CORRECTION FACTORS FOR COMBUSTIBLE GAS(LEL) SENSORS (FOR EMEA ONLY) Technical Note

2022-06-22
The LEL values are derived by experiment rather than by calculation. New experimental methods have been agreed upon and adopted, resulting in changes to some of the LEL values. The vast majority of these changes reduce the LEL value. The most noteworthy change is to the value for Methane (CH4), which has been decreased from 5%V/V to 4.4%V/V. These changes do not affect the LEL values used in the rest of the world, where the established figures continue to be used. CF (C orrection Factors) for our LEL catalytic sensor are relative to Methane, and therefore are affected by this regulation change.

Honeywell

COMBUSTIBLE GAS(LEL) SENSORS

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Application note & Design Guide

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2018/8/31

TN-205

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