Baker Hughes Druck DPI 620 Genii, Instruction Manual

Page: 155 / 166

Copyright 2013 Baker Hughes Company.
English–DPI 620G Instruction Manual | 143
Procedures (CH1): Resistance (Source)
2. Check the error is within limits. Refer to Table 12 - 12.
12.10 Procedures (CH1): Resistance (Source)
Do the procedure as follows:
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 resistance source calibration
for each of the following ranges:
•
Range: 0 - 400 Ω
• Range: 400 Ω - 2000 Ω
• Range: 2k Ω - 4k Ω
Figure 12 - 9: Calibration – Resistance Source CH1 (Range: 2000 to 4000 Ω)
4. Check the calibration is correct:
a. Select the Resistance (source) function via the Calibrator Task Menu.
b. Apply the resistance values that are applicable to the calibration. Refer to Table
12 - 13.
Table 12 - 12: True Ohms (Measure) Error Limits
Standard Resistor (Ω) Resistor Uncertainty (Ω)
Permitted DPI 620 Genii Error
(Ω)
0 (short circuit) – 0.0040
100 0.002 0.0095
200 0.004 0.0150
300 0.006 0.0205
400 0.008 0.0260
1000 0.020 0.0590
2000 0.040 0.1140
4000 0.080 0.2240