| The DCM R series of digital clamp meters have
a four digit LCD and are available in different versions for maximum
currents of 200 A, 1000 A and 2000 A. They feature auto-ranging and
auto-zeroing and canmea sure AC, DC., pulsed and mixed currents.
Additional functions include the measurement of voltage, resistance,
continuity and a diode test. The overall accuracy of 1,3% of the
measured value has been achieved by utilizing the latest microprocessor
technology, plus the use of a true RMS measuring technique. This accuracy
even applies when harmonics or complex waveforms are present. The
clampmeters have additional ranges of 400 V, 600 V, 400 Ω, 4 k Ωand allow
diode tests as well as continuity tests with an integrated buzzer. Simply
by pushing a button, it is possible to freeze the last value measured or
to display the peak value on the four digit 12 mm high liquid crystal
display. The analog outputs of this DCM series can be connected to an
oscilloscope, chart recorder, data logger or other measuring/recording
equipment. A true RMS output is also available.
The traditional measuring method for taking current measurements by
inserting a shunt resistor or a current transformer has inherent
disadvantages, such as the necessity to break the circuit conductor. The
modern, competitively priced Hall effect DCM R series clamp-on multimeters
offer the user many advantages including the measurement of DC currents
and non-sinusoidal waveforms. |
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