Description
Overview
GAOTek electrochemical oxygen gas detector could detect combustible gas, O2 and two other types of toxic gases continuously and simultaneously. It is widely used in the area where explosion proof is required or toxic gas leak like underground channels or mining industry, to protect the workers’ life and avoid damage to the relevant equipment.
Features
- Detects up to 4 gases
- Natural diffusion sampling method
- High sensitivity sensor and repeatability
- 32-bit built-in MCU
- High reliability and self-adaptability ability
- Full functions, effortless operation
- CSTN colorful LCD, more intuitionistic, abundant, and clear indication
- Compact design, easy to carry
- High-strength engineering plastic
- 500 pcs data records
Technical Specifications
| Accuracy | ≤±5% F.S. |
| Resolution | 0.1% Vol (O2), 1 ppm (CO), 0.1 ppm (H2S), 1% LEL (EX) |
| Indication | LCD display real-time and system status, LED, audio and vibration alert for gas leakage, fault, and low voltage |
| Sensor | Plug-in electrochemical sensor |
| Alarm type | Low and high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm |
| Response time | ≤30 s |
| Working time | ≥8 hrs continuously (without alarm) |
| Power source | DC 3.7 V Li-ion battery, 1800 mAh |
| Charging time | 6 hrs to 8 hrs |
| Self-checking function | Self-checking battery, display, sensor, and hardware failure |
| Gas sensor life | 2 years |
| Explosion-proof grade | ExiaIICT3 |
| Protection grade | IP 65 |
| Working humidity | <95% RH (no dew) |
| Working temperature | -4 °F to 122 °F (-20 °C to 50 °C) |
| Dimensions | 5.11 in x 2.63 in x 1.18 in (130 mm x 67 mm x 30 mm) |
| Weight | Approximately 0.88 lb (400 g) with battery |