6247G/6247C DC Voltage Current Source/Monitor Operation Manual
8. CALIBRATION
8-1
8.
CALIBRATION
This chapter describes how to calibrate the 6247G/6247C to perform within the specified accuracy ranges.
In order to use the 6247G/6247C in the specified accuracies, periodic calibration at least once a year is rec-
ommended.
Contact an ADC CORPORATION sales representative for the calibration service.
8.1
Measuring Instrument and Cables Necessary for Calibration
The following table shows the required accuracies of a DMM and cables used for calibration.
Range
ZERO
F. S.
Cable
Calibration point
Required
accuracy
Calibration point
Required
accuracy
5 V
0V
5
V
V
20 ppm
A01044
(supplied accessory) *1
V
20 ppm
50 V
50
V
V
20 ppm
-10 V
20 ppm
250 V
500
V
0
V
20 ppm
-15 V
20 ppm
3
A
0A
50 pA
3
A
120 ppm
A01035
30
A
50 pA
30
A
120 ppm
A01044
(supplied accessory) *1
300
A
500 pA
300
A
120 ppm
3 mA
5 nA
3 mA
120 ppm
30 mA
50 nA
30 mA
120 ppm
300 mA
500 nA
300 mA
210 ppm
*1:
When much externally induced noise exists, use shielded cables, such as A01001, etc.
