KOMYO RIKAGAKU KOGYO K.K. PRODUCT INFORMATION(Oxygen Concentration Monitor:For oxygen deficiency prevention, explosion-proof:OMA-600E)
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Portable Gas Monitors
Oxygen Concentration Monitor
Model OMA-600E O2 Monitor
* OMA-600E
  • Compact, light and loud alarm
  • Large LCD display for easy reading
  • Delivers gas alarm with large red LED lamp
  • Sensor cord rolls up easily for storage
  • Marks on every 1 meter on sensor cord
  • Long operating hours


Measuring Gas Oxygen in the air
Measuring Principle Galvanic cell
Sampling method Diffusion type
Measuring Range 0.0-50.0vol%
Resolution 0.1vol%
Detectable accuracy Within ±0.5vol% O2 at 0.0-25.0vol%
Within ±3.0vol% O2 at over 25.1vol%
Display LCD
Alarm concentration Below 18.0vol%
Alarm Method LED lamp, LCD, buzzer(intermittent sound:over 100dB/10cm)
Explosion proof ExiaII CT4X
Response Time Within 15 seconds at 90% response
Power Supply 3 x AA size alkaline dry battery
Continuous Operating time Approx. 2000 hrs, no alarm
Operating Temperature Range -10-40°C; 30-85%RH (non-condensing)
Main body dimensions 160(W) x 178(H) x 65(D)mm
Main body weight Approx. 740g (including batteries and sensor cord)
Standard accessories 5m sensor cord, carrying case
Optional accessories Sensor cord in 10m, 20m or 30m, softcase