Sensepoint XCD RFD Technical Manual SPXCDHMRFENU Issue 1
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4.2.1 705 LEL Flammable gas sensors (cCSAus Approved)
Standard LEL version
The standard LEL sensor is available for use in temperatures up to 80°C (remote mounting
only) and detects gas concentrations up to 100% LEL of a target gas with a resolution in
the region of 1% LEL, depending on the gas being detected. The sensor is available with
¾”NPT thread only. The standard 705 is both CSA and UL approved.
High Temperature LEL version
The high temperature version(UL approved) is available for use in temperatures up to
150°C (remote mounting only) and detects gas concentrations up to 100% LEL of a target
gas with a resolution in the region of 1% LEL, depending on the gas being detected. The
sensor is available with ¾”NPT thread only. The 705 HT is UL approved only.
Details for connecting these sensors with the Sensepoint XCD RFD transmitter are
provided in sections 5 and 6. For more sensor specific details, refer to the Technical
Handbook Part No. 2106M0502 or their individual manual (705 Combustible Gas Sensor
Operating Instructions Part No: 00705M5002)
705 Standard LEL version 705 High Temperature LEL version
705 LEL ammable sensors