RKI Instruments HS-O4 Single Gas Monitor, Hydrogen Sulfide 0-200 ppm, 73-0063 Emergency Stop Button Each pack includes 5 105-204G

Each pack includes 5 105-204G brass Horizontal Swing Check Valves

Pressure Flow: 135-385 CFM

Precisely Machined Pistons and Pinions

4X VB series actuator

RKI Instruments HS-O4 Single Gas Monitor, Hydrogen Sulfide 0-200 ppm, 73-0063 Emergency Stop Button Each pack includes 5 105-204GRKI Instruments HS 04, Hydrogen Sulfide (H2S) 0 200 ppm, alkaline batteries and alligator clip The 04 Series single gas monitor is designed to operate for many years with field replaceable sensors and filters. The 04 Series can be operated continuously for up to 9,000 hours on (2) AAA size alkaline batteries (depending on model). The 04 Series has 3 preset alarms that are user adjustable. Each version is also equipped with visual, audible, and