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REPSS is your Quantitative Fit Testing headquarters.

We sell and support the AccuFIT9000™ Quantitative Fit Testing System

and all universal fit testing supplies from alcohol to disposable mask probing tools and push nuts!

Respirator Fit Testing

Downloads

Software download instructions:

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   Windows 10:

  1. Click on the appropriate link (go to “About your PC” to check if your computer is a 32-bit or 64-bit)

  2. When it downloads, right click the folder and choose Extract All > Extract

  3. Inside the extracted folder, double click the Setup (Windows Installer Package type) file - SetupE64.msi

  4. Go through the prompts

  5. Download is complete

​

   Windows 11:

  1. Click on the appropriate link (go to “About your PC” to check if your computer is a 32-bit or 64-bit)

  2. When it downloads, right click the folder and choose Extract All > Extract

  3. Inside the extracted folder, double click the Setup (Windows Installer Package type) file - SetupE64.msi

  4. You may have to click More Info and Run Anyway to proceed

  5. You may have to download .NET framework (instructions below)

  6. Go through the prompts

  7. Download is complete

​

   .NET framework:

  1. Go to "Control Panel"

  2. Select Programs > Programs and Features

  3. Click Turn Windows features on or off along the left side of the screen

  4. Check or Fill in the box for .NET 3.5 (includes .NET 2.0 and 3.0)

  5. Allow Windows to download the necessary files from Microsoft website

  6. Follow the install prompts (may take 5-10 minutes)

  7. Once complete, this will allow you proceed with installation of AccuFIT software

Driver download instructions:

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   Windows 10:

  1. Click on the above link

  2. When it downloads, right click the folder and choose Extract All > Extract

  3. Go to the extracted folder

  4. Double click and install "CP210xVCPInstaller_x64.exe"

  5. Go through the prompts

  6. Download is complete

​

   Windows 11:

  1. Click on the above link

  2. When it downloads, right click the folder and choose Extract All > Extract

  3. Go to the extracted folder

  4. Single click on the “silabser” (Setup Information type) file, then right-click on it and choose “Install”

  5. Go through the prompts

  6. Download is complete​​​​​​​​​​​​

Verify that everything is downloaded and working properly:

  1. Shut down, then reboot the AccuFIT

  2. Connect the AccuFIT with the USB cord (not the flash drive) to your computer

  3. After it is powered on, then open the software on your PC

  4. Go to Validation Check

  5. If you do not have a Database created, you’ll need to make a new one and load it

    • When you have completed this, you can proceed to Validation Check

  6. Look to see if the serial number shows up in the Serial Number field

    • This assures you that the AccuFIT and the computer are talking to each other

REPSS logo

REPSS, Inc.

1656 Townhurst Dr., Suite E

Houston, TX 77043

866.65.REPSS (866.657.3777)

©2025 by REPSS, Inc

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