Lamtec LT 2 - Calibration of the Probe KS1-DK Via Menu Function

6 Commissioning / Shutdown
60
6.4 Calibration of the probe KS1-DK via menu function
Note:
The pressure increase of the calibration with compressed air or testgas is monitored
by a absolut pressure sensor. Befor starting calibration, the value of the absolute
pressure must be adjusted to the actuell environment pressure.
Via a zero point offset in parameter 412 the value of the absolut pressure can be
increased or decreased.
CAUTION!
Befor first calibration, the probe must be at least 30 minutes operated in „MEASURE“
without a fault, otherwise the new probe datas will not be refreshed.
Trigger parameter 109 „exchange probe“. Stored datas of the probe will be deleted.
Several possibilities exist for calibrating both sensors of the probe.
• Offset calibration on ambient air Æ chapter 6.5.1
The probe must be located at ambient air
alternativ
• Offset calibration with compressed air, open before Æ chapter 6.5.2
- pre pressure compressed air 0,3bar
- Pressure increase “dP” 2…3mbar
• Calibration with reference measuring Æ chapter 6.5.3
- Reference measuring device
alternativ
• O
2
calibration with test gas, open gas Æ chapter 6.5.4
- Test gas containing O
2
, pre pressure 0,3bar
- Pressure increase “dP” 2…3mbar
• CO calibration with test gas, open gas Æ chapter 6.5.5
- Test gas containing CO, pre pressure 0,3bar
- Pressure increase “dP” 2…3mbar
With param. 270, you can define which access level is required in order to initiate
calibration. The following settings are possible:
• “Off” (default):
• “Customer”, “Service”
• “Maintenance”, “Customer+Maintenance”
• “Service+Maintenance”