[EN] English - K0460 Calibration procedures 10-5
Issue 1
10.6 Procedures
(CH1/CH2): DC
mV/Volts (measure)
1. Connect the applicable calibration equipment in Table 10-1;
for example: see Section 3.2.3 (Example procedure:
Measure DC voltage).
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 (-FS, Zero and +FS) for the applicable set of
ranges:
4. To make sure the calibration is correct, select the applicable
Millivolts or Voltage (measure) function; see Section 3.2.3.
5. Then apply the input values that are applicable to the
calibration:
• mV: -2000, -1000, -200, -100, 0 (short circuit).
Then mV: 0, 100, 200, 1000, 2000.
OR
• Volts (V): -30, -21, -20, -10, -5, 0 (short circuit).
Then volts (V): 0, 5, 10, 20, 21, 30.
6. Make sure the error is in the specified limits (Table 10-4 or
Table 10-5).
mV (measure) ranges Volts (measure) ranges
• 200 mV • 20 V
• 2000 mV • 30 V
Table 10-4: Millivolts (measure) error limits
Applied
mV
Calibrator
uncertainty (mV)
Permitted
DPI 620-IS error (mV)
±2000 0.051 0.14
±1000 0.040 0.1
±200 0.0051 0.017
±100 0.0040 0.0125
0 (Short circuit) 0.0036 0.008
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