Chroma 19020 - Page 111

Calibration Procedure
7-11
ACA 30uA OFFSET(2uA) Calibration Screen:
CALIBRATION
ACA 30uA OFFSET(2uA)
NEXT CH
PREV CH
CHANNEL: 1
OUTPUT READING
0.100kV 1.78uA
STANDARD
2.00uA
LOAD=600MΩ
REMOTE
LOCK
CORR
ERROR
1. Press START to output voltage and read the data from the AC meter.
2. Press numeric key 0 . ~ 9 to input the reading of AC meter.
3. Press ENTER to confirm the input.
4. Press STOP to stop high voltage output.
5. Press ▼ to go to ACA 30uA FULL (20uA) calibration.
■ Change the simulated load capacitance to 44.21pF, equivalent impedance 60MΩ,
5watt or higher power.
ACA 30uA FULL(20uA) Calibration Screen:
CALIBRATION
ACA 30uA
NEXT CH
PREV CH
CHANNEL: 1
OUTPUT READING
0.100kV 19.97uA
STANDARD
20.00uA
REMOTE
LOCK
CORR
ERROR
1. Press START to output voltage and read the data from the AC meter.
2. Press numeric key 0 . ~ 9 to input the reading of AC meter.
3. Press ENTER to confirm the input.
4. Press STOP to stop high voltage output.
5. Press ▼ to go to ACA 300uA OFFSET (20uA) calibration.