3B SCIENTIFIC PHYSICS 1003559 Hoja 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 ▪

Mains voltage:

Wattage:

Output voltage:

Output current:

Ripple voltage U:

Mains fuse:

Dimensions:

Weight:

Obtaining a DC voltage

•

Technical modifications are possible

3. Technical data

4. Operation

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

110 x 80 x 150 mm

approx. 1.5 kg

adjusting