221R : Oxygen Deficiency Monitors

Product Descriptions
– Waterproof enclosure may be washed down
– Provides a warning alarm at 19.5%Vol. / 20.0%Vol.
– Alarm set points set per OSHA standards
–  10 years expected sensor life
– Virtually unaffected by temperature change
– Battery backed up against poer failure
– 95dBA danger warning audible alarm
– Red backlit oxygen display
– Remote indication of readings and alarms
– UL 61010-1 approved and CE Marked for European use