9
English
5. Operation
Warning!
• When measuring voltage always ensure that the meter is switched to
the correct function range and not set to the current, resistance or diode test
range. Always ensure that you use the correct test lead socket for the type of
measurement to be made.
• Use extreme caution when measuring voltages over 60 V, especially when
the objects being measured have high power outputs.
• Make sure that the object to be measured is not “live”, i.e. conducting any current
before connecting test leads in series with it (such as when measuring current).
• Make sure that the circuit to be tested is not conducting any current before
performing resistance measurements or diode tests.
• Always ensure that the correct function and range is selected. If in doubt about
the correct range, start with the highest and work downwards.
• Be extremely cautious when using this meter on an inductive component such
as a transformer, relay coils and the like. High voltage may be produced at
the terminals if an open circuit occurs.
• Make sure that the test leads are in good condition with no damage to the insulation.
• Take care not to exceed the overload limits given in the specifications.
• If you replace the fuse, make sure that it is the correct type and rating.
5.1 Voltage measurement
5.1.1 Measuring DC voltage
1. Connect the black test lead
to
and the red test
lead to
.
2. Set the function selector
to
for DC voltage
measurement.
3. The meter is set by default
to
Autorange
(automatic
range setup). If you wish
to change the range
manually, press [ Range ]
several times.
4. Connect the test leads
across the source or load to
be measured.
Summary of Contents for ut61d
Page 2: ...2...
