Oxygen Deficiency Monitors

Model 221R w/remote   Area safety – wall mount oxygen deficiency monitor   Oxygen deficiency monitor, 0.00-25.0% O2 CE marked, CSA approved Long life (10 year) ultra-stable zirconium oxide sensor in remotely mounted probe RS485 link between analyzer and probe for low interference Remote sensor option with digital communication Insensitive to barometric pressure or temperature changes – no false alarms AC power – 100-240V Internal battery backup Isolated 4-20mA output

Model 221R   Area safety - permanent mount oxygen deficiency monitor   Oxygen deficiency monitor, 0.00-25.0% O2 CE marked, CSA approved Long life (10 year) ultra-stable zirconium oxide sensor Remote sensor option with digital communication Insensitive to barometric pressure or temperature changes - no false alarms AC power - 100-240V Internal battery backup Isolated 4-20mA output