GE Druck DPI 620-IS, User Manual

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[EN] English - K0460 Calibration procedures 10-11
Issue 1
10.11 Procedures
(CH1): Resistance
(source)
1. Connect the applicable calibration equipment in Table 10-1 ;
for example: see Section 3.2.9 (Example procedure:
Measure or simulate an RTD (or Resistance)) , example B .
2. Let the equipment get to a stable temperature (minimum: 5
minutes since the last power on).
3. Use the calibration menu ( Section 10.3 ) to do a two-point
calibration for each range.
•
Range: 0-400
Ω
•
Range: 400
Ω
-2000
Ω
•
Range: 2k
Ω
-4k
Ω
4. To make sure the calibration is correct, select the applicable
Resistance (source) function; see
Section 3.2.9 , ( B ).
5. Set the specified values ( Table 10-11 ). Make sure the error
is in the specified limits.
Table 10-11: Resistance (source) error limits
Ohms
(
Ω
)
Excitation
(mA) Calibrator
uncertainty (
Ω
)
Permitted
DPI 620-IS error
(
Ω
)
0 0.1 0.0014 0.014
100 0.1 0.0016 0.038
200 0.1 0.0021 0.062
300 0.1 0.0028 0.11
400 0.1 0.0035 0.31
1000 0.1 0.008 0.55
2000 0.1 0.016 0.86
4000 0.1 0.032 1.1