1.1.2
During use
∗
Test equipment risk assessment : Users of this equipment and/or their
employers are reminded that Health and Safety Legislation requires them
to carry out a valid risk assessment of all electrical work so as to identify
potential sources of electrical danger and risk of electrical injury such as
from inadvertent short circuits. Where the assessment show that the risk
is significant then the use of fused test leads constructed in accordance
with the HSE guidance note GS38 "Electrical Test Equipment for use by
Electricians" should be used.
∗
Never exceed the protection limit values indicated in the
specifications for each type of measurement.
∗
When the multimeter is linked to measurement circuits, do
not touch unused terminals.
∗
When the range of the value to be measured is unknown, check
that the range initially set on the multimeter is the highest possible
or, wherever possible, choose the autoranging mode.
∗
Before changing functions, disconnect the test leads from the
circuit under test.
∗
In TV repair work, or when carrying out measurements on power
switching circuits, remember that high amplitude voltage pulses at
the test points can damage the multimeter. Use of a TV filter will
attenuate any such pulses.
∗
Never perform resistance or continuty measurements on live
circuits.
1.1.3 Symbols
Symbols used in this manual and on the instrument :
CAUTION :
Earth
1.1.4 Instructions
∗
Before opening up the instrument, always disconnect from all
sources of electric current and make sure you are not charged
with static electricity, which may destroy internal components.
∗
Any adjustment, maintenance or repair work carried out on the
multimeter while it is live should be carried out only by
appropriately qualified personnel, after having taken into account
the instructions in this present manual.
∗
A "qualified person" is someone who is familiar with the
installation, construction and operation of the equipment and the
hazards involved. He is trained and authorized to energize and
de-energize
established practices.
Refer to the instruction manual.
Incorrect use may result in damage to the
device or its components.
circuits
and
equipment
in
accordance
with