Page
70
of
79
[EN] English – K0571 Issue 1
User Manual
Druck DPI611
3.
Select range (if applicable)
4.
Follow on-screen instructions
When the calibration is complete, set the next calibration date.
5.5
PROCEDURES: CURRENT (measure)
Do the procedure as follows:
1.
Connect the applicable calibration equipment (
See Table
5-1
)
2.
Let the equipment get to a stable temperature (minimum: 5
minutes since the last power on).
3.
Use the calibration menu (
See Section 5.4
) 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.
•
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 (See
Table
5-2
).
Table 5-2 Current (measure) error limits
Applied
mA
Calibrator
uncertainty
(mA)
Permitted
DPI611 error (mA)
±55
0.0030
0.0057
±25
0.0025
0.0043
±20
0.00063
0.0022
±10
0.00036
0.0016
±5
0.00025
0.0013
0 (open circuit)
0.0002
0.0010
