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3B SCIENTIFIC PHYSICS 1003559 Manual De Instrucciones página 4

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switch off the unit immediately and secure it
from unintentional use.
Connect the equipment only to sockets with
an earthed neutral.
Before making any connections, check the
experiment leads for damaged insulation
and exposed wires.
Replace any blown fuses only with new
ones that match the specifications stated on
the rear of the housing.
Never short the fuse or the fuse holder.
Never cover the air vents and heat sink at
the rear of the housing. These are neces-
sary in order to ensure sufficient circulation
of air required for cooling the components
inside the equipment.
The equipment may only be opened/repaired
by qualified and trained personnel.
Never switch on the power supply unit im-
mediately after it has been brought from a
cool environment into a warm environment.
The condensed water formed on account of
a sudden change of temperature can, under
unfavourable conditions, be damaging for
the equipment. Do not switch on the equip-
ment without first allowing it to attain ambi-
ent temperature.
Never operate power supply units unat-
tended or without supervision.
2. Description
The 1.5-15 V DC power supply unit provides a
continuous DC voltage which can be regulated
between 1.5 V and 15 V at a current of 1.5 A.
The power supply unit is equipped with an elec-
tronic current limiting system and a thermal pro-
tection mechanism. The DC power supply unit
has a built-in mains fuse which is accessible
only after the equipment has been opened (see
"Safety instructions").
If operating for a long period at maximum cur-
rent and low output voltage or when short-
circuited, the equipment's heat sink becomes
very hot. When the heat sink has exceeded a
critical temperature, the equipment shuts off
automatically. After a cooling period of approx.
2-3 minutes, the equipment simply has to be
switched off and on again, after which it is once
again operational.
The power supply 1003559 is for operation with
a mains voltage of 115 V (±10%), and the unit
1003560 is for operation with a mains voltage of
230 V (±10%).
Elwe Didactic GmbH ▪ Steinfelsstr. 5 ▪ 08248 Klingenthal ▪ Germany ▪
3B Scientific GmbH ▪ Rudorffweg 8 ▪ 21031 Hamburg ▪ Germany ▪
All manuals and user guides at all-guides.com
Technical modifications are possible
© Copyright 2012 3B Scientific GmbH
3. Technical data
Mains voltage:
Wattage:
Output voltage:
Output current:
Ripple voltage U:
Mains fuse:
Dimensions:
Weight:
4. Operation
Obtaining a DC voltage
Connect the unit to the mains supply. Turn
the voltage control knob fully to the left.
Connect the load to the output sockets.
Press the mains switch; the indicator LED
lights up.
Set the required voltage using the
knob for output voltage
5. Care and maintenance
Before cleaning the equipment, disconnect it
from its power supply.
Use a soft, damp cloth to clean it.
6. Disposal
The packaging should be disposed of at
local recycling points.
Should you need to dispose of the equip-
ment itself, never throw it away in normal
domestic waste. Local regulations for the
disposal of electrical equipment will apply.
www.elwedidactic.com
www.3bscientific.com
see rear
max. 40 W
1.5-15 V DC
0-1.5 A
10 mVrms
see rear
3
110 x 80 x 150 mm
approx. 1.5 kg
adjusting
.

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1003560