GE Druck DPI 620-IS - Procedures (CH1): TC MV (Measure or Source)

Issue 1
10-12 Calibration procedures K0460 - [EN] English
10.12 Procedures
(CH1): TC mV
(measure or source)
1. Connect the applicable calibration equipment in Table 10-1;
for example: see Section 3.2.10 (Example procedure:
Measure or simulate a thermocouple (or TC mV)).
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 three-point
calibration (-10 mV, Zero and 100 mV) for the measure or
source function:
4. To make sure the calibration is correct, select the applicable
TC mV (measure) or (source) function; see Section 3.2.10,
and apply the necessary values:
• TC mV (measure): -10, 0 (short circuit).
Then TC (mV): 10, 25, 50, 100.
OR
• TC mV (source): -10, 0, 10, 25, 50, 100.
5. Make sure the error is in the specified limits (Table 10-12).
Table 10-12: TC mV (measure or source) error limits
Input
or output
Calibrator uncertainty
TC (mV)
Permitted
DPI 620-IS error (mV)
TC (mV) (measure) (source) (measure) (source)
-10 0.0036 0.00011 0.0085 0.0085
0 0.0036 0.0001 0.008 0.008
10 0.0036 0.00011 0.0085 0.0085
25 0.0036 0.00015 0.0091 0.0091
50 0.0037 0.00025 0.010 0.010
100 0.004 0.00046 0.0125 0.0125