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5 1/2 Digital Multimeter User Manual
in
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Figure 3-5 Adjust handle
Figure 3-6 Working position
Figure 3-7 Carrying position
3.7 Turn on the multimeter
Connect the AC power supply
2. Use the provided power cord to connect the multimeter to AC power.
Start the multimeter
Press the power swithch key.
If the instrument does not start normally, follow the steps below to check:
1 Check ifthe power cord is in good contact
2 Check if the power switch key is pressed.
3. Check if the power fuse has been blown, replace the fuse, if necessary.
4. Mthe above check is correct, the instrument has not yet started, please contact the relevant
departments.
4 Basic measurement function
Warning:
1) Before measuring, make sure the wiring is correct. In order to avoid damage to the multimeter,
and possible personal safety hazards, do not measure the voltage beyond the rated mput limit.
2) After the voltage up to 1000 VDC is measured, it is better to wait for about 2 minutes, and then
conduct the low voltage measurement with the resolution rate 1 to 10 uV.
4) After the completion of all measurements, disconnect the probe and the circuit under test and
remove the probe from the input terminal of (he mstrument.
4.1 Voltage measurement
4.1.1 DC Voltage measurement
shown in Figure 4- 1
2. Connect the red and black test leads to the corresponding input terminals as shown in Figure 4-2.
3, Press the up / down arrow key to manually select the appropriate range or select the auto range
Cal
mode by pressing
«wel, press the left / right arrow key to select the appropriate measurement
speed.
4. Start the measurement.
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