RKI S2 Series Diffusion Sensor / Transmitter With CT-7 Toxic Sensor Non Explosion Proof, OK for Class I, Division 2 Sensor Description:Ammonia (NH3) 0-100 ppm PART# 65-2341-NH3-1 RKI H2S 20 ppm /

RKI H2S 20 ppm / 50% LEL Propane in N2 58AL Calibration Cylinders Part# 81-9027RK-02

Standard Measuring Range:  5 to 60 ppm

60VA AC 240V: Approx

it features a single-assembly first-stage regulator and cylinder valve

activating a loud buzzer and a light

RKI S2 Series Diffusion Sensor / Transmitter With CT-7 Toxic Sensor Non Explosion Proof, OK for Class I, Division 2 Sensor Description:Ammonia (NH3) 0-100 ppm PART# 65-2341-NH3-1 RKI H2S 20 ppm /RKI S2 Series Diffusion Sensor Transmitter With CT 7 Toxic Sensor Non Explosion Proof, OK for Class I, Division 2 The RKI S2 series gas sensor transmitters are highly reliable and very cost effective for the detection of common gas hazards. The S2 series are available for LEL, H2 Specific (LEL, and ppm), Oxygen, H2S, CO, and for a variety of toxic gases. The transmitters for LEL, H2 Specific, Oxygen, H2S, CO2, and Carbon Monoxide are explosion proof