Description
Overview
GAOTek NH3 meter with micro clip with a large LCD. The instrument with audio/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, so as to protect the workers’ life 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
Operating & Storage Environment | Temperature: -4 °F to 122 °F (-20 °C to 50 °C) Humidity: < 95 % (Relative humidity non-condensing) Pressure: 13.78 PSI to 15.95 PSI (0.9496 Bar to 1.0974 Bar) |
Sampling method | Diffusion type |
Detecting Range | NH3: 0 to 1000 PPM
0 to 2000 PPM |
Alarm Type | low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm |
Resolution | 1 PPM |
Sensor life | 2 years |
Accuracy | <5 % F. S |
Response time | < 30 s |
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 |
Dimensions | 4.49 in × 2.36 in × 1.02 in (114 mm x 60 mm x 26 mm) |