Issue 1
10-4 Calibration procedures K0460 - [EN] English
3. Use the calibration menu (Section 10.3) to do a two-point
calibration (Zero and FS):
• CH1 (one range): 24 mA.
• CH2 (two ranges): -24 mA and 24 mA.
4. To make sure the calibration is correct, select the applicable
Current (source) function; see Section 3.2.2 or Section 3.2.6
and apply these values:
• CH1/CH2 (24 mA range): 0.2, 6, 12, 18, 24.
• CH2 (-24 mA range): -0.2, -6, -12, -18, -24.
5. Make sure the error is in the specified limits (Table 10-3).
Table 10-3: Current (source) error limits
Source
mA
Calibrator
uncertainty (mA)
Permitted
DPI 620-IS error (mA)
±0.2 0.00008 0.0010
±6 0.00023 0.0016
±12 0.00044 0.0022
±18 0.0065 0.0028
±24 0.0012 0.0034
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