Description
Overview
GAOTek waterproof (NO) meter is a maintenance free single gas. It provides up to 2 years of protection – no calibration, no sensor replacement, no battery replacement, or battery charging required.
Features
- Maintenance free: Just turn on the device and it can run continuously
- Automatic Self check function to improve safety
- Ultra-high buzzer alarm sound, 2 bright red LED for LOW and HIGH alarms
- High alarm, low alarm, TWA, STEL
- Multiple alarm types, allowing users to adjust alarm
- Automatically record 10 recent alarm events for easy and accurate record keeping
- Protection level IP66/IP68
- Compact and lightweight design, two-button operation
- Economical and low cost, small size, light weight, and easy to carry
- The shell is designed specifically for various harsh environments, making it
- Low power and long standby, with a standby time of up to 2 years
Technical Specifications
| Sampling Method | Diffusion type |
| Gas Type | NO |
| Measure Range | 0 PPM to 20 PPM, 50 PPM, 100 PPM, 250 PPM |
| Resolution | 0.01 PPM, 0.1 PPM |
| Sensor Principle | Electrochemical principle |
| Response Time | ≤ 30 seconds |
| Accuracy | ≤ ± 3 % FS or ± 10 % |
| Measure Unit | PPM, mg/m3, % VOL μ Mol/mol |
| Display | gas name, concentration unit, measured value, electrical quantity |
| Alarm | sound, light, vibration alarm, and high and low alarm values can be set |
| Battery | 3.6 V dry battery (non-rechargeable) |
| Explosion-Proof Grade | ExiaIICT4Ga |
| Protection Grade | IP66/IP68 |
| Working Temperature | – 4 °F to 131 °F (- 20 ºC to 55 ºC) |
| Humidity | 0 % RH to 95 % RH (no condensation) |
| Environmental Pressure | 12.47 psi to 15.37 psi (86 Kpa to 106 Kpa) |
| Size | 3.5 in x 2.3 in x 1.2 in (90 mm x 60 mm x 33 mm) |
| Weight | 0.27 lb (0.125 kg) |