Compliance West HT-2000PR, Instruction Manual

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until 1.0mA DC is displayed on the DMM and then press the Test button, the display will
show “hold”.
24. Wait until the display returns to "L2". At this point the DC leakage current is calibrated.
Ground Resistance adjustment
1. You must be in Calibration Mode as in step 3 under the Voltage Calibration Adjustment
above
2. Verify the correct value of 1.5 Ω Resistance and 0.2 Ω Resistance with the DMM
3. Connect a 1.5
Ω
resistor from chassis ground to the return connector see figure 17.
4. Press the reset button until "r1" is displayed on the front panel meter.
5. Only for an HT-3000PR, select “AC” by pressing AC/DC selector switch.
6. Press Test and confirm that the meter displays 1.5, Press Test again and wait until the
display return to r1.
7. Only for an HT-3000PR, select “DC” by pressing AC/DC selector switch.
8. Only for an HT-3000PR, Press Test and confirm that the meter displays 1.5, Press Test
again and wait until the display return to r1.
9. Connect a 0.2 Ω resistor from chassis ground to the return connector, see figure 17.
10. Press the reset button until "r2" is displayed on the front panel meter.
11. Only for an HT-3000PR, select “AC” pressing AC/DC selector switch.
12. Press Test and confirm that the meter displays 0.2, Press Test again and wait until the
display return to r2.
13. Only for an HT-3000PR, select “DC” by pressing AC/DC selector switch.
14. Only for an HT-3000PR, Press Test and confirm that the meter displays 0.2, Press Test
again and wait until the display return to r2.
15. Turn OFF the HT-2000PR, HT-2800PR or HT-3000PR.
Return J110 and Chassis ground Resistance connection, use low (less than 0.02 ohm)
resistance cables.
Figure 17. Ground resistance calibration connection.