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FAGUS-GRECON Greten GmbH & Co. KGHannoversche Straße 58
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Spark Detector DLD 1/8

Spark detection under daylight conditions

Technical Specification

Technical Specification

In a brief

Highly sensitive detector to detect sparks as well as hot and glowing particles in pneumatic and mechanical conveying facilities. Insensitive to daylight and artificial light.


Supply voltage range: 18 V to 22 V DC
Current drawn at 20 V: 10 mA ± 1 mA
Spectral response: 1650 nm to 3500 nm
Visual angle: 100°, can be limited by an optional slotted diaphragm, asymmetrically 100° / 11°
Temperature range, environment -40 °C to +70 °C
Ambient temperature: ex-free zone -40 °C to +60 °C ex-zone -20 °C to +60 °C
Ambient temperature in material flow: ≤ 70 °C
Temperature range, storage: -40 °C to +70 °C
Storage temperature: -20 °C to +60 °C
Relative humidity: 0 to 95 %, non-condensing
Transportation speed: 2 to 50 m/s (other speeds on demand)
Use: in non-explosive zones, in explosive zones (only DLD 1/8A Ex), in areas with daylight or artificial light
Connection: connecting terminals (max. 2.5 mm²)
Material of housing: Macrolon
Degree of protection: IP 65
Connection: pre-fitted connecting cable, pluggable: cable length 2.5 m (3 x 0.5 mm²) optionally 25 m (3 x 0.5 mm²)
Housing dimensions: 200 x 80 x 70 mm
Housing colour: grey
Weight: DLD 1/8A approx. 520 g, DLD 1/8A Ex approx. 650 g
Available mounting adapters: threaded adapter DLD Ex, welding adapter DLD Ex, air purge adapter, slotted diaphragm (option)

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. 

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