Description
Overview
GAOTek portable multi gas monitor – ≧ 10 h working continuously 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. 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 equipments.
Technical Specifications
| Gas sampling Method | Natural diffusion |
| Detecting Gas | Combustible gas, H2S, CO, O2 |
| Accuracy | ≦ ± 3 % F.S. |
| Response Time | ≦ 30 s |
| Indication | LCD displays real-time and system status; LED, audio and vibration alert for gas leakage, fault and low voltage. |
| Power Source | DC 3.7 V battery, 1800mAh |
| Charging Time | 4 h to 6 h |
| Working Time | ≧ 10 h continuously (without alarming) |
| Gas Sensor Life | 2 years |
| Explosion-Proof Grade | Ex ib IIBT4 Gb |
| Protection Grade | IP65 |
| Dimensions | 5.51 in x 2.51 in 1.33 in (14 cm ×6.4 cm ×3.4 cm) |
| Working Environment | – 4 °F to 122 °F (-20 °C to 50 °C),
< 95 % RH (no dew) |