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Table of Contents
1-1.
DESCRIPTION
1-2.
BASIC FRAME
1-3.
The Hewlett-Packard Model 7035B X-Y Recorder is a
general purpose laboratory instrument designed for plotting
cartesian coordinate graphs from dc electrical sources.
Specially guarded and shielded circuitry provides one megohm
input resistance at null on all fixed and variable ranges from
100 mV/in. (40 mV/cm) and above. Five calibrated dc input
ranges
in
each
axis,
potentiometrically, are standard features. Arbitrary full scale
voltage ranges may be used with calibrated de ranges by using
a variable input attenuator.
accepts standard 8-1/2 x 11 inches or smaller graph paper.
The instrument is readily adaptable from bench to rack
mounting by installing the wing brackets provided.
Figures 1-1 and 1-2 for general configuration.
1-4.
MODEL-MANUAL INFORMATION
1-5.
This manual is applicable to the Model 7035B with a
serial prefix of 1114A. The serial prefix is the first four digits
and a letter of a two-part ten-item serial number (0000A-
00000) used to identify each Hewlett-Packard instrument (see
Figure 1-3). Should any change to this manual be necessary,
a new serial prefix will be assigned to the changed model and
a change sheet (Manual Change) will be supplied defining the
differences between the changed model and the one described
within this manual.
FIGURE 1-3. INSTRUMENT IDENTIFICATION
the
most
sensitive
is
The Autogrip holddown platen
SECTION I
INTRODUCTION
1-6.
SPECIFICATIONS
1-7.
Table 1-1 lists the specifications available with this
recorder. Figure 1-4 illustrates the outside dimensions.
1-8. OPTIONS
1-9.
METRIC CALIBRATION (OPTION 001)
1-10. Ordering this option will provide a metrically scaled and
used
calibrated version of this instrument.
installation only.)
1-11. X-AXIS
(OPTION 003)
See
1-12. This option provides a potentiometer that is coupled to
the X-axis drive system. The potentiometer is 5K ±3% with
±0.1% linearity, and 0.04% resolution.
1-13. ACCESSORIES
1-14. Accessories supplied with each instrument depend on
the configuration of the instrument, and are listed in Table 1-2.
Other accessories for special applications may be ordered.
These accessories which do not require modification of the
recorder are described in the following paragraphs.
1-15. MODEL 7562A LOGARITHMIC CONVERTER
1-16.
The Model 7562A Logarithmic Converter produces de
output voltages in logarithmic relationship to other dc input
voltages, or true amplitude RMS of ac input voltages, in a 10,
000 to 1 (80 dB) amplitude range. The all solid state, single
channel converter allows semilog plotting with X-Y and strip
chart recorders.
records. An oscilloscope output is also provided for waveform
monitoring using oscilloscopes. A broad frequency range, 100
kHz to 0.5 Hz, increases its usefulness.
(HP Service Center
RETRANSMITTING
POTENTIOMETER
Two converters may be used for log-log
1-1
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Troubleshooting
