Oxygen・Methane Monitor
| Model | MD-621E | |
|---|---|---|
| Measuring Gas | Combustible gas(Methane) 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) |
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 | |
| Explosion proof | ExiadII CT4X | |
| 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) | |
