Gas Detectors
4-in-1 Gas Detector
Model：ST8904
Specifications
| Battery Life | 6hN/Aalarm |
| Charging Port | USB DC 5V |
| Response Time | <60s |
| Operating Temperature | -10~50°C |
| Operating Humidity | 15%RH~95%RH |
| Storage Temperature | 0~40°C |
| Net Weight | 360g |
| Dimensions | 75*138*43mm |
| Ex Certificate No. | CQC 26.0277X |
| Ex-marking | Ex ib IIC T4 Gb;Ex da ib IIB T4 Gb |
| Standard | GB/T 3836.1-2021；GB/T 3836.4-2021；GB 12358-2024 |
Part of the specification table has been translated. See the full parameter table on the Chinese page
