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LL-P-V External Light Level Sensor
  • LL-P-V External Light Level Sensor

External Light Level Sensors

Quick Overview

The external light level sensors return a linear 0-10vDC signal representing the Lux level at the photo-diode cell based on the selectable Lux levels. The sensors are typically used to monitor external lighting levels to optimise energy efficiency through dimming and/or disabling lights as required. The LL-E-V is an external light level sensor with three different output ranges which can be selected using a link on the PCB. Selectable ranges are 10-2,000 and 10-10,000 Lux. The LL-E-V has two screw fixing holes for easy mounting and is IP65 rated when the snap shut lid is screwed down. Power supply is 24vAC/DC.
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The LL-P-V replaces the previous LL-E-V External Light Level Sensor, The new unit includes a black housing that is UV stablised PC/GF material.


  • External light level sensor
  • Two screw holes for easy mounting
  • Selectable 10-2,000 and 10-10,000 Lux ranges
  • 24vAC/DC supply
  • 0-10vDC output
  • Snap-fit cover with screw tight sealing


Sensor: Photo-diode
Accuracy: ±5% across range
Light Range (Switch Selectable): 10-2,000 Lux
10-10,000 Lux
Output: 0-10V
Power Supply: 24vAC/DC (±10%)
Operating Conditions: -10 to +50°C, 0-95%RH non-condensing
Housing Material: PC/GF (Halogen free, flame retardant & UV stabilised)
IP Rating: IP65

When fitting these units outside, please ensure the cable entry is at the bottom and that the cable has a rain loop to help prevent water ingress.

Availability: Stock Item


Components / Downloads

For further information, technical advice, or a quotation please call or email us. If you are not sure which product you need one of our technical sales advisors will be happy to discuss your application. We also accept company purchase orders by fax or post. Credit card orders can also be placed over the phone for any product.

External photo-diode type light level sensor. Accuracy ±5% across range. Selectable ranges: 10-2000 Lux and 10-10000 Lux, providing a respective 0-10V output. Housing: Material PC/GF (Halogen free, flame retardant & UV stalized), IP65. Ambient range: -10 to +50°C, 0-95% RH non-condensing. Power supply 24vDC.
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