User's Manual

2
High Voltage Power Supply 012-05725B
®
➃ Push the upper part of the ON/OFF switch on the front
panel to turn on the unit. The switch will light to show
that the power is on.
➄ To read the voltage and current between the -50V out-
put terminals push the meter select switch to the -50V
position. The LED will light. To read the voltage and
current between the 500 V terminals push the meter
select switch to the 500V position. The LED will
light.
➅ With the meter set for the corresponding range, turn
the 50 VOLT ADJUST or the 500 VOLT ADJUST
knob to obtain the desired output.
Specifications
DC Output: 0 to -50 volts and 0 to 500 volts, inde-
pendently adjustable; up to 50 mA in
each range.
AC Output: 2 to 7 VAC; up to 3 amperes.
RIPPLE: Less than 0.1%, ± 1 Digit
REGULATION: Less than 1% variation in output for a
combined variation in line and load of
up to 10%
➤ NOTE: All output circuits are protected against
current overload. If the power supply fails to come
on, or if it shuts down during operation because of a
current overload, check the fuses on the rear of the
supply. If the fuses are blown, replace them only
with similarly rated fuses.
FUSE: 1 Amp Slo-blo in 115V Models
500 mA Slo-blo in 230V Models
Other PASCO Power Supplies
PASCO scientific offers a variety of rugged, reliable
power supplies. From low-voltage, fixed-output sup-
plies to a 6 KV DC supply, all PASCO power supplies
are easy to use, ruggedly built, and short circuit pro-
tected for long life in the student lab. For information,
check the current catalog.
To Reach PASCO
For Technical Support call us at 1-800-772-8700 (toll-
free within the U.S.) or [phone].
email: [e-mail]
Tech support fax: [phone]
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION:
TO PREVENT THE RISK OF ELECTRIC SHOCK, DO
NOT REMOVE BACK COVER. NO USER SERVICEABLE
PARTS INSIDE. REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
The lightning flash with arrowhead, within
an equilateral triangle, is intended to alert
the user of the presence of uninsulated
“dangerous voltage” within the product’s
enclosure that may be of sufficient magni-
tude to constitute a risk of electric shock to
persons.
The exclamation point within an equi-
lateral triangle is intended to alert the
user of the presence of important oper-
ating and maintenance (servicing) in-
structions in the literature accompany-
ing the appliance.
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.