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Connects directly to your devices via Bluetooth® and covers a wide range of applications.

This is the most versatile and most cost effective light sensor we’ve ever produced with a variety of measurements for the science classroom that is unmatched.

The Wireless Light Sensor features two separate apertures – one for ambient measurements and one for directional light measurements.

The ambient sensor measures illuminance, UVA, UVB and UV Index. The spot aperture measures light level and has color detection with channels for the relative intensity of Red, Green, Blue light and theability to sum them for the level of White light.

In addition PAR and irradiance are available as calculated measurements in PASCO Capstone (version 1.8 or later) and SPARKvue (version 2.6 or later) software.

Note:  The Wireless Light Sensor is not recommended for diffraction studies using our Optics Systems.  For that we recommend our PASPORT High Sensitivity Light Sensor or ScienceWorkshop Light Sensor.

Typical Applications

Light measurements are key to the study of solar energy, modeling planetary motion, polarization, reflectivity and the inverse square law.

  • Studying solar energy
  • Monitoring UV light levels and ways to limit exposure.
  • Reflection, absorption and transmission of light through clear, opaque and different colored translucent mediums.
  • Investigating polarization and reflectivity
  • Modeling planetary motion
  • Verifying the inverse square law

Special Features

  • No interface needed! Connects directly to your computers, Chromebooks, tablets and smartphones.
  • Simplicity: just pair and go, no cables and adapters to manage
  • On board memory that allows the sensor to function as an independent datalogger.
  • Variable sampling rate for capturing small fast changes or experiments that run for hours, days, or weeks.
  • Features convenient Bluetooth wireless connectivity and long-lasting coin cell battery

Bluetooth 4 Connectivity

Required Software:

PASCO products that use Bluetooth® 4 technology – wireless sensors, smart carts, and the AirLink Interface – require the latest versions of our software. PASCO Capstone 1.9.1 is available for Mac and Windows. SPARKvue 2.7.0 is available for Mac, Windows, iOS, Android and Chromebooks.

Compatibility/System requirements

Any current model Mac, iPad, iPhone, Android tablet or Android phone will support direct connection to PASCO Bluetooth 4 devices.

Windows computers/tablets, Chromebooks and older Macs currently require the PS-3500 USB Bluetooth 4.0 Adapter to connect to PASCO’s Bluetooth 4 devices.

Full compatibility details are available, including compatibility information for older computing devices.


Independent datalogging

Long term data collection directly on the sensor

In logging mode wireless sensors collect data to their onboard memory for hours, days, weeks or even months at a time without needing to be connected to a computer, tablet, Chromebook or smartphone.

When the experiment is concluded, simply connect the sensor to a device running PASCO software and download all the measurements it recorded.



  • Learn about the capabilities of the PASCO Wireless Light Sensor. We first use its ambient sensor to investigate the UV light-blocking capabilities of eyeglasses, and then we explore the reflection of light from different color surfaces.

  • How does light intensity decrease the farther you get from a light source? We gather data to model this using a point-like light source and the PASCO Wireless Light Sensor.

  • See how easy it is to connect PASCO’s new line of wireless sensors to SPARKvue for quick and affordable measurements in the science classroom.

  • Dispel misconceptions and explore the reason for the seasons through a simple modeling activity using the Wireless Light Sensor a globe and SPARKvue software.

  • Quick preview of PASCO’s SPARKvue software for data collection and analysis in the science classroom.Demonstrates the following features:
    – new Home screen layout of SPARKvue 2.4
    – pairing a PASCO Wireless Sensor in-app
    – recording temperature data and displaying it in graph, digits, table, and meter displaysSPARKvue is available for iPads, iPhones, Android tablets, Android phones, Chromebooks, Windows, and Macintosh.


Sensing Element
  • Dual 5 channel radial photodiodes
Spectral Response
  • Approximately 300 nm to 1100 nm
Measurement Options
  • Light intensity, RGB, UVA, UVB, and UV index.
  • Approximately 0 – 130,000 lux
Sample rate
  • Ambient:
    Default: 1 Hz
  • Ambient:
    Maximum: 2 Hz
  • Spot:
    Default: 5 Hz
  • Spot:
    Maximum: 20 Hz
  • Yes
  • Coin Cell
  • Expected Battery Life > 1 year
  • Bluetooth® Smart
Max wireless range
  • 30 m (unobstructed)


Product Manuals