He invented the first electrical measuring instrument, the electroscope, in the form of a pivoted needle he called the " versorium ".
2.
"' Avometer "'is a British trademark for a line of multimeters and electrical measuring instruments; the brand is now owned by the Megger Group Limited.
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Calibration Laboratory : Accelerometers, load cells, pressure gauges and transducers, anthropomorphic test dummies, position transducers, electrical measuring instrument calibration, including digital multimeters and temperature meters, and torque wrenches.
4.
The volt-ohm meter, frequently called a VOM or a multimeter, is an electrical measuring instrument that can be used to isolate electrical problems in appliances, audio equipment and security systems.
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