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Method and circuit for measuring characteristics of springs
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Device for measuring a force
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Device for testing a spring used to generate a torque
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Method and circuit for displaying the force of a spring in a spring testing device
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Circuit arrangement for voltage measurement
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Method for determining the hardening depth and (or) the core hardness of workpieces with surface hardening
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Gauge for checking the roundness and diameter of bores
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Device for the automatic zero setting of the dial gauge with pre-load pressure checkers
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Control for electric motor driven automatic hardness testing machines
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Device for automatic dial gauge zero setting for pre-load pressure testers
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Pre-load stress tester with optical depth measuring device
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