Extech Foot Candle Lux Meter – 401025

In stock

This light intensity meter measures the light level in both lux and foot-candle scales and can measure even in direct sunlight. With three different measurement ranges and fast or slow response.

Extech Foot Candle Lux Meter – 401025

Measures light intensity and includes analog output and fast/slow response feature


  • Accurately displays light level in terms of Fc or Lux over three ranges:
    • Fc (0-200, 0-2000 and 0-5000Fc)
    • Lux (0-2000, 0-20000, 0-50000Lux)
  • Select fast (1 second) or slow (2 seconds) response time
  • Resolution of 0.1Fc or 1Lux with 5% accuracy
  • Utilizes precision photo diode and color correction filter; Cosine/color corrected
  • Analog output of 1mV per count for capturing readings to a recorder
  • Comes complete with:
    • 9V battery
    • Light sensor with protective cover and 47” (1.2m) cable
    • Built-in stand

A Foot Candle/Lux Meter simply measures the intensity of light as perceived by the human eye. One lux is the equivalent of the amount of light by a full moon on a cloudless night, where direct sunlight is over 32,000 lux. One Foot-Candle, on the other hand, is about the same amount of light as is produced a foot away from a candle; two simple scales to measure the same thing-light intensity.

Light intensity is typically measured in office buildings, photography studios, schools, computer labs and anywhere that motion pictures are being recorded. Light intensity is very important for the proper development of pictures and film and it can even change people’s moods. Workers prefer a well-lit environment and work more efficiently if they aren’t straining their eyes to see a computer screen due to dim light.

This meter measures light intensity in both Foot-Candle and Lux. With three different ranges up to 50,000lux (5000Fc) this meter can be used even in direct sunlight. Featuring a light sensor with a 47” (1.2m) cable and a protective cover for safe storage and transport. This meter also features a selectable response time of either 1 or 2 seconds. The 401025 Foot-Candle Lux Meter User Manual is attached to this page to answer any additional questions.

Unit Ship Weight: 1.5 lbs

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