RKI Instruments HS-O4 Single Gas Monitor, Hydrogen Sulfide 0-200 ppm, 73-0063 Vacuum Gauges Butterfly valves permit flow in

Butterfly valves permit flow in one direction only

These housings offer an economical solution where protection of downstream or point of use equipment is required

150 WOG Carton of 15

ABS housing provides excellent ESD protection

Instant-ON ozone production -- no warm-up time

RKI Instruments HS-O4 Single Gas Monitor, Hydrogen Sulfide 0-200 ppm, 73-0063 Vacuum Gauges Butterfly valves permit flow inRKI 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