6166 DC Voltage Current Source Operation Manual
8. CALIBRATION
8-1
8. CALIBRATION
This chapter describes how to calibrate the 6166 to perform within the specified accuracy ranges.
In order to use the 6166 in the specified accuracies, periodic calibration at least once a year is recommended.
(To secure the 90-day or 180-days accuracy, execute calibration once every 90 days or 180 days.)
Contact an ADC CORPORATION sales representative for the calibration service.
8.1 Preparation for Calibration
8.1.1 Measuring Instruments Necessary for Calibration
The following table shows the accuracy of each range and instruments necessary for calibration.
8.1.2 Safety Precautions
1. Use an AC power supply with the specified voltage.
2. Execute calibration under the following conditions in a location free of dust, vibration, noise or other
adverse conditions:
Temperature 23C 1C Relative humidity 60 % or lower
3. Allow the 6166 to warm-up for at least 2 hours before calibration.
Allow the measuring instruments to be used in calibration to warm-up for the period of time specified
before the calibration.
4. After calibration, note the dates of the calibration and the next scheduled calibration on a card or
sticker, etc. for convenience.
5. To prevent the effect of external induced noise, use shielded cables, such as A01035, etc.
Table 8-1 Measuring Instruments Necessary for Calibration
Standard Applicable range Required accuracy
Digital voltmeter 1 V to 1000 V 0.001 %
10 nV to 10 mV
10 nV to 100 mV
0.004 %
0.0025 %
Digital ammeter 1 nA to 100 mA 0.0025 %
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