Insulation Resistance (Ir) Calibration - Chroma 19020 User Manual

7.6 Insulation Resistance (IR) Calibration

Connect a 4MΩ standard resistance in between the high voltage output terminal
■
(HV OUTPUT) and low potential terminal (RTN/LOW) of the channel to be calibrated
on the Tester.
IRR 200MΩ OFFSET (4MΩ) Calibration Screen:
CALIBRATION
IRR 200MΩ OFFSET(4MΩ)
CHANNEL: 1
OUTPUT
1.000kV
STANDARD
4MΩ
LOAD=4MΩ
1. Press to output voltage.
START
2. Press numeric key
3. Press to confirm the input.
ENTER
4. Press to stop high voltage output.
STOP
5. Press to go to IRR 200MΩ FULL(20MΩ) calibration.
▼
Connect a 20MΩ standard resistance in between the high voltage output terminal
■
(HV OUTPUT) and low potential terminal (RTN/LOW) of the channel to be calibrated
on the Tester.
IRR 200MΩ FULL (20MΩ) Calibration Screen:
CALIBRATION
IRR 200MΩ FULL(20MΩ)
CHANNEL: 1
OUTPUT
1.000kV
STANDARD
20MΩ
LOAD=20MΩ
1. Press to output voltage.
START
2. Press numeric key
3. Press to confirm the input.
ENTER
READING
4.1MΩ
REMOTE LOCK
to input actual resistance.
0 . ~ 9
READING
20.4MΩ
REMOTE LOCK
~
to input actual resistance.
0 . 9
Calibration Procedure
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CORR ERROR
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