Application Procedures - PeakTech 4250 Manual Del Usuario

4. Application Procedures

P 4250:
1. Insert the black banana plug into the COM jack and the red
banana plug into the V- jack of any multimeter with a minimum
input impedance of 10 k.
2. Set the power switch from "OFF" to the desired range, 1 mV/10
mA or 1 mV/100 mA position. The green LED will light to indicate
that the clamp is switched on.
3. For current measurements below 2 A, set the unit to 1 mV/10 mA
range and set the multimeter to 200 mV AC range for AC current
measurements, or 200 mV DC range for DC current
measurements. If the measured current exceeds 2 A, set the unit
1 mV/100 mA range.
4. When perform DC current measurement, always push the zero
adjustment button on the clam until the multimeter reads zero.
5. Clamp the jaws around the current-carrying conductor and
interpret the reading according to step 3 above.
6. When 1 mV/10 mA range of clamp unit is selected, multiple the
reading displayed on the multimeter by "10" for interpreting the
measured current value in mA. For example, if the multimeter
reads 10 mV, the measured current is 10 x 10 = 100 mA.
When 1 mV/100 mA range is selected, multiple the reading
displayed on the multimeter by "100" for interpreting the
measured current value in mA. For example, if the multimeter
reads 5 mV, the measured current is 5 x 100 = 500 mA.
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