PASCO SF-9582 User manual

Instruction Sheet
for the PASCO
Model SF-9582
12 VOLT AC/DC POWER SUPPLY
012-02816C
1/95
$1.00
Introduction
The PASCO scientific Model SF-9582 12 Volt AC/DC
Power Supply provides AC and DC power in 1 volt incre-
ments, from 1 to 12 volts, at up to 6 amps. Since the AC
and DC power are delivered on separate output connec-
tors, they can be utilized simultaneously. Both outputs
are unregulated, and protected from current overload by a
thermal circuit breaker. The DC output is full-wave recti-
fied, but unfiltered.
To Use the Power Supply:
➀Plug the power cord into a well-grounded 107-128
VAC, 60 Hz or 198-242 VAC, 50 Hz outlet. (See la-
bel on rear of unit).
➁Connect the appropriate output lines of the power sup-
ply to the circuit. (Connecting wires are not pro-
vided.)
➂Set the VOLTAGE ADJUST knob to 1 volt.
➃Flip the ON/OFF switch on the power supply to ON.
The switch will light to show that the power supply is on.
➄Set the VOLTAGE ADJUST knob to the desired volt-
age setting (AC values are in RMS units).
Phone [phone] • FAX [phone] • email: [e-mail]
10101 Foothills Blvd. • P.O. Box 619011 • Roseville, CA 95678-9011 USA
better
teach physics
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© 1989 PASCO scientific
This instruction sheet edited by: Dave Griffith
➤ NOTE:Both AC and DC output circuits are
protected with a thermally activated circuit breaker.
If at any time the power supply fails to come on, or if
it shuts down during operation because of a current
overload, press the RESET button on the front panel.
This will reset the circuit breaker. Of course, you
may have to reduce the voltage or increase the resis-
tance of the load in order to resume operation.
PASCO ON
OFF
scientific
PASCO
MODEL SF-9582
AC/DC POWER SUPPLY
DC OUTPUT AC OUTPUT
6 AMPS MAX 6 AMPS MAX
VOLTAGE ADJUST
1
2
3
4
67
8
9
10
11
12
5
RESET
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION:
TO PREVENT THE RISK OF ELECTRIC SHOCK, DO
NOT REMOVE COVER ON UNIT. NO USER SERVICE-
ABLE PARTS INSIDE. REFER SERVICING TO QUALI-
FIED SERVICE PERSONNEL.
Thelightningflashwitharrowhead,within
anequilateraltriangle, isintendedtoalert
the user of the presence of uninsulated
“dangerous voltage” within the product’s
enclosurethatmaybeofsufficientmagni-
tudetoconstituteariskofelectricshockto
persons.
The exclamation point within an equi-
lateral triangle is intended to alert the
userof thepresence ofimportant oper-
ating and maintenance (servicing) in-
structions in the literature accompany-
ing the appliance.

2
12 Volt AC/DC Power Supply 012-02816C
Equipment Return
Should this product have to be returned to PASCO scien-
tific, for whatever reason, notify PASCO scientific by let-
ter or phone BEFORE returning the product. Upon noti-
fication, the return authorization and shipping instructions
will be promptly issued (see reverse side for packing
instructions).
➤ NOTE: NO EQUIPMENT WILL BE
ACCEPTED FOR RETURN WITHOUT AN
AUTHORIZATION.
When returning equipment for repair, the units must be
packed properly. Carriers will not accept responsibility
for damage caused by improper packing. To be certain
the unit will not be damaged in shipment, observe the fol-
lowing rules:
➀The carton must be strong enough for the item shipped.
➁Make certain there are at least two inches of packing
material between any point on the apparatus and the
inside of the carton.
➂Make certain that the packing material cannot shift in
the carton, or become compressed, thus letting the in-
strument come in contact with the edge of the carton.
Limited Warranty
PASCO scientific warrants this product to be free from
defects in materials and workmanship for a period of one
year from the date of shipment to the customer. PASCO
will repair or replace, at its option, any part of the product
which is deemed to be defective in material or workman-
ship. This warranty does not cover damage to the product
caused by abuse or improper use. Determination of
whether a product failure is the result of a manufacturing
defect or improper use by the customer shall be made
solely by PASCO scientific. Responsibility for the return
of equipment for warranty repair belongs to the customer.
Equipment must be properly packed to prevent damage
and shipped postage or freight prepaid. (Damage caused
by improper packing of the equipment for return ship-
ment will not be covered by the warranty.) Shipping
costs for returning the equipment after repair will be paid
by PASCO scientific.
Specifications
AC: 1 to 12 volts (RMS), unregulated, selectable in 1 volt
increments; current up to 6 amps.
DC: 1 to 12 volts, unregulated, unfiltered, (full wave rec-
tified), selectable in 1 volt increments; current up to 6
amps.
AC and DC outputs are available simultaneously, and
both are protected from current overload by a common 6
amp thermally activated circuit breaker.
Total maximum output current is limited to 6 amps.
➤ Caution: AC and DC outputs are not indepen-
dently floating. Cross-connection could result in
internal damage
Other PASCO Power Supplies
PASCO scientific offers a variety of rugged, reliable
power supplies. From low-voltage, fixed-output supplies
to a 6 KV DC supply, all PASCO power supplies are easy
to use, ruggedly built, and short circuit protected for long
life in the student lab. For information, check our catalog
or call toll-free 1-800-772-8700.
Parts List*:
➤ Caution: If repairs are needed, they should be
performed only by experienced personnel.
REFERENCE PART
MDA 3502 D1
4 AMP SLOW F1
THERM FUSE F2
TERMINAL Power
100R R1
R100 R2
NT 15050 T1
*When ordering parts, be sure to indicate the product num-
ber (SF-9582), the part number, and the part description

3
012-02816C 12 Volt AC/DC Power Supply
Schematic:

4
12 Volt AC/DC Power Supply 012-02816C
Technical Support
Feed-Back
If you have any comments about this product or this
manual please let us know. If you have any suggestions
on alternate experiments or find a problem in the manual
please tell us. PASCO appreciates any customer feed-
back. Your input helps us evaluate and improve our prod-
uct.
To Reach PASCO
For Technical Support call us at 1-800-772-8700 (toll-
free within the U.S.) or [phone].
Contacting Technical Support
Before you call the PASCO Technical Support staff it
would be helpful to prepare the following information:
• If your problem is computer/software related, note:
Title and Revision Date of software.
Type of Computer (Make, Model, Speed).
Type of external Cables/Peripherals.
• If your problem is with the PASCO apparatus, note:
Title and Model number (usually listed on the label).
Approximate age of apparatus.
A detailed description of the problem/sequence of
events. (In case you can't call PASCO right away, you
won't lose valuable data.)
If possible, have the apparatus within reach when call-
ing. This makes descriptions of individual parts much
easier.
• If your problem relates to the instruction manual, note:
Part number and Revision (listed by month and year on
the front cover).
Have the manual at hand to discuss your questions.