KOMYO RIKAGAKU KOGYO K.K. PRODUCT INFORMATION(Oxygen Concentration Monitor:For oxygen deficiency prevention, explosion-proof, suction type:OM-600E)
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Portable Gas Monitors
Oxygen Concentration Monitor
For prevention of oxygen deficiency, suction type
* OM-600E
  • Delivers gas alarm and/or any trouble with loud sound(above 90dB/10cm)
  • Large LCD display for easy reading
  • Delivers alarm with bright LED flickers,
    in operation(GREEN), alarm(RED), trouble(ORANGE)
  • Powerful suction pump, fast response time
  • Ex Explosionproof


Measuring Gas Oxygen in the air
Measuring Principle Galvanic cell
Sampling method Suction type
Approx. 0.6L/min(at room temperature with 5m gas sampling hose)
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%
Alarm accuracy ±0.5vol% against alarm setting value 18.0vol%
Alarm concentration Factory setting : ALM1 18.0vol%
Response Time Within 15 seconds at 90% response from sampling gas inlet at 20°C
Display LCD
Alarm Method LED lamp, LCD, buzzer
Explosion proof ExiaII CT4X
Operating Temperature Range -10-40°C; 30-85%RH (non-condensing)
Pressure range 80-110kPa
Power Supply 3 x AA size alkaline dry battery
Continuous Operating time Approx. 16 hrs, no alarm
Main body dimensions 78(W) x 200(H) x 50(D)mm
Main body weight Approx. 550g (including batteries)
Standard accessories Gas sampling hose with float type gas collector(5m, polyurethane), leather case, carrying case
Optional accessories Gas sampling hose with float type gas collector(polyurethane)in 10m, 20m or 30m, Assembly for O2 sensor replacement