GW Instek PSP Series - Manual (Page 5)

PSP SERIES
USER MANUAL
4
are contained in this user manual.
The instrument is constructed to Protection Class I. It is equipped with
a VDE-approved power supply with safety cable and may only be used
with and connected to AC supplies with safety earthing.
Ensure that the (yellow/green) earthed wire in the instrument, in its
power cable and in the AC supply remains sound, because a damaged
earth wire can endanger life.
In commercial facilities the accident-prevention regulations of the
industrial employers' liability association for electrical systems and
equipment must be observed.
In schools, training facilities, hobby and self-help workshops, the
operation of power supplies and accessories must be supervised by the
trained personnel.
Make sure that only the fuses of the given types and nominal current
ratings are used as replacements. The use of repaired fuses or the
bridging of fuse holders is not permitted. A small flat-bladed
screwdriver is required to change the AC fuse. Carefully lever up the
cover in the AC power socket and withdraw it. Remove the defective
fuse and replace it with an intact one of the same type and nominal
current rating. Afterwards replace the fuse cover.
The measuring instrument is operated only when the case is securely
closed and screwed up.
PSP SERIES
USER MANUAL
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While proceeding the operation of power supplies, the wearing of
metal or other conducting jewelry such as chains, bracelets, rings, etc.
is not recommended.
Note: Power supplies are not intended for use with/on
people or animals.
When connecting the outputs of more than one power supply in series
voltages may danger to life (> 35 VDC). Only power supplies with an
identical output (current and voltage) specification may be placed in
series or in parallel, otherwise the weaker of the two will be damaged.
The instrument is to be placed onto a hard, non-inflammable base, so
that cooling air can enter unhindered. The cooling of the unit occurs
predominantly through convection.
Note: Power supply ventilation holes should not be
covered.
Power supplies and their connected loads should not be left operating
unsupervised. There are measures for the protection and safety of
connected loads in the face of power supply incidents (e.g.
overvoltages, complete failure) and effects and dangers stemming
from the loads themselves (e.g. unduly-high current consumption).
Faulty power supplies can produce voltages over 50 V DC, which can
be dangerous even when the indicated normal output voltages of the
units are lower than this.
Note: For power-on work, only tools expressly intended
for this should be used.