Velleman DVM1500 Notice D'emploi page 6

o Connect the black test lead to the COM terminal and the red test lead to the mA terminal for a maximum of 400mA. For a
maximum of 10A, move the red test lead to the 10A terminal.
o Connect the test leads in series with the load in which the current is to be measured.
o Read the displayed value. The polarity of the red test lead connection will be indicated when making a DC measurement.
o When only the figure "OL" is displayed, it indicates an overrange and a higher range has to be selected.
• Alarm With Wrong Connections
To avoid damage, the meter features an alarm function. Check the connections, the range and the
terminals as soon as the meter buzzes.
5. Maintenance
Do not attempt to repair or service your multimeter unless you are qualified to do so and have the relevant calibration, performance
test and service information.
a. General Maintenance
To avoid electrical shock and/or damage to the instrument, do not get water inside the case. Remove
the test leads and any input signals before opening the case.
Wipe the device regularly with a moist, lint-free cloth. Do not use alcohol or solvents.
Clean the terminals:
• Switch off the multimeter and remove all test leads.
• Shake out any dirt that may be in the terminals.
• Soak a new cotton bud with a cleaning and oiling agent and clean the terminal.
b. Fuse Replacement
Before fuse replacement, disconnect all test leads and/or ant connectors from any circuit under test.
To avoid damage to the instrument, replace the fuse only with specified ratings.
• Switch off the multimeter.
• Disconnect all test leads and/or any connectors from the terminals.
• Open the battery compartment using an appropriate screwdriver.
• Remove the fuse by sliding it out of its bracket.
• Install a replacement fuse (F500mA/250V, Ø 5 x 20mm).
• Close the battery compartment.
c. Battery Replacement
To avoid false readings, which could lead to possible electric shocks or personal injury, replace the
battery as soon as the battery indicator
leads and/or ant connectors from any circuit under test.
• Switch off the multimeter.
• Disconnect all test leads and/or any connectors from the terminals.
• Open the battery compartment using an appropriate screwdriver.
• Remove the batteries.
• Install the replacement batteries (3 x 1.5V AAA batteries).
• Close the battery compartment.
DVM1500
appears. Before battery replacement, disconnect all test
6 VELLEMAN