A catalytic-sensor (pellistor) detector for explosive concentrations of hydrocarbons and solvents, connected to DURGAS/EUROSONDELCO via an addressable RS485 interface.
Technical Specifications
| Technology | Catalytic sensor (pellistor) |
| Range | 0–100% LEL (lower explosive limit) |
| Gases (DURTEX HC) | Propane-butane, methane/natural gas, hydrogen |
| Gases (DURTEX HC PRO) | Extended list: hexane, heptane, pentane, toluene, benzene, acetone, ammonia, cyclohexane, ethanol, isopropanol, xylene, and more; a dedicated acetylene version is available |
| Power supply | DC 10–30 V, ~38 mA @ 24 V DC |
| Communication | RS485, addressable (DURGAS / EUROSONDELCO) |
| ATEX certificate (DURTEX-X) | LOM 08ATEX2059X |
| ATEX marking | II 2G Ex db IIC T6 Gb (gas) / Ex tb IIIC T85 °C Db (dust) |
| IP rating | IP65 |
| Temperature range | -20 … +70 °C |
| Dust version | Add a "t" after the "X" in the code for ATEX certification for combustible dust |
Key Features
- Factory calibrated — no recalibration required on installation
- HC PRO version resistant to silicone vapors (HMDS), including a sintered filter
- Optional programmable relay output module
- Optical fault indication
Applications
refineries
chemical industry
underground car parks
tunnels
hazardous zones