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CEILING LIGHT SENSOR

LDF

Light sensor for ceiling installation. With straight and diagonal prism for light control. Designed for connection to control and display systems. The sensors have an integrated colour filter (green filter) which is adapted to the sensitivity of human eyes.

Sensor

BPW21

Measuring range

2kLux, 20kLux (adjustable via internal DIP-switch))

Output

0-10V, 4-20mA or LON (FTT10A)

Power supply

  • 4-20mA: 15-24V DC (±10%)
  • 0-10V/LON: 15-24V DC (±10%) or 24V AC (±10%)

Prism

  • Straight (with predominant rate of indoor light)
  • diagonal (with predominant rate of outdoor light)

Download the specification in Pdf format here     Download

LDF - Ceiling Light Sensor