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General| Type | TYPE A |
|---|---|
| Detectable gas | Oxygen |
| Measuring range | 0～40vol% (Resolution : 0.1vol%) |
| Indicate accuracy (under an identical condition) | Within ±0.7vol% |
| Response time (under an identical condition) | Within 20 seconds(T90) |
| Continuous operation time | About 5000 hours (no alarm・no light at 25℃) |
| Various functions | LCD backlight/Peak hold display |
| Detection principle | Galvanic cell |
| Detection method | Diffusion method |
| Low alarm | 18.0vol% |
| Low-Low alarm | 18.0vol% |
| Over alarm | 40.0vol% |
| Gas alarm action | Latching-mode |
| Trouble alarm・Self diagnosis | System failure/Sensor failure/Low battery/ Calibration error |
| Trouble alarm action | Latching mode |
| Operating temperature and humidity | -20～50℃, below 95%RH (non-condensing) |
| Operating pressure | Atmospheric pressure (80kPa～110kPa) |
| Various indications | Battery icon |
| Gas alarm indication | Flashing light/Intermittent buzzer/Gas reading flashes/ Vibration |
| Trouble alarm indication | Flashing light/Intermittent buzzer/Content display |
| Gas concentration display | LCD digital display |
| Power supply | Alkaline batteries (Size AA)×2 pcs. |
| Explosion-proof structure | Intrinsically safe |
| Explosion-proof grade | ExiaⅡCT3X (TIIS) |
Weight and Dimensions| Outer dimension and Weight | Approx. 66(W)×114(H)×33(D)mm（Projection excluding） Approx. 230g (Excluding clip) |
|---|
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