Products > Gasenz Ambient Oxygen Monitor


The Gasenz ambient oxygen monitor is designed for the monitoring of oxygen deficient atmospheres in any work area where the risk of asphyxiation may occur due to the presence of gases like nitrogen or carbon dioxide. This compact and rugged % zirconia oxide or electrochemical sensor oxygen monitor is perfectly suited for personnel protection in the gas generation industry and in hypoxic fire prevention systems.

  • Long life, low maintenance zirconia or electrochemical sensor technology
  • Measurement range: 0 to 25% O2
  • Compact ambient oxygen monitor
  • Audio/ visual alarm indicator
  • LCD + 4 button multifunction keypad
  • Simple Installation (only power lead required)

More details


Technical Specifications
Measurement Technology Zirconia (ZR) Electrochemical (EC)
Measurement Range 0 to 25%
Output resolution ( for %) 0.01%
Accuracy ±1% of range
Response time (T90) <10 seconds
LDL (Sensitivity) 0.01%
Temperature range -20˚C to +50˚C 0˚C to +45˚C
Pressure range 900 to 1100 mBarabs
Linearity 1% of range
Life expectation 3-5 years 1 year
Humidity 0-95% RH non-condensing
Shelf life No shelf life Up to 6 months
Electrical Input / Output
Power supply 100-240 VAC 24 VDC
Power consumption Maximum load 160mA
Signal output 4-20mA current loop powered
Digital communications RS232
Digital output options 1 off relay, dry contact 5 Amp rated (2 relay outputs assigned to control light tower indicator)
Display format % O2
Mechanical Specifications
Dimensions 145mm (h) x 110mm (w) x 93mm (d) incl. cable glands
Weight Approx 250g
Wetted materials Stainless steel
Mounting Wall
Ingress protection IP65 enclosure
Housing material ABS
Certification Complies with EMC Directive 2004 / 108 / EC. UL/ETL Certification Number: UL-61010-1