Multi-Gas Monitor
| Model | MD-811 | ||
|---|---|---|---|
| Measuring Gas | Oxygen | Combustible Gases | Carbon monoxide |
| Measuring Principle | Galvanic cell | Catalytic combustion | Chronoamperometry |
| Measuring Range | 0 - 50.0 vol% | 0 - 100%LEL | 0 - 300ppm |
| Resolution | 0.1 vol% | 1%LEL | 1ppm |
| Accuracy | Within ±0.5 vol% at below 25.0 vol%/Within ±3.0 vol% at over 25.0 vol% | Within ±10%LEL at below 100%LEL | Within ±10ppm at 0 - 100ppm/±10% of indicated value at over 101ppm |
| Display Method | Digital liquid crystal | ||
| Alarm Setting | At below 18% | At over 20%LEL | At over 50ppm |
| Alarm Method | LED lamp, LED display and buzzer | ||
| Response Time | 90% of the response within 25 seconds (excluding gas inlet tube) | ||
| Power Source | 4 size D alkaline batteries/AC 100V (adaptor) | ||
| Continuous Operation | Up to 35 hours with alkaline batteries | ||
| Operating Temperature Range | Temperature : -10 - 40℃, Humidity : 30-80%RH (non condensing) | ||
| Dimensions | 230(W)×165(H)×130(D)mm | ||
| Weight | 2.8kg (including dry batteries and sensors) | ||
| Standard Accessories | Sampling tube (8m) with float-type sampler, leather case | ||
