Or Sensor Calibration; Servicing And Care - IMT Analytics FlowAnalyser PF-300 PRO User Manual

MultiGasAnalyser OR-703
8.7

OR sensor calibration

8
8.8

Servicing and care

38
Ambient air calibration of the infrared measurement should be performed at regular
intervals and after any replacement of the airway adapter.
The need for ambient air calibration is indicated on the monitor by an alarm message
"Calibration of OR Sensor!". (After calibration, the message disappears).
Ambient air calibration can also be performed if an offset is found in the gas meas-
urements. The gas measurements should be checked with a reference measuring
instrument. Calibration is performed by attaching a new airway adapter to the OR
sensor. The airway adapter must not be connected to the air circuit. Then, the cali-
bration procedure begins in the menu of FlowAnalyser PRO. If the sensor is in the
correct position, it will click into place. Before continuing, please wait 30 seconds
because the sensor has to warm up first.
If the airway adapter is being replaced, zero calibration must be
performed.
It is important to ensure that during calibration, there is no flow through the airway
adapter. For successful ambient air calibration, it is essential to have ambient air con-
ditions (21 % O and 0 % CO
2 2
After calibration, the readings should always be checked in order to obtain correct
readings with certainty during subsequent measurements.
MultiGasAnalyser is non-sterile. Autoclaving, sterilisation and immersion in liquid can
cause serious damage to the sensor. The sensor can be cleaned with a cloth mois-
tened with ethanol or isopropyl alcohol.
The airway adapter must be changed at least every 12 months. If MultiGasAnalyser
is used in a sterile system, a new sterile adapter must be fitted.
Gas measurements should be checked regularly using a reference measuring instru-
ment.
For this purpose, IMT Analytics AG offers a service to recertify the measuring accu-
racy of the sensor.
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IMT Analytics AG