8230 Optical Power Meter Operation Manual
7. CALIBRATION
7-1
7. CALIBRATION
This chapter describes how to calibrate the optical power meter 8230 for use within the specified accuracy.
To use this instrument within the specified accuracy, the 8230 should be calibrated once a year. For more
information on calibrating the sensors, contact an ADC CORPORATION sales representative.
7.1 Measuring Instrument, Cable, and Other Instruments Required for Calibration
The following tables show the required accuracies, cables, and instruments to calibrate the 8230 in each
range:
Table 7-1 Cables, Adapters, and Others Required for Calibration
Cable, adapter, and others Remarks
TRIAX-12 pin conversion adapter A (A185002) For the 823x series sensor path
TRIAX-12pin conversion adapter B For the 821x series sensor path
A01009 TRIAX-TRIAX cable
A01010 TRIAX-alligator cable
Resistor (1 k, 1/4 W or greater, tolerance 5%)
Table 7-2 Current Measurement Calibration
Range
[ZERO] [FS]
Recommended
measuring
instrument
Calibration point
Calibration
point
Required
accuracy [A]
20 nA
0 A
(Input open)
19 nA 106 pA
6245
(FS only)
200 nA 190 nA 436 pA
2 A1.9 A1.42 nA
20 A19 A 12.3 nA
200 A 190 A104 nA
2 mA 1.9 mA 1.04 A
20 mA 19 mA 10.4 A
50 mA 50 mA 18.1 A
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