Sensing and Datalogging for Science Education

Sciencescope

Last updated  11th March 2010                   Sensors           Logbooks           UK PriceLists          Investigations         2010 Catalogue

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Light (Advanced) Sensor

We produce 2 different Light Sensors

  1. Light - Advanced (shown right)- which has 2 ranges, fast and slow, is described below.

  2. Light - General Purpose - Described HERE.

Our light sensors use a logarithmic response to measure accurately from very low light levels (less than 1 lux) to full sunlight. 

  1. Logger compatibility :ScienceScope Type 1 (Click for details)

  2. both ranges measure from 0-110,000lux.

  3. both ranges resolution better than ±1.5% of reading

  4. "Fast" light sensor range, for physics investigations. This range has rapid response time, suitable for measuring e.g. fluctuations in light output from a mains-powered lamp. Maximum recording frequency with Datadisc is 50 microseconds.

  5. "Slow" light sensor range, for general use. This range has a slow response to light changes which makes it ideal for measuring ambient light levels without interference from the flicker of mains powered lamp, suitable for measuring changes in turbidity of a yeast culture, for example. Maximum recording frequency with Datadisc is 1 second

Typical Investigations

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Photosynthesis

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Chemiluminescence of Luminol

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Sodium Thiosulphate and hydrochloric acid

 
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