LEL definition

LEL means the lowest concentration of combustible substance in air through which flame, once ignited, will continue to propagate (Lower Explosive Limit).
LEL means the lower explosive limit of the gas being transported.

Examples of LEL in a sentence

  • The gas monitoring results shall be reported as a percent of the lower explosive limit (LEL), calibrated to methane.

  • The Fire, H2S, and LEL detection systems will also initiate an ESD.

  • WARNING: Atmospheric vents will release process gases that contain H2S, LEL, and Benzene.

  • Any detection by any of these sensors at 20% LEL will initiate an audible alarm.

  • JH confirmed that previously no personal support had been permitted, but it had changed for LEL.


More Definitions of LEL

LEL means the same as “lower limit of flammability,” “lower end of the explosive range”, and other related terms in common technical discourse.
LEL means lower explosive limit of the gas being measured.
LEL means the lower explosive limit.
LEL means the Public Company LIETUVOS ELEKTRINĖ, legal entity code 110870933, VAT payer code LT108709314, registered office at Elektrinės g. 21, Elektrėnai, Republic of Lithuania.
LEL has the meaning assigned to it in Section 4.7.
LEL means the local exchange line from the Customer’s premises, which SPIRE takes over and operates instead of the AO. “Minimum Contract Term” means the initial minimum term stated overleaf and/ or in the Welcome Letter for the provision of Services and payment in respect thereof. Minimum Contract Value means the estimated monthly spend as shown overleaf which the Customer has agreed to spend with SPIRE for each month commencing from the Effective Date and for the duration of Minimum Contract Term.
LEL means lower explosive limit, measured as propane.‌