8230 Optical Power Meter Operation Manual
7.6 Calibration Procedure
7-8
7.6 Calibration Procedure
This section describes the calibration procedure.
1. Enter the calibration mode. : CAL1
2. Refer to Section 7.3, “How to Connect the Instrument” and connect the instru-
ment.
3. Refer to Figure 7-3 Calibration Flow, and perform the IV offset calibration and
then the current measurement calibration.
4. Save the calibration data by executing XWR. : XWR
5. Terminate the calibration mode. : CAL0
CAUTION: The IV offset calibration and the current measurement calibration do not have to be performed con-
secutively.
For example, when calibrating multiple instruments, the IV offset calibration can be performed to all
the instruments, and then the current measurement calibration can be performed later.
7.6.1 IV Offset Calibration
1. Refer to Figure 7-1 Connection Diagram for the IV Offset Calibration, and con-
nect the instrument.
2. Open the input and perform the zero calibration.
Zero calibration XIVC0
3. Connect a 1 k resistor and perform the full calibration.
Full calibration XIVC1
4. A calibration error may occur if any induction noise occurs. If any induction
noise occurs, re-execute calibration.
5. When the calibration is complete, terminate the calibration mode by executing
CAL0. If performing the current measurement calibration consecutively, proceed
to the current measurement calibration without executing CAL0.
7.6.2 Current Measurement Calibration
1. Refer to Figure 7-2 Connection Diagram for the Current Measurement Calibra-
tion, and connect the instrument.
2. Initialize all the calibration data.
Initializing all data XINI0
Perform the zero calibration in all ranges.
3. Set the range.
20 nA : XR4
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