Description
Overview
GAOTek portable NH3 gas detector has a large LCD. The instrument with audio or visual and vibratory indicators, rechargeable battery, and simple use. It is widely used in the area where explosion-proof is required or toxic gas leaks, like underground channels or mining industry, to protect the workers’ lives and avoid damage on the relevant equipment.
Features
- Advanced MCU control with low power consumption
- Advanced integrated circuit technology, embedded microcomputer control
- Adjustable low and high alarm level
- Adjustable calibrating level
- High concentration protection
- Self-test for the single gas sensor
- Low battery indication
- Self-adjustment function
- Visual and audible alarm with vibration
- Advanced self-examination and self-renovation function
- Password management to avoid wrong operation
- Explosive proof housing
Technical Specifications
| Sampling Method | Diffusion type |
| Detecting Range | NH3: 0 PPM to 1000 PPM
0 PPM to 2000 PPM |
| Alarm Type | Low and high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm |
| Resolution | 1 PPM |
| Sensor Life | 2 years |
| Accuracy | < 5% FS |
| Response Time | < 30 s |
| Repeatability | 1% |
| Zero Drift | 1% |
| Display | Alphanumeric large LCDs the real time gas concentration and alarm stage |
| Backlight | Automatically activated when working in a poor lighting environment or the alarm sounds, or the button is knobbed down. |
| Self-Checking Function | Self-checking Battery power, display, sensor, and hardware failure |
| Explosion-Proof | Exia II CT4 |
| Protection Grade | IP65 |
| Power Supply | Rechargeable lithium battery |
| Pressure | 95 kPa to 110 kPa |
| Humidity | < 95% (Relative humidity non-condensing) |
| Temperature | -4 °F to 122 °F (-20 °C to 50 °C) |
| Dimensions | 4.48 in x 2.36 in x 1.02 in (114 mm x 60 mm x 26 mm) |
| Weight | 3.3 lb (1.5 kg) |