Sound Light and vibration alarm water-proof explosion-proof dust-proof
Sound Light and vibration alarm water-proof explosion-proof dust-proof
AI-4A Portable gas detector with a large LCD. It can monitor CO, H2S, O2 and combustible gas simultaneously. The instrument features two instant alarms with audio/visual and vibratory indicators, rechargeable battery, and simple use.
| Product type: | 4 in 1 Multi-gas detector |
| Operating & Storage Environment | Temperature: -20°C~55°C (-4F~122F) |
| Humidity: 5%-95% (Relative humidity non-condensing) | |
| Pressure: 95~110kPa | |
| Sampling method | Diffusion type |
| Detecting Range | CO: 0~1000ppm |
| H2S:0~100 PPM | |
| O2: 0~30%vol | |
| Combustible Explosive Gas (Ex / LEL / CH4): 0~100%LEL | |
| Sensor | O2 /H2S / CO: plug-in electrochemical sensor |
| Combustible gas (LEL): plug-in catalytic combustion sensor | |
| Alarm Type | low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm |
| Resolution | 0.1%VOL (O2), 1ppm (CO), 0.1ppm (H2S), 1%LEL (EX) |
| Accuracy | 3% F.S |
| Response time | 10s |
| Repeatability | 1% |
| Zero drift | 1% |
| Display | Alphanumeric large LCD displays the real time gas concentration and alarm stage |
| Backlight | Automatically activated when working in poor lighting environment or the alarm sounding or the button is knobbed down. |
| Self-checking Function | Self-checking Battery power, display, sensor, hardware failure |
| Explosion-proof | EXiaIICT4 |
| Protection grade | IP65 |
| Power Supply | Rechargeable lithium battery |
| Weight | 400g |
| Dimensions | 130mm*67mm*30mm |