RKI Instruments Direct Connect Gas Sensors Sensor Option:LEL Hydrogen (H2), Explosion Proof J-Box) (no transmitter), UL Listed EN DR656: 5 HP Regenerative

EN DR656: 5 HP Regenerative blower

87 Inches x 13

5mm Microphone

SRP 4010 R DYNAMIC

which has good air permeability and waterproof

RKI Instruments Direct Connect Gas Sensors Sensor Option:LEL Hydrogen (H2), Explosion Proof J-Box) (no transmitter), UL Listed EN DR656: 5 HP RegenerativeRKI Instruments Direct Connect Gas Sensors The RKI Direct Connect series gas sensors are highly reliable and very cost effective for the detection of common gas hazards. The direct connect series are available for LEL, H2 Specific LEL, LEL IR, Oxygen, H2S, CO, CO2, and for a variety of toxic gases. The sensors for LEL, H2, Oxygen, H2S, CO2, and Carbon Monoxide are explosion proof with flame arrestors, and approved for use in hazardous areas (Class 1,