PASPORT Light Sensor - PS-2106A



Measure in bright sunlight to dim candlelight, and everything in between! Our Light Sensor has three ranges to accommodate a wide variety of student light measurements. Switch ranges with the touch of a button and without losing calibration. No other Light Sensor combines such a wide range with such high-sensitivity.

  • Sensor communicates range changes to the computer, so readings are always correct.
  • Mounts easily to PASCO apparatus.

Typical Applications

  • Compare light intensity vs. distance
  • Study interference/diffraction/polarization
  • Measure relative light intensities in daylight
  • Compare relative intensity of reflected light from a variety of surfaces


Sensing Element
  • Si PIN photodiode
Spectral Response
  • 320 nm – 1100 nm
Measurement Options
  • 3 selectable ranges (labeled as Candle, Light Bulb and Sunlight)
  • 0.01% of selected range full scale
  • 0 to 2.6 Lux
  • 0 to 260 Lux
  • 0 to 26,000 Lux
Sample Rate
  • Default - 5 Hz
  • Maximum - 1000 Hz

Buying Guide

Interface Required

To use this product you need a PASCO interface. 

New to probeware or have questions about  sensors or interfaces? Contact Teacher and Technical Support.  We're here to help!

Software Required

SPARKvue software or PASCO Capstone software may be used. PASCO Capstone is available for Mac and Windows. SPARKvue is available for Mac, Windows, iOS, Android and Chromebooks.

Learn more about Bluetooth Compatibility.