Model |
SDEXC-2200 |
Gas Detected |
Carbon Monoxide |
Detection Principle |
Electrochemical cell |
Sampling Method |
Diffusion |
Detection Range
(Service Range) |
0 to 300 ppm
(300 to 2,000 ppm) |
Resolution |
0-350ppm: 1ppm
350-2,000ppm: 50ppm |
Indication Accuracy*1 |
Within ±30% |
Alarm Set Value |
50ppm (first stage), 150ppm (second stage),
150ppm・h (time weighted average) |
Response Time*2 |
30s or less (90% of final reading) |
Display Mode |
LCD (Manual backlight) |
Alarm Mode |
Buzzer sounds, flashing red light, vibrator |
Approvals |
Ex ib IIB T3 (TIIS) |
Functions |
Remaining battery level, peak hold, peak value memory, readout
of time weighted average, alarm functions except gas alarm (time
weighted average value, sensor malfunction, remaining battery level,
zero-adjustment malfunction) |
Operation Temperature |
-10°C to +40 °C, 30 to 90 %RH (non-condensing) |
Operation Air Pressure |
Air pressure ±10% |
Power Source |
1 x AAA alkaline dry cell |
Battery Life*3 |
Up to 5000 hours (at 20°C with less than 20ppm) |
Dimensions |
W65 x H64 x D22 mm (excluding protrusions) |
Weight |
Approx. 75g (including battery) |
Standard Accessories |
1 x AAA alkaline dry cell, 1 x safety pin adaptor (with fixing screw) |
*1 Under identical measuring conditions.
*2 Operating at 20 ±2°C.
*3 Battery life may vary with ambient conditions, conditions of use, storage period, battery manufactures, etc.