Ensure rapid and reliable fire detection in hazardous environments with the AW-FD708EX Explosion-Proof Three Infrared (IR3) Flame Detector. Utilizing advanced triple-infrared sensing technology, it delivers highly accurate flame detection with minimal false alarms, even in harsh industrial conditions. Built with robust explosion-proof construction for safe operation, it offers fast response, wide detection coverage, and dependable performance—making it an ideal solution for protecting critical assets and ensuring safety in oil & gas, petrochemical, and high-risk industrial applications.
The detector AW-FD708EX combines the three infrared band sensor and advanced flame analysis technology, to eliminate false alarm and improve detection range, and can apply to most commonplace (Pipeline, Electrostatic Paint, Printing, Warehousing and etc).
Features :
- Reliable fault diagnosis
- Built-in high-speed, low-power, high-performance 32-bit high-precision data processing chip；
- Adopt patented narrow band current infrared pyroelectric sensor；
- A small fire can be detected earlier；
- The perfect algorithm best combines flame detection and false alarm capabilities；
- The detector is suitable for a variety of fuels；
- It’s suitable for heavy industrial applications；
- It’s low maintenance cost and easy to update and improve.
Technical Specification
| Model | AW-FD708EX |
|---|---|
| Main Voltage | 18 to 30VDC Volts |
| Operating current (Relay Out) | Monitor: ≦25mA Alarm: ≦35mA |
| Operating current (Current Loop Out) | Monitor: ≦30mA Alarm: ≦45mA |
| Maximum Detection Angle and Range | 90° 40m |
| Relay Output | Fault, Fire Alarm |
| Current Loop Out | Fault: ≦2mA Normal:5mA Alarm:15mA |
| Spectral range | IR:3.8~5.0μM |
| Explosion-proof certification | ExdⅡC T6 Gb/tD A21 IP66/IP67 T80℃ |
| Protection class | IP66 IP67 |
| Indicator light | Three (Fire,Fault,Normal) |
| Reset method | Power off reset, Communication protocol reset, Remotecontrol reset |
| Environmental | Temperature range: -40 to 85°C Humidity: 0 to 96% RH, non-condensing can with stand 100% condensation humidity for a short time |
| Materials and colors | Cast aluminum, baking varnish on the surface (thecoating with insulating layer), Red |
| Electrical Interface | 1 × 3/4NPT 、 M25*1.5 、G3/4 (Adapters can be customized according to requirements) |
| Size | 120mm* 95mm* 85mm |
| Weight | about 0.7kg |
Performance
| Detection Range | Fire Source and Size | Details | |
|---|---|---|---|
| Maximum Distance | N-Heptane | 0.3x0.3m | 40m |
| Maximum Distance | Gasoline | 0.3x0.3m | 35m |
| Maximum Distance | Diesel | 0.3x0.3m | 35m |
| Maximum Distance | Alcohol | 0.3x0.3m | 30m |
| Maximum Distance | Kerosene | 0.3x0.3m | 35m |
| Maximum Distance | Methane | 0.5x0.2m | 30m |
| Maximum Distance | Paper | 0.3x0.3m | 30m |
| Respond Time | N-Heptane | <10s | |