Siemens OXYMAT 64 - Calibration Examples

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