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Table 1-1. Specifications, Mode! s6826A and 6827A {Continued)
Variable Accuracy:
Accuracy in high range at 100Hz using an external
control resistance (Rp) at output voltage (Vo)- %
Rp is the accuracy of the control resistance Rp.
Model 6826A:
(.05% + %RF) V0 + 5mV
Model 6827A:
(.05% + %Rp) Vo + 10mV
Remote Voltage Control Coefficient:
Fixed gain amplifier mode, voltage coefficient:
Model 6826A:
Voltage (XI Range): 1 volt/volt ± .1%
Voltage (X10 Range): 10 volts/volt ± .1%
Model 6827A:
Voltage (XI Range): 2 volts/volt ± .1%
Voltage (X10 Range): 20 volts/volt ± .1%
Constant Current, voltage coefficient (the following
applies to variable gain amplifier, fixed gain amplifier,
and power supply modes of operation):
Models 6826A and 6827A: 1 ampere/volt ± .5%
1-14
OPTIONS
1-15
Options are customer-requested factory modifica¬
tions of a standard instrument. The option described below
applies to Models 6826A and 6827A.
Option No.
Description
007
Ten-turn Output Voltage Control: Replaces
standard single-turn voltage control to allow
greater resolution in setting the output volt¬
age ir gain of the BPS/A. Shunt resistor
A1 R53 as well as standard VOLTAGE con¬
trol (HP Part No. 2100-3272) A5R2 must
be removed when the ten-turn output volt¬
age control (HP Part No. 2100-1867) is in¬
stalled in the A5R2 location.
1-16
ACCESSORIES
1-17
The accessories listed in the following chart, may
be ordered with the instrument or separately from your
local Hewlett-Packard sales office (refer to list at rear of
manual for addresses).
HP Part No.
5060-8762
5060-8760
11057A
1052A
Dual Rack Adapter: Kit for rack mounting
one or two supplies in standard 19-inch rack.
Blank Panel: Filler panel to block unused
half of rack when mounting only one supply.
Carrying handle easily attached for portabil¬
ity and handling convenience.
Combining Case for mounting one or two
units in standard 19-inch rack.
5060-0789
Cooling kit for above combining case, 115
Vac, 50-60Hz.
5060-0796
Cooling kit for above combining case, 230
Vac, 50-60Hz.
1-18
INSTRUMENT IDENTIFICATION
1-19
Hewlett-Packard power supplies are identified by a
three-part serial number. The first part is the power supply
model number. The second part is the serial number prefix,
consisting of a number-letter combination denoting the date
of a significant, design change and the country of manufac¬
ture. The first two digits indicate the year (12 = 1972, 13
= 1973, 20 - 1980, etc); the second two digits indicate the
week (01 through 52); and the letter "A", "G", "J", or "U"
designates the U.S.A., West Germany, Japan, or the United
Kingdom, respectively, as the country of manufacture. The
third part is the power supply serial number; a different 5-
digit sequential number is assigned to each power supply,
starting with 00101.
1-20
If the serial number prefix on your unit does not
agree with the prefix on the title page of this manual, change
sheets supplied with the manual or manual backdating
changes in Appendix A define the differences between your
instrument and the instrument described by this manual.
1-21
ORDERING ADDITIONAL MANUALS
1-22
One manual is shipped with each instrument. Add¬
itional manuals may be purchased from your local Hewlett-
Packard field office (see list at rear of this manual for add¬
resses). Specify the model number, serial number prefix,
and HP part number shown on the title page.
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