Portable Gas Detectors

Personal Oxygen Monitor XO-2200


  • For safety check by wearing in tank, manhole, tunnel construction, hold and bottom etc.
  • For safety of site workers.


  • Can be used continuously for 5000 hours.
  • Available with loud buzzer, alarm lamp from 4 dimensions, peak hold function.
  • Thin, lightweight design.


Model XO-2200
Gas Detected Oxygen
Detection Principle Galvanic cell
Sampling Method Diffusion
Detection Range

(Service Range)

0 to 25 vol%

(25 to 50 vol%)

Resolution 0.1vol%
Indication Accuracy*1 Within ±0.5vol%
Alarm Set Value 1st stage: 19.5vol%
2nd stage: 18.0vol%
Response Time*2 20s or less
Display Mode LCD (Manual backlight)
Alarm Mode Buzzer sounds, flashing red light, vibrator
Approvals Ex ib IIB T3 (TIIS)
Function Remaining battery level, peak hold, memory of peak value,
alarm functions except gas alarm (sensor malfunction, remaining
battery level, air-adjustment malfunction)
Operation Temperature -10 to +40 °C, 30 to 90 %RH (non-condensing)
Operation Air Pressure Air pressure ±10%
Power Source 1 x AAA alkaline dry cell (LR 03)
Battery Life*3 Up to 5000 hours (at 20°C without alarm)
Dimensions W65 x H64 x D22 mm (excluding protrusions)
Weight Approx. 75g (including batteries)
Standard Accessories 1 x AAA alkaline dry cell, 1 x safety pin adaptor (with fixing screw)

*1 Under identical measuring conditions.

*2 Assuming 90% response and operating at 20 ±2°C.

*3 Battery life may vary with ambient conditions, conditions of use, storage period, battery manufactures, etc.




Type Approved by TIIS Explosion-proof certification

Selectable Gases


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