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Allison Engineering

Innovative Solutions for
Process Control

TDL – HF Gas Detection

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Multi-channel system

The MC series Multichannel system, comprises a 19″ rack mounted controller that house the TDL laser. An on board reference cell of the target gas is used to periodically check & if necessary calibrate the device without the need to remove the system & return to the factory. The laser light is directed to up to 8 field mounted transmitters using fibre optic cable. The light is transmitted across the area to be monitored & returns to the transmitted where the gas concentration is measured. This data is then transferred to the controller using a co-axial cable.

Key Features

Measurement range :  0.1 to 1000 ppm-m,

Path lengths up to 300 m,

“In-situ” calibration,

Low maintenance,

HF / H2S / CH4