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Free Spectrometry Software

Download the software or app or update to the latest version.

Built from the ground up to be the most effective tool for all of your spectrometry needs.

FREE download for Windows® and Mac® computers and free apps for iPad® and Android™ tablets.

The Spectrometry application provides support for experiments including, analysis of emission spectra, absorbance spectra of colored solutions and plant pigments, Beer’s law determination of unknown concentrations, and kinetics experiments. The learner-centered interface makes it easy for all levels of students and teachers to integrate spectrometry into the teaching and learning of physics, chemistry and biology.

Spectrometry screenshot

Windows Download

  • Filename: Spectrometry-2.2.1.2.exe
  • Filesize:   104 MB
  • Version: 2.2.1

Mac Download

  • Filename:Spectrometry_Mac-2.2.1.2.dmg
  • Filesize:  23.3 MB
  • Version: 2.2.1

Free app for iPads and Android Tablets

The free apps may be downloaded directly from the App Store or Google Play respectively and update notifications will be sent directly to your device.

iPad app

Android App

Using Chromebooks?

Google has begun allowing Android apps (including our Spectrometry application) to run on a select (and growing) list of Chromebooks.

To see if your Chromebook is compatible and learn how to install the application on Chromebooks, please visit this page:

Spectrometry for Chromebooks

About this Download

This software allows students to measure intensity, absorbance, transmittance and fluorescence using either the PASCO Wireless Spectrometer or the legacy Amadeus or Red Tide spectrometers from Ocean Optics and supports both USB and BlueTooth™ connectivity.

Current Version:

Version 2.2.1 was released on 1/17/2019. It is a hotfix release that fixed an issue where Spectrometry showed clipped absorbance data when connected via USB but not when connected via Bluetooth. It also fixed an issue with Chrome OS v71 that caused Spectrometry to crash when a device was paired but not connected. Other known issues were fixed as well.

Read the full release notes

Previous Versions:

Version 2.2.0 was released on 11/14/2018. It is a maintenance release that resolved multiple issues on Mac Mojave and fixes other known issues as well

Read the full release notes

Version 2.1.0 was released on 6/26/2018. It is a feature release that provides support for the SPARK LX and SPARK LXi dataloggers, initializes the language to the system language on the first run and resolves some known issues.

Read the full release notes

Version 2.0.1 was released on 10/19/2017. It is a maintenance release to fix specific issues.

Read the full release notes

Version 2.0.0 was released on 10/12/2017. It was a feature release that added the following new features:

  • Direct Wave Length Entry and Real-Time Digital Readout. Together these new features give the Wireless Spectrometer the same behavior as the Spectronic 20 while providing lots of additional features and functionality as well.
  • Upgraded user interface, including improved top navigation and new toolbar icons.
  • Support on select Chromebooks (see below for details)

Read the full release notes

System Requirements

To run the latest version of Spectrometry

Windows Mac
Windows 7 or higher (32-bit or 64-bit) Mac OS X v 10.7 or later
1 GHz Processor An Intel Core 2 Duo, Core i3, Core i5, Core i7 or Xeon Processor
Graphics card with OpenGL 2.0 Support Graphics card with OpenGL 2.0 Support
100 MB available disk space 50 MB available disk space

1024 x 768 or greater resolution

1024 x 768 or greater resolution

User Guide

Download the User Guide for Spectrometry Software.


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  • A big thanks for all the help and support you provided – I want to take some time to say a big thanks for all the help and support you provided me to select the best equipment in order to make the best possible use of the funds available. It is really exceptional that you happily connected with me multiple times even during the weekend and was always motivated to help. Please accept my big thanks for this.

    Gurpreet Sidhu | Physics Instructor | University College of North | The Pas, MB

  • Wireless Spectrometer Big Hit With Students – PASCO’s wireless spectrometer has been utilized very well by our earth science and physical science teachers. It’s an excellent piece of equipment and we have very much enjoyed its addition to enriching our classroom. It definitely brings students to a higher level of understanding wave interaction at a molecular level.

    Matt Tumbach | Secondary Instructional Technology Leader | Tommy Douglas Collegiate | Saskatoon, SK

  • Excellent Smart Cart – I thought the cart was excellent. The quick sampling rate for force will be very useful for momentum and collision labs we do. I’m recommending we include this in our order for next school year.

    Reed Jeffrey | Science Department Head | Upper Canada College | Toronto ON

  • Your lab equipment is of the highest quality and technical support is always there to help. During the 25 years we have used a wide array of lab equipment including computer interfacing. Your Pasco line has a high profile in our lab and will continue to do so far into the future.

    Bob Chin | Lab Technician | Kwantlen Polytechnic University | Surrey, BC

  • Datalogging Activities are Cross-Curricular

    Throughout the province of Nova Scotia, PASCO’s probeware technology has been merged with the rollout of the new P-6 curriculum. We chose a number of sensors for use with our project-based activities. Both the functionality and mobility of PASCO’s dataloggers enable students to collect authentic, real-world data, test their hypotheses and build knowledge.

    What we find important to a successful implementation and adoption by teachers is showing that the probes are not a ‘standalone technology’. The datalogging activities are very cross-curricular and can incorporate math, english, science, and geography outcomes.

    We are excited to learn more about PASCO’s new weather sensor because our students enjoy projects where they can share and compare their data with weather stations from around the world and be part of a global community.

    Mark Richards | Technology Integration Consultant | Annapolis Valley R.S.B. | Nova Scotia

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