Write us

Fagus GreCon, Inc.648 Griffith Rd. Suite A
Charlotte, NC 28217U.S.A.

To contact form

Contact persons

Spark Detector FM 3/8

Spark Detection in High Temperature or High Pressure areas

Technical Specification

In a brief

For high temperature or high pressure applications, the fiber optic cables carry the IR energy to three separate photo diodes within the sensor


Supply voltage range: 18 V to 22 V DC
Current drawan at 20 V: 10 mA ± 1 mA
Spectral sensitivity: 780 nm to 1100 nm
Temperature range, environment: -40 °F to +158 °F [-40 °C to +70 °C]
Ambient temperature in the material flow: up to 1112 °F [600 °C] at the lens
Relative atmospheric humidity: 0 to 95 %, non-condensing
Transportation speed: 6 to 164 ft/s [2 to 50 m/s] (other speeds on demand)
Use: in non-explosive areas, in areas without daylight and artificial light
Material of housing: aluminium die casting (GD-AlSi12)
Degree of protection: IP 65
Connection: ready-to-use connecting cable, cable length 8 ft [2.5 m] (3 x 0.5 mm²) optionally 82 ft [25 m] (3 x 0.5 mm²)
Housing dimensions: 3.3 x 3.3 x 1.2 in [84 x 84 x 31 mm]
Housing colour: red (RAL 3000), lacquered
Weight: 490 g (excluding connecting cable)
Available mounting adapters: Screw-in mounting adapter FM 3/8 Ex, Weld-on mounting adapter FM 3/8 Ex, Purge air adapter SPA and SPA Ex

Air purge adapter

If dirt accumulation or other build-up on the sensor optics is expected, special air purge adapters increase the detection reliability. Cleaning intervals are thus extended.