4-8
4. Open the valve to flow CO
2 and make sure that there is flow sufficient to vent to
atmosphere.
5. In the [Calibrate CO2] menu, enter the CO
2 concentration in the [CO2] field.
6. In the [Calibrate CO2], the measured CO
2 concentration is displayed. After the
measured CO
2 concentration becomes stable, select [Calibrate CO2] to calibrate the
CO
2 module.
If the calibration is finished successfully, the message [Calibration Completed!] is displayed
in the [Calibrate CO2] menu. If the calibration failed, the message [Calibration Failed] is
displayed. In this case, perform another calibration.
4.4.4 Infrared Ear Thermometer/Exergen TemporalScanner Thermometer
Test
Tool required:
Water bath
Blackbody as specified in EN 12470-5-2003
Four-channel thermometer
1. Put the probe of four-channel thermometer into water bath, and then put the
blackbody into water bath, set the water bath to 37.0Ԩ. allow the water bath sufficient
time to equilibrate.
2. Set the infrared ear thermometer (THP79JU Infrared ear thermometer or Convidien
Genius 2 Tethered Tympanic Thermometer or Exergen TemporalScanner Themometer)
to EAR mode and “℃”.
3. Install a new probe cover. Measure and record the target temperature of blackbody
with infrared ear thermometer and four-channel thermometer.
Flowmeter
Sampling line
T-shape connector
Cylinder
Relief value
Monitor
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