Enmet TDX Series Uživatelský manuál Strana 6

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ENMET Corporation TDX-Series
4
5.0 Calibration of the TDX-Series Unit5.0 Calibration of the TDX-Series Unit
5.1 Checking Channel Response to Gas
The TDX system is supplied precalibrated. After initial installation, the sensor should be checked with calibration/test
gas to confirm gas response. This test should be performed periodically (once every 3 – 4 months).
To check if the sensor requires calibration, introduce an appropriate calibration gas (gas of known concentration) to the
sensor. If there is a discrepancy of more than 10% between the voltage reading on the transmitter and the known
concentration of the gas, then the transmitter should be recalibrated.
Figure 3: Calibration Diagram
TDX-Transmitter
TDX-Sensor
Calibration
Adapter
Flexible
Tubing
Apply Calibration Gas
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