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Handheld Tachometers

Handheld Tachometers

Tachometers are commonly used for Input/output shaft speed, belt, fan speed, total length and flash rate; from propeller speed to wire or yarn/filament speed, pulp and paper mills to blood centrifuges.

Choose from the following types of tachometers:Contact Tachometers
Contact Tachometers are used to measure the rotation speed of a rotating object. With a tachometer, the shaft of the rotating component is coupled to the shaft of the handheld tachometer by friction. Simply stated the tachometer shaft will rotate at the same speed as the component you are measuring.
To measure linear speed such as conveyor belt speed use a contact tachometer with wheel attachment. Place the wheel against the conveyor belt and the wheel will rotate at the same rate. The tachometer will calculate the linear speed on the display based on the rotational rate and fixed diameter of the wheel.

Non-Contact Tachometers
Photo and laser tachometers are used to measure the speed of rotation, without physical contact. A piece of reflective material is affixed to the rotating component. The photo tachometer emits a beam of infrared light which is directed towards the reflective target. When the light beam strikes the target, it is reflected back to a light sensor housed inside the tachometer. If the component is rotating steadily, the tachometer will count the number of times it receives a reflected signal providing a reading in RPM.

Contact/ Non-Contact TachometersContact/ Non-Contact Tachometers have the combined features of both a contact and non-contact tachometer giving you more versatility. Use one unit for non-contact and contact RPM readings along with contact linear speed measurements.

If you need assistance selecting or configuring a tachometer for your speed measurement application please contact us at toll free 1.866.363.6634 or email us at [email protected].

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