Kg |
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Tel: +86-769-87722745 / 00852-64495383
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