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Earth Ground Tester

earth ground tester Model: LW7303 This is the ground bond tester, programmable resistance tester.,it is also called earth ground tester. This ground resistance tester the range: 3-30A, 6V. Max. Feature: 1.Small volume, light weight 2.Special linear constant current output, current output range...

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Product Details

earth ground tester
Model: LW7303

This is the ground bond tester, programmable resistance tester.,it is also called earth ground tester. This ground resistance tester the range: 3-30A, 6V. Max.


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

3.0~30.0 (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

0.00~6.00 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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