To protect the worker from injury by oxygen deficiency, the oxygen concentration in the air must be monitored. The pocket sized
OPA-5000E O2 Monitor can be carried as a personal monitor or used to measure remotely with the optional extension cord and adapter.


Model OPA-5000E
Sampling Diffusion type
Measuring Gas Oxygen
Measuring Principle Galvanic cell
Measuring Range 0 to 50.0%
Resolution 0.1%
Display Method Digital display by LCD
Alarm Setting 18.0% or less
Alarm Method LCD display(AL1), LED Lamp, Buzzer and Vibration
Explosion proof ExiaII CT4X
Power Source "AA" size Alkaline batteries X 3
Continuous Operation Alkaline batteries : approx. 1000 hrs
Operating Temperature Range -10 to 40 ℃
Dimensions 105 (W) X 56 (H) X 29 (D)mm (excluding a sensor)
Weight Approx. 150 g (including batteries)
Standard Accessories Carrying case attached in a waist band
Remote Measurement (optional) Sensor cord assembly (5m), adapter assembly