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How precise are the measurements of Dino-Lite? (Calibration and accuracy)

Measuring function

A majority of Dino-Lite microscopes and Dino-Eye cameras are equipped with 2-dimensional measurement features. These features are integrated in most USB models, while analog (TV) models do not offer such functions. The measurement functions are applied when the magnification rate is entered into the software (automatically for models with AMR) and the appropriate tool is selected in the software and applied to pixels. To increase accuracy, the arrow keys can be used to adjust lines by one pixel. Measurement tools include line, continuous line, fixed length line, edge detection line, point to line, polygon, circle, arc, angle, grid, and various others.

Measurement tips

The accuracy of the measurement is influenced by three factors: (1) the correct magnification, (2) the measurement setup, and (3) the handling.

  • Calibration methods

Setup tips: Choosing the appropriate background and lighting can improve contrast. It can be useful to choose a light or dark background that contrasts with your subject. Some Dino-Lite models allow you to adjust the exposure. Operation Notes: Use sufficient magnification to prevent the measured dimension from appearing too small on the preview screen. The lower the magnification, the greater the measurement error may be. Here you can see how the magnification ratio matches the field of view: Field of view gallery.

Accuracy

The magnification values printed on the Dino-Lite instrument serve only as reference points. For precise measurements, a calibration standard is included with each model with measurement functions. Before measurement, calibration should be performed in the software together with the calibration standard. The Dino-Lite is an inexpensive instrument with a wide range of functions for various applications. With correct calibration, the measurement results can often compete with those of precision measuring instruments.

Precision is dependent on several factors, including magnification, screen resolution, and proper calibration. Due to the variable magnification of Dino-Lite microscopes, the tolerance varies depending on the magnification applied. For example, a model with standard magnification set to 220x and a screen resolution of 1920x1080 can be expected to have an accuracy of 0.001 mm. When using a model with high magnification at 930x and the same screen resolution, an accuracy of 0.3 µm can be expected. Further examples of accuracy are shown in the following figures.

Schritt 1

Diese Position wird als Bezugsebene als 0 betrachtet.

Schritt 2

Um Tiefeninformationen zu erfassen, stellen Sie den Fokus neu ein, indem Sie: 

Klicken Sie mit der mittleren Maustaste (Mausradklick) auf einen interessanten Punkt, um den Autofokus zu aktivieren, und drehen Sie ggf. das Mausrad, um den Fokus neu einzustellen. 

oder 

Drücken Sie die Taste "Strg" und drehen Sie das Mausrad, um den Fokus manuell zu ändern. Die Tiefeninformation wird als Fokusverschiebung angezeigt.


Anmerkung:

Der Cursor zeigt an, dass der Refokus-Modus aktiv ist und dass der Fokus neu eingestellt werden kann. Eine positive Fokusverschiebung bezieht sich auf eine Ebene unterhalb der Referenzebene.

Schrit 3

So beenden Sie den Refocus-Modus Klicken Sie mit der linken Maustaste auf eine beliebige Stelle des Vorschaufensters oder drücken Sie die "ESC"-Taste.

Tiefenerfassung: Maximale Tiefenreichweite und Genauigkeit

Bei der Tiefenerfassung werden der maximale Tiefenbereich und die Toleranz durch die verwendete Vergrößerung bestimmt. Dieser Abschnitt zeigt die Variationen der maximalen Tiefe und der Toleranz bei verschiedenen Vergrößerungen der AM4917-Modelle. 

Maximaler Tiefenbereich 

Die maximal messbare Tiefe, die das Gerät erfassen kann, wird als maximaler Tiefenbereich bezeichnet. In der Regel gilt: Je höher die Vergrößerung, desto geringer der maximale Tiefenbereich und umgekehrt.

Toleranz

Die Toleranz ist die zulässige Abweichung bei der Tiefenerfassung. Je höher die Vergrößerung, desto geringer die Toleranz und umgekehrt.

AM4917MZT / AM73915MZT Fokusverschiebung

USB Mikroskope von Dino-Lite mit Tiefenmessung

AM4917MZTL USB Microscope
Are you looking for the right Dino-Lite microscope and need help? We are happy to be there for you! 📧 eMail: info@metav-werkzeuge.com, ☎️ Telefon: +49 2822 7131930, ✔️ WhatsApp: +49 170 2837271 Specifications (Specs) Article number: AM4917MZTL Brand: Dino-Lite Dino-Lite series: Dino-Lite Long Working Distance Type: Dino-Lite EDGE Plus Facts / Figures: Magnification: 10x~140x Number of LEDs: 8 Resolution: 1.3 Megapixel Connection: USB 2.0 Cable length: ~1.8m Resolution in Pixel: 1280x1024 Product Characteristics Casing material: Aluminium Light: weiß Calibration function Measuring function Interchangeable front caps Polarisation filter Long Working Distance (LWD) Extended Depth of Field (Fotostacking) Automatic Magnifiaction Readout Magnification Lock Microtouch Working Distance: Lang Norms: CE, FCC Extended Dynamik Range Made in Taiwan Manufacturer: AnMo Electronics Corporation; 17F-1, No. 97, Sec. 4, Chongxin Road, Sanchong Dist., New Taipei City 241513, Taiwan; Tel:+886-2-29749126; E-Mail:Sales@anmo.com.tw

€1,169.00*
AM73915MZTL Dino-Lite EDGE USB Microscope
Are you looking for the right Dino-Lite microscope and need help? We are happy to be there for you! 📧 eMail: info@metav-werkzeuge.com, ☎️ Telefon: +49 2822 7131930, ✔️ WhatsApp: +49 170 2837271 Technical Data Article number: AM73915MZTL Brand: Dino-Lite Dino-Lite series: Dino-Lite High-speed model: USB 3.0 Data: Magnification: 10x~140x Number of LEDs: 8 Resolution: 5 Megapixel Connection: USB 2.0 Connection: USB 3 Cable length: ~1.8m Resolution in Pixel: 2592x1944 Product Characteristics Casing material: Aluminium Light: weiß Calibration function Measuring function Interchangeable front caps Polarisation filter Long Working Distance (LWD) Extended Depth of Field (Fotostacking) Automatic Magnifiaction Readout Magnification Lock Microtouch Working Distance: Lang Norms: CE, FCC Extended Dynamik Range Made in Taiwan Manufacturer: AnMo Electronics Corporation; 17F-1, No. 97, Sec. 4, Chongxin Road, Sanchong Dist., New Taipei City 241513, Taiwan; Tel:+886-2-29749126; E-Mail:Sales@anmo.com.tw

€1,399.00*
AM73915MZT Dino-Lite EDGE USB Microscope
Are you looking for the right Dino-Lite microscope and need help? We are happy to be there for you! 📧 eMail: info@metav-werkzeuge.com, ☎️ Telefon: +49 2822 7131930, ✔️ WhatsApp: +49 170 2837271 Product Attributes for the AM73915MZT Dino-Lite USB Microscope Article number: AM73915MZT Brand: Dino-Lite Dino-Lite series: Dino-Lite High-speed model: USB 3.0 Facts and Data: Magnification: 20x~220x Number of LEDs: 8 Resolution: 5 Megapixel Connection: USB 2.0 Connection: USB 3 Cable length: ~1.8m Resolution in Pixel: 2592x1944 Product Advantages Casing material: Aluminium Light: weiß Calibration function Measuring function Interchangeable front caps Polarisation filter Extended Depth of Field (Fotostacking) Automatic Magnifiaction Readout Magnification Lock Microtouch Working Distance: Standard Norms: CE, FCC Extended Dynamik Range Made in Taiwan Manufacturer: AnMo Electronics Corporation; 17F-1, No. 97, Sec. 4, Chongxin Road, Sanchong Dist., New Taipei City 241513, Taiwan; Tel:+886-2-29749126; E-Mail:Sales@anmo.com.tw

€1,399.00*