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Spark Detector DLD 1/8

Spark Detector under Daylight conditions

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.


Specifications

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 °F to +158 °F [-40 °C to +70 °C]
Ambient temperature: ex-free zone -40 °F to +140 °F [-40 °C to +60 °C] ex-zone -4 °F to +140 °F [-20 °C to +60 °C]
Ambient temperature in material flow: ≤ 158 °F [70 °C]
Temperature range, storage: -40 °F to +158 °F [-40 °C to +70 °C]
Storage temperature: -4 °F to +140 °F [-20 °C to +60 °C]
Relative 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 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: 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: 7.8 x 3.14 x 2.75 in[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.