Ruler app

Inspect samples with precise measurement tools



With the Ruler application that comes preinstalled with the TAGARNO FHD PRESTIGE and FHD TREND, you can quickly and accurately measure an object placed underneath the camera. Place the on-screen ruler vertically and/or horizontally according to the object and change the color of the ruler for optimal visibility.

Precision of ruler: 0.5 %.

NB: If you are experiencing inaccurate measurements, make sure to calibrate the Ruler application. 

Download calibration sheets:



  1. Precise measurement 
    Perform quick and accurate measurements of a product 

  2. Horizontal and/or vertical rulers 
    Choose between having a ruler displayed horizontally or vertically. You can also have both rulers visible at the same time 

  3. Select different colors
    Change the color of the ruler to increase visibility 



  1. Standalone microscope - No computer needed
    The application is installed directly on the microscope with no need for an external computer connected to the visual inspection microscope. All you need is a mouse, a control box and a monitor connected directly to your microscope and you are good to go!

  2. Precise and accurate measurements
    Get precise measurements with lens correction and various calibration methods. Accuracy of the TAGARNO Measurement Application can be as precise as ± 3 µm.

  3. User friendly interface
    Benefit from an easy to use and intuitive menu. Manage shortcuts, save templates and many other seamless options in a user friendly interface.

  4. Document your work
    Save your file in different formats, with out without graphics, on a USB or even directly on your computer via LAN. Sharing images and documentation materials with colleagues and supply chain partners have never been easier

  5. Quarterly updates
    Benefit from quarterly updates that gives you access to the newest features and ensures that your microscope it always up to date. It is also easy to purchase new applications that can help your inspection processes without having to change your microscope