![]() ![]() Vernier Caliper Simulation Vernier calipers Physics Education (physics.ed-ph) Instrumentation and Detectors Pedagogical design feature-ideas to augment learning with real instrumentsĬomments: 8 pages, 8 figures, Physics Education journal (g) describe how to measure a variety of lengths with appropriate accuracyīy means of tapes, rules, micrometers and calipers, using a vernier scaleĬaliper and micrometer computer models using Easy Java Simulation and its Simulaton back to original (default) setting. Manipulate the model with single incremental precisionįor fast changes in the vernier measurement Scales for sense making and additional testing out by learners their ideas Reading on the main scale and the vernier scale with zero errorĭrop down menu of the various common vernier Object (Green) for external jaws to measure internal diameter of aĬylinder for example with slider to control dimensions of the cylinder.Ĭheckbox for hint to scaffold the learnersĬheckbox for answer to show the meaning of Width of the object and simple drag action to control position of object. Movable part to allow the easy transferring a measurement ( not shown inįor the internal jaws to measure width of an object with slider to control Measurements up to one decimal places in mm Probe: used to measure depths of an object or a hole ( not shown in this Inside jaws: used to measure internal diameter of an object Outside jaws: used to measure external diameter or width of an object More precise instrument used for the same purpose is the micrometer ![]() Measurements on the upper and lower part of the scale.Ĭommonly used in industry provide a precision to a hundredth of a Into deep grooves that may prove difficult for other measuring tools. Measurements by the use of a probe that is attached to the movable headĪnd slides along the centre of the body. Using the pictured lower jaws, and depending on the manufacturer, depth ![]() (using the uppermost jaws in the picture at right), external dimensions Vernier calipers can measure internal dimensions The program also has a feature to launch Microsoft's Magnify tool, allowing you to see a magnified image at the ruler's edges to more easily measure between very fine points.Play with the Vernier Caliper Model. You can click on a tick to have a measuring line automatically drawn at an exact location.Īutomatic midpoint, third and golden ratio lines can optionally be shown. Ticks can be placed on which ever long edge of the ruler you prefer. The numbering on the ruler can be reversed and the ruler's length optionally displayed. With large clear numbering, the ruler is very easy to read.Įach ruler / reading guide can be flipped horizontally or vertically, resized to an exact length or resized by dragging it to a desired length. However, you can create your own skins and share them with your friends! The program switches between ruler and reading guide modes with the press of a key.īy default, both the ruler and reading guide come with four 'skins' to choose from: wood grain, stainless steel, plastic see thru and yellow construction. This makes A Ruler for Windows an ideal tool for working with long e-mails, wide spreadsheets and fine print documents on your screen. The reading guide helps you read through text on your screen much like a ruler edge helps you read through lines of text on a printed page. It's ideal for designing web sites, working with graphics and perfecting the look of your digital products. The ruler lets you quickly and easily measure objects on your screen. A Ruler For Windows - free on screen pixel ruler and reading guideĪ Ruler for Windows is a free on screen pixel ruler / reading guide for Windows. ![]()
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