I General Information; Description; Specifications; Options - HP BENCH Series Operating And Service Manual

SECTION I
GENERAL INFORMATION
1-1 DESCRIPTION
1-2 This power supply, Figure 1-1. is completely
transistorized and suitable for either bench or relay
rack operation. It is a compact, regulated. Con
stant Voltage/Current Limiting supply. The output
voltage can be continuously adjusted throughout the
output voltage range. The power supply is fully pro
tected from overloads by a fixed current limit which
is set by means of an internal adjustment. The cur
rent limit circuit permits series and parallel connec
tion of two or more supplies when greater voltage or
current is desired.
1-3 Either the positive or negative output terminal
may be grounded or the power supply can be opera
ted floating at up to a maximum of 300 volts off
ground.
1-4 A single meter is used to measure either out
put voltage or output current in volts and milliamps,
respectively. The voltage or current range is selec
ted by the METER switch on the front panel.
1-5 SPECIFICATIONS
1-6 Detailed specifications for the power supply
are given in Table 1-1.
1-7 OPTIONS
1-8 Options are factory modifications of a stand
ard instrument that are requested by the customer.
The following options are available for the instru
ment covered by this manual. Where necessary, de
tailed coverage of the options is included through
out the manual.
Option No. Description
28 230Vac, 50-400Hz, Single-Phase
Output: Factory modification consists
of reconnecting the input transformer
for 230Vac operation. Refer to Section
II for further details.
1-9 ACCESSORIES
1-10 The accessories listed in the following chart
may be ordered with the power supply or separately
from your local Hewlett-Packard field sales office
(refer to list at rear of manual for addresses).
(fe Part No. Description
1452lA 3|-" High Rack Kit for mounting up to
three BENCH supplies. (Refer to Sec
tion II for details.)
14522A 7" High Rack Kit for mounting up to
six BENCH supplies. (Refer to Sec
tion II for details.)
1-11 INSTRUMENT/MANUAL IDENTIFICATION
1-12 Hewlett-Packard power supplies are identified
by a three-part serial number tag. The first part is
the power supply model number. The second part is
the serial number prefix, which consists of a num
ber-letter combination that denotes the date of a
significant design change. The number designates
the year, and the letter A through L designates the
month, January through December respectively. The
third part is the power supply serial number.
1-13 If the serial number prefix on your power sup
ply does not agree with the prefix on the title page
of this manual, change sheets are included to up
date the manual. Where applicable, backdating
information is given in an appendix at the rear of
the manual.
1-14 ORDERING ADDITIONAL MANUALS
1-15 One manual is shipped with each power sup
ply. Additional manuals may be purchased from
your local Hewlett-Packard field office (see list at
rear of this manual for addresses). Specify the
model number, serial number prefix, and ($i stock
number provided on the title page.
1-1