the LEL sensors are generally explosion-proof with flame arrestors and approved for use in classified hazardous areas (Class 1
according to the EN 531 standard (which has been superseded by the ISO EN 16112)
Mustang Survival MV807002 $104
Part Number: A02CRC24X48
RKI Instruments 66-6304-30-W AirLink T3A sensor/transmitter with j-box Explosion Proof high heat sleeves the LEL sensors are generallyRKI Instruments 66 6304 30 W $4,299. 97 Save money NO state or local sales tax, free shipping. AirLink T3A sensor transmitter with j box Explosion Proof Hydrogen Chloride (HCl), 0 30 ppm with 900 MHz radio AirLink T3A Wireless Transmitter, Wire Powered, Explosion Proof, No Relays Explosion Proof, Class I, Division 1 for CO, H2S, O2, LEL, & CO2 Class I, Division 2 for all other gases 12 35 VDC wire powered Add R and $279 to add 2 relays Add Y for 2. 4