Operation - Velleman DCM330 User Manual

5. Operation

Read and understand all warning and precaution statements listed
in the safety section of this manual before operating. Set the
function selector switch in the OFF position when the meter is not in
use.
5.1 AC Current Measurement
Ensure that the test leads are disconnected
from the meter before making current
measurements.
Set the function switch to an A range.
•
If the measurement range is not
known, select the highest range and
move to the lower range if necessary.
Press the lever to open the jaw. Fully
•
enclose the conductor to be measured.
Read the displayed value.
•
5.2 AC/DC Voltage Measurement
Insert the black test lead into the negative COM
•
terminal and the red test lead into the positive V
terminal.
Set the function switch to V range.
•
Select the AC or DC mode with the MODE button.
•
Connect the test leads in parallel with the circuit to
•
be measured.
Read the displayed value.
•
5.3 Resistance and Continuity Measurement
Insert the black test lead into the negative COM
•
terminal and the red test lead into the positive V
terminal.
Set the function switch to Ω
•
Select the resistance mode with the MODE button.
•
Connect the test leads with the circuit or the
•
component to be measured. It is best to disconnect
one side of the device under test so the rest of the
circuit will not interfere with the resistance reading.
V. 03 – 14/06/2016
DCM330
range.
5 ©Velleman nv