Commissioning
4.3 Commissioning and operation
OXYMAT 64
Operating Instructions, 06/2008, A5E00880383-03
41
4.3.5
Calibration examples
Detection of oxygen in nitrogen
Oxygen in nitrogen is to be measured. Measuring range in which the calibration is to be
carried out:
Measuring range: 0 – 50 vpm O
2
Calibration gas for zero point (zero gas): 5.8 vpm O
2
Calibration gas for span: 43.3 vpm O
2
Step
Procedure
Function No.
Input
Remark
1
Select start-of-scale
and full-scale values of
measuring range
41
0 – 50 vpm
0 vpm -> 0/2/4 mA
(assignment to analog
output)
50 vpm -> 20 mA
(assignment to analog
output)
5.8 vpm
Zero setpoint
2
Enter setpoints for zero
and span
22
43.3 vpm
Span setpoint
3
Calibrate zero
20
Calibrate using
calibration gas for zero
point (zero gas)
4
Calibrate span
21
Calibrate using
calibration gas for span