Overview
Enviro Test Construct ammonia gas detector for oil wells is a fixed gas detector installed in a place where potential gas hazard exists to measure oxygen, toxic gas and combustible gas. With ATEX approval, it is suitable for explosive environment use. It communicates with the control panel through 4 to 20 mA analog output or RS485 digital signal.
Features
- ATEX approved
- 4 to 20 mA analog or RS485 digital output
- 2 relay output for 4 to 20 mA type
- Sensor module design, easy for replacement
Technical Specifications
| Mounting Type | Wall mounted |
| Working Humidity | <= 95% RH(no condensation) |
| Operation Voltage | 24 VDC + or – 25% |
| Consumption | < 2 W |
| Ingress Protection | IP65 |
| Housing Material | Chamber: Aluminum alloy Sensor cover: Stainless steel |
| Aproval | II 2G Ex db IIC T6 Gb |
| Measuring Type | Diffuse naturally |
| Response Time | Toxic gas and O2: T <= 60 s; Combustible: T <=30 s |
| Signal Output | 4 to 20 mA or RS485 |
| Alarm Output Signal | 2 programmable relays for 4 to 20 mA type |
| Conduit Connection | G 1 or 2” |
| Cable Or Distance | 4 to 20 mA type: 1.5 mm2, 3 wire, shielded, 1000 m (maximun); RS485 type: 1.5 mm3, 4 wire, shielded, 1000 m (maximun) |
| Working Temperature | Toxic gas: -4 °F to 122 °F (-20 °C to 50 °C) |
| Dimmension | 7.71 in x 7.32 in x 2.69 in (196 mm x 186 mm x 68.5 mm) |
| Weight | 2.64 Ib (1.2 Kg) |
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