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Measuring instruments range to wider dimensions for spectrum applications. They are used to measure electric flow or liquid or gas. Radiation detectors are used for medical diagnoses, radioactive dating measurements, measurement of background radiation, activity level and radiation dose. Flow meters and flow sensors are devices used for measuring the flow or quantity of a moving fluid or gas. Pressure sensors cover all manners of pressure sensing devices including pressure sensors, transducers, elements, instruments, meters, recorders and controllers. Ammeter is used to measure current. An analog ammeter displays this current with a dial, typically a moving pointer. Dbm meters measure the signal power. LCR meters and impedance meters measure inductance, capacitance, and resistance or impedance. Digital power meters are used for high accuracy measurements of power from both DC and AC circuits. Digital multimeters are used to measure electrical quantities such as voltage, current, resistance, frequency, temperature, capacitance, and time period measurements. A wide range of measuring instruments is manufactured by host of manufacturers.
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