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The LL27WF3 Infrared Illuminator from Pelco is designed to be used with low light level cameras with sensitivity in the IR spectrum (above 700 nm) for night-time surveillance when a minimum of visible illumination is required. An IR covert filter transmits approximately 0.01% of visible light. Automatic on/off operations are controlled by a photocell with a time delay feature, which prevents the unit from being switched off by a momentary beam of light such as that from a headlight. This rugged, weatherproof unit is equipped with a built-in sun visor, quick-release latches for ease of service, and a sturdy mounting cradle. The illuminator is equipped with a highly efficient PAR56 sealed-beam lamp, which provides an optimally uniform field of illumination, making the illuminator effective with short focal length lenses. To ensure longer bulb life, the model is equipped with a built-in blower.
230 VAC input
Automatic photocell on / off
Accepts readily available sealed-beam lamps
Narrow spot and medium / wide flood versions
Air-cooled for longer bulb life
In the Box
Pelco LL27WF3 Infrared Illuminator
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230 VAC, 50 Hz Input voltage on/off controlled by photocell
Supplied with a grounded power cord
1/3", 1/2", 2/3", 1"
Approximate Angle of View (H x V): 40 x 19° at 120' (36 m) (with IR sensitive camera)
CE compliant, UL Listed, Meets NEMA Type 3R standards
IR Cut Filter
Coated Pyrex, 0.190" (4.82 mm) thick, transmits approximately 0.01% of visible
≤1% at 715 nm and below
≤5% at 775 nm ±25 nm
Average ≥85% at 875 to 1200 nm