Vitrek V4 - Page 64

Vitrek V4 – Electrical Safety Tester USER MANUAL
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STEP 6: Ground Bond Current Adjustment (STEP 6: GB)
Connect current shunt (100m, 100A) with a voltage meter (on the range of DC mV) and V4.
Switch the EST to "STEP6: GB I" module and press "START" key to calibration " GB I 3A","GB I 40A"
sequence (DMM display 300mV and 4V).Press EDIT/SAVE key. (When current passes through the shunt,
it will produce voltage.)
After the calibration of 2 sets current are finished, the LCD will go back the original display.
STEP 7: Ground Bond Voltage Adjustment (STEP 7: GB V)
Connect a high voltage meter (on the range of DC 2V) and GPI-745. Switch the EST to "STEP7:GB V"
module and press "START" key to calibration. Following the onscreen instructions, adjust the EST until it is
outputting .1VDC. Press EDIT/SAVE. Again, following the onscreen instructions, adjust the EST until it is
outputting 8VDC. Press EDIT/SAVE key
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