GE Druck DPI 620 Genii - Page 143

User Manual Druck DPI620 Genii
3. Use the calibration menu (Ref: Section 8.1) to do a three-
point calibration (-FS, Zero and +FS) for each range: 20
mA and 55 mA.
4. Check the calibration is correct.
• Select the applicable Current (measure) function, (Ref:
Section 2.4, 3).
• Apply the values that follow:
mA: -55, -25, -20, -10, -5, 0 (open circuit)
mA: 0, 5, 10, 20, 25, 55.
• Check the error is in the specified limits (Ref: Table
8-2).
Table 8-2 Current (measure) error limits
Applied
mA
Calibrator
uncertainty
(mA)
Permitted
DPI 620 error
(mA)
±55
0.003
0.0055
±25
0.0025
0.0040
±20
0.00063
0.0022
±10
0.00036
0.0016
±5
0.00025
0.0013
0 (open circuit)
0.0002
0.0010
06 June 2013 K0541 issue 1 Page 143 of 175