Category : Measurement, test and control instrumentations > Testing systems

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The Model 921A Displacement Force and Switch Test Station is designed to obtain precise force measurements relative to displacement. It performs tests for separate operator-programmed parameters. A switch test optional resistance channel may be added to test electrical parameters.

The 921A is used to test membrane switches (including polydomes, metal domes, elastomeric and conventional keypads), conductive rubber, keyboards, springs - virtually any component where accurate displacement force measurements are required.

Operating modes include:
1. Local - standalone operation;
2. PC - a personal computer interfaces with the 921A and is used to configure test parameters, as well as view, store, and print test results;
3. an optional Engineering mode, where test data having a displacement resolution of 0.00254 mm (0.0001 inch) is accessible by the user.
In the Engineering mode, up to 5,000 data points are obtained and stored during a single test. Test data can be displayed and printed in tabular or graphic formats.

Interchangeable force sensors ranging from 0-75.0 g (0-2.65 oz) to 0-20.4 kg (0-45.0 lb) are available. The 921A also permits the user to easily change and use different probe tips.

Invaluable as a test tool for qualifying first article product, audit testing, engineering investigation, inspection and life study tests, the 921A can also be used in automated production areas. When integrated with an automatic feed or an x-y positioner, the 921A functions as a cost-effective automated test station ideal for a wide variety of production applications.

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List of all articles in this sub-category Testing systems

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