Maintenance - Ht Instruments Ht4010 Bedienungsanleitung

5.5. AC CURRENT MEASUREMENT
Make sure that all the test leads are disconnected from
the meter terminals for current measurement
1. Approach the meter closest to AC source. The turn on of red LED
which is placed to the bottom of clamp jaws (see Fig. 1 – part 2)
detect the AC voltage
2. Rotate the switch on position on a measurement range between
2A and 600A
select the highest range
3. Put the conductor to be tested inside to the center of clamp jaw
to perform accurated measurements (see Fig. 6). The current
value is shown at display
4. "O.L" message is shown at display the current under test is over
the maximum value that the instrument is able to measure
5. For HOLD and MAX functions please refer to § 4.2

6. MAINTENANCE

35
CAUTION
. If the current value under test is unknown,
HT4010