Model |
SDE-2200 |
Gas Detected |
Oxygen (O2) |
Hydrogen Sulfide (H2S) |
Detection Principle |
Galvanic cell |
Electrochemical cell |
Sampling Method |
Diffusion |
Detection Range
(Service Range) |
0 to 25 vol%
(25 to 50 vol%) |
0 to 30.0 ppm
(30.1 to 100 ppm) |
Resolution |
0.1vol% |
0-35.0 ppm: 0.1ppm
35-100ppm: 5ppm |
Indication Accuracy*1 |
Within ±0.5vol%
±1 digit |
Within ±1.5ppm
±1 digit |
Alarm Set Value |
1st stage: 19.5vol%
2nd stage: 18.0vol% |
1st stage: 10.0ppm
2nd stage: 15.0ppm |
Response Time*2 |
20s or less |
30s 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), gas concentration indication |
Operation Temperature |
-10 to +40 °C, 30 to 85 %RH (non-condensing) |
Operation Air Pressure |
Air pressure ±10% |
Power Source |
1 x AAA alkaline dry cell (LR03) |
Battery Life*3 |
Up to 5,000 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.
oxygen【O2】, hydrogen sulfide【H2S】