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- Digitally displays 4 elements simultaneously
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Auto span calibration of O2 sensor, auto zero adjustment of Combustible gas sensor , H2S sensor and CO sensor and battery capacity check when power is switched ON
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2 power system (Alkaline batteries and AC 100V)
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Average measurement is possible
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Trend analysis is available with a data logger function
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Model |
MD-940 |
| Measuring Gas |
Oxygen |
Combustible Gas |
Hydrogen sulphide |
Carbon monoxide |
| Measuring Principle |
Galvanic cell |
Catalytic combustion |
Chronoampetometry |
| Measuring Range |
0.0-50.0vol% |
0-100%LEL |
0.0-50.0ppm |
0-300ppm |
| Resolution |
0.1vol% |
1%LEL |
0.1ppm |
1ppm |
| Indication accuracy |
Within ±0.5vol% at below 25.0%vol
Within ±3.0vol% at over 25.1%vol |
Within 10%LEL |
Within ±1.5ppm at below 30ppm
Within ±3ppm at over 31ppm |
Within ±10ppm at below 100ppm
Within ±10% of indicated value at over 101ppm |
| Alarm concentration |
below 18%vol |
20%LEL |
10ppm |
50ppm |
| Alarm Method |
LCD display, LED Lamp and Buzzer |
| Response time |
Within 25 sec. at 90% response (excluding gas probe) |
| Power Source |
4 × "D" size Alkaline batteries or AC100V adaptor |
| Continuous Operation time |
Alkaline batteries : approx. 35 hrs |
| Operating Temperature Range |
-10-40℃ (Humidity:30-85%RH, no condensation) |
| Main body dimensions |
230 (W) X 165 (H) X 130 (D)mm (excluding handle) |
| Main body weight |
2.8kg (alkaline batteries and sensors inclusive) | |
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