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Calibrating the tcGas Transducer 16 Monitoring tcGas
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Calibrating the tcGas Transducer
You can use either a Philips (15210B) or a Radiometer TCC3 calibration unit and a gas cylinder whose
pressure indicator is above the ‘out-of-gas’ zone (black on 15210B, red on TCC3). To maintain
accuracy, it is recommended to calibrate the transducer every four hours, even if the monitor does not
prompt you to do so. You MUST calibrate when:
• you remembrane the transducer
• you change the transducer heat setting
• you doubt the measurement accuracy
• you start a new monitoring period or use a new site
• the monitor displays the “calibration required” INOP message.
1 Connect the calibration unit to the inlet on the side of the module’s calibration chamber using the
recommended gas tubing. Different tubing will cause inaccurate measurements.
2 Plug the transducer cable into the module. Swing the calibration chamber cover open and insert
the transducer into the chamber. Close the cover to secure the transducer. Set the transducer
temperature at the monitor now.
3 On the 15210B calibration unit, turn the timer control clockwise as far as you can. On the
Radiometer calibration unit, press the button with the green arrow once.