Reading Correlations

100% LEL	Maximum Instrument Reading
50% LEL	1/2 Amount Needed to Ignite Natural or Propane Gas
20% LEL	Begin to Smell Gas Odorants
10,000 PPM	Begin to Smell Gas Odorants
500 PPM	Visible Bubbles from Leak Detection Solution
100 PPM	Strong Instrument Tick

Combustible Gas Detector

Direct PMM Readout 0-990 Direct LEL Readout 0-100%

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