Copyright 2013 Baker Hughes Company.
English–DPI620G Instruction Manual | 185
Procedures (CH1): DC mV/Volts (Source)
12.5 Procedures (CH1): DC mV/Volts (Source)
Follow this procedure:
1. Connect the applicable calibration equipment. Refer to Table 12-1.
2. Let the equipment get to a stable temperature (minimum: 5 minutes since the last power on).
3. Use the calibration menu (see Section 12.1) to do a two-point volts or mV source calibration
(Zero and +FS) for the applicable range:
a. mV (source) ranges:
• 2000 mV.
b. Volts (source) ranges:
• 20 V
.
Figure 12-5: Calibration – Voltage Source CH1 (Range: 20 V)
4. Do a check that the calibration is correct:
a. Select the applicable Millivolts or Voltage (measure) function via the Calibrator Task
menu.
b. Apply the input values that are applicable to the calibration:
mV: 0, 100, 200, 1000, 2000.
Volts (V): 0, 5, 10, 15, 20.
c. Do a check that the error is in the limit range. Refer Table 12-6 or Table 12-7.
Table 12-6: Millivolts (Source) Error Limits
Source (mV)
Calibrator Uncertainty
(mV)
Permitted DPI620G
Error (mV)
Permitted DPI620G-IS
Error (mV)
0 0.00010 0.0080 0.0060
100 0.00046 0.0125 0.0090
200 0.00090 0.0170 0.0120
1000 0.00300 0.1000 0.0750
2000 0.00600 0.1400 0.0900
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