Description; Operating Principle - Circutor MH-10 Guia Del Usuario

Description

The MH-10 micro-ohmmeter is a portable, microprocessor controlled instrument,
used to accurately measure very low contact resistances of breakers and
switches, busbars, transformers and engines windings, etc, with test currents
from 1 mA to 10 A, both in the laboratory and out in the field.
Kelvin architecture (four-terminal method).
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Digital reading, alphanumeric display.
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Up to 4 ½ digits readings.
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Powered by rechargeable battery or mains supply.
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1 µΩ Resolution.
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200 Ω Maximum reading.
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Operating principle

This device uses the Kelvin Bridge architecture, with four terminals, avoiding
testing leads resistance to cause error during measurement. The operator may
choose test current and the reading is obtained by comparison through internal
high-stability standards. The result appears in the alphanumeric display that is
very easy to read.
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