Enmet TDX Series Manuale Utente Scaricare il pdf (Pagina 6)

ENMET Corporation TDX-Series

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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Enmet TDX Series Manuale Utente Pagina 6