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A height gauge can measure the height of an object or automatically mark parts at a specific height. There are two main types: Vernier calipers and electronic/digital. They are used in retail, industrial, test, laboratory, and medical environments. They are used to set the height of a desired measurement, saw blades, and other automated tools. Carpenters and machinists use them for their work.
A height gauge can be one of two types of device. The former is simply a device or tool that measures the height of an object, while the latter is a device that automatically marks parts or workpieces at a specific height or point for further attention. You can also use a height gauge to set the height of a desired measurement or the height of a part. They are found in retail, industrial applications, test and laboratory environments, and even in doctor’s offices.
Two main types of height gauges are used. Vernier calipers are purely mechanical in nature with a scale engraved or stamped on the device itself, usually on a vertical bar or tower-type cluster. A component called a datum slides up and down this vertical bar and can be secured with screws, clamps, or other means. The datum usually has a range that is aligned with the object or distance being measured, or set to correspond with a pointer that gives a reading on the measurement pointer column.
An electronic or digital height gauge works in much the same way, but the data is usually a simple digital electronic device and display, often a basic liquid crystal display (LCD) or light emitting diode (LED), which provides the reading corresponding to the position of the datum with respect to the reference or zero point. Both types of height gauges usually have multiple scales or settings for separate measurement conventions, such as decimal and fractional, for both the English and metric systems.
Industrial applications for a height gauge include setting the height for a particular measurement, usually of a part or vertical space in some machinery. Often, the height is set and an engraver is applied to mark a series of parts at the pre-set height to ensure that a further step in the manufacturing process is performed on each part in exactly the same position. Height gauges can also be used to set the height of saw blades and other automated tools to ensure accuracy.
Carpenters and machinists often use height gauges in their work. Different degrees of accuracy are possible, depending on the particular caliber, and machinists often use models that can offer very high accuracy due to the tight tolerances often required for machinery and machined parts. A height gauge of another type may be familiar to anyone who has ever visited a doctor’s office and had their height measured, as these devices are common in such locations.
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