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MODEL 616
This section describes the procedures
3-1.
GENERAL.
for operating the Model 616 [or measurement of volt
age,
current,
charge, and resistance.
3-2 .
HOW TO MAKE INPUT AND OUTPUT CONNECTIONS.
a.
Teflon insulated triaxial connector.
terminal
is
the high impedance
shield is the low input; and the outer shield is
case ground.
The mating connector is a Keithley
part no. CS-141 triaxial plug.
Model 6011 Input Cable.
b.
inch long triaxial cable terminated with 3 color
coded alligator clips.
by the heavy wire with red insulator.
low is identified by the thin wire with black in
sulator.
The case ground 1s identified by the thin
wire with green insulator.
c.
Rear Panel Terminals.
binding posts which
six
connections to the Model 616.
1.
Xl Terminal (White).
an analog signal at unity gain. CAUTION
volts may be present at this terminal.
IV Terminal
(Red).
2.
an analog signal wtth a scale factor of
full range input.
3.
LO Terminals (Black).
provide a connection to input low.
terminal may be used for system connections.
4.
GUARD Terminal (Blue).
vides a connection to the amplifier feedback
when in the FAST mode.
5.
GROUND Terminal (Green).
vides a connection to chassis ground.
link is provided for easy connections between low
and chassis.
For floating applications, the link
must be removed.
10
GROUND
FIGURE 4.
0774
3.
SECT I O N
This receptacle is a
The center
input;
the inner
This cable is a 30
The input high is identified
The input
The rear panel has
making special
are used for
This terminal provides
Up to 200
This terminal provides
1
volt for
These terminals
Either
This terminal pro
This terminal pro
A shorting
Triaxial Input.
O PERATING
I N STRUCT I O N S
3-3.
HOW TO SELECT FUNCTION.
a single front-panel rotary switch for selection of
function and range.
manual selection of any of four functions, namely,
VOLT, OHMS, COULOMB, and AMPERE.
3-4.
HOW TO USE THE VOLT FUNCTION.
provides five decades of voltage sensitivity from
volts
.01000
tion is selected by setting the RANGE switch to VOLT.
a.
Manual Sensitivity Settings.
SENSITIVITY switch has six positions.
is rotated counter clockwise, the sensitivity is
increased.
sensitivities of lOO.OV, 10.00V, 1.000V, . IOOOV , and
.OlOOQV as in
AUTO sensitivity mode which enables either auto
matic seositivitv or remotely selected sensitivity
(when used with the Model 6162).
for a complete explanation of AUTO mode.
Sensl"�vity
10 rnV
100 rnV
V
1
10
V
V
100
*The display indicates OOO.OV at 200.0 volts input.
The three least significant digits will flash
and off (blinking action) to indicate an over
voltage condition.
read up to ±20l.7 volts with blinking action.
yond ±20l.7 volts the display will indicate 001.7
volts with blinking action.
Voltage inputs greater than ±200 volts are
not recommended since damage to the instru
ment may result.
S .
FIGURE
OPERATING INSTRUCTIONS
The Model 616 provides
The RANGE Switch (SlOl) permits
to 100 volts full range.
These positions correspond to full range
Table 3-1.
Position
See paragraph 3-4c
TABLE 3-1.
Voltage Sensitivity Settings
Full Range
.01000 V
.1000
V
V
1.000
10.00
V
V
100.0
The display will continue to
CAUTION
Typical Display on 10 mV
The Model 616
The VOLT func
The front panel
As
the switch
six is the
Maximum
±
.01999 V
±
.1999
V
±
V
1.999
±
19.99
V
±
199.9
V'
00
Be
Sensitivity.
5
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