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- 2-gas monitor, O2 and Combustible gases
- Delivers gas alarm and/or any trouble with loud sound(above 90dB/10cm)
- Large LCD display for easy reading
- Powerful suction pump, fast reponse time
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Model |
MD-620E |
| Measuring Gas |
Combustible gases in the air |
Oxygen in the air |
| Measuring Principle |
Catalytic combustion |
Galvanic cell |
| Sampling method |
Suction type Approx.0.6L/min (at room temperature with 5m gas sampling hose) |
| Measuring Range |
0 - 100%LEL |
0.0 - 50.0% |
| Resolution |
1%LEL |
0.1% |
| Indication accuracy |
Within ±10%LEL |
0.0 - 25.0 % : ±0.5%
Above 25.1% : ±3.0% |
| Alarm accuracy |
Within ±10%LEL |
±0.5vol% against alarm setting value 18.0vol% |
| Alarm concentration |
Factory default settings
AL1 : 20%LEL
AL2 : 0%LEL(alarm clear)
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Factory default settings
AL1 : 18.0%
AL2 : 0.0%(alarm clear) |
| Display |
Digital liquid crystal |
| Alarm Method |
LED lamp, LCD display and buzzer |
| Response Time |
Within 25 seconds at 90% response from sampling gas inlet at 20°C |
Within 15 seconds at 90% response from sampling gas inlet at 20°C |
| Pressure range |
80 - 110 kPa |
| Power Supply |
3 x size AA Alkaline dry batteries(LR6) |
| Continuous Operating time |
Approx. 8 hours, no alarm |
| Operating Temperature Range |
-10-40°C; below 95%RH (non-condensing) |
| 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(10m, 20m, 30m, polyurethane) | |
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