Line Power-The Model 617 is designed to operate from
105-125V or 210-250V power sources. A special power trans-
former may be installed for 90-1lOV and 195-235V ranges.
The factory set range is marked on the rear panel of the in-
strurnent. Note that the line plug is designed to mate with the
supplied 3-wire power cord.
CAUTION
Do not attempt to operate the instrument
on a supply voltage outside the indicated
range, or instrument damage might occur.
Line Voltage Selection-The operating voltage of the instru-
ment is internally selectable. Refer to Section 7 for the pro-
cedure to change or verify the line voltage setting,
Line Frequency-The Model 617 may be operated from either
50 or 60Hz power sources.
IEEE-488 Primary Address-If the Model 617 is to be pro-
grammed over the IEEE-488 bus, it must be set to the arrect
primary address. The primary address is set to 27 at the fac-
tory, but it may be programmed from the front panel as
described in Section 3.
1.11 REPACKING FOR SHIPMENT
Before shipping, the instrument should be carefully packed in
its original packing material.
If the instrument is to be returned to Keithley Instruments for
repair or calibration, include the following:
Write ATTENTION REPAIR DEPARTMENT on the ship-
ping label.
Include the warranty status of the instrument.
Complete the service form at the back of this manual.
1.12 ACCESSORIES
The following accessories are available to enhance Model 617
capabilities.
Models 1019A and 1019s Rack Mounting Kits-The Model
1019A is a fiied or stationary rack mounting kit with two
front panels provided to enable either single or dual side-by-
side mounting of the Model 617 or other similar Keithley in-
strument. The Model 1019s is a similar rack mounting kit
with a sliding mount configuration.
Model 6011 and 6011-10 Triaxial Cables-The Model 6011 is
made up of 3 feet of triaxial cable that is terminated with a
trim plug on one end and 3 alligator clips on the other end.
The Model 6011-10 is a similar cable 10 feet in length. Note
that the Model 6011 is supplied with the Model 617.
Model 6012 Triax to UHF Adapter-The Model 6012 allows
the Model 617 to be used with accessories having UHF type
co”nectors.
Model 6lOlA Shielded Test Lead-The Model 610lA is a
straight through probe and shielded lead equipped with 0.8m
(3O”) of shielded low noise cable terminated by a Teflon-
insulated UHF connector. The Model 6012 must be used to
adapt the Model 6101A to the Model 617 triaxial input.
Model 6103C Voltage Divider Probe-The Model 6103C ex-
tends Model 617 voltage measurement range to 30kV. The
Model 6103C has a division ratio of 1OOO:l with a nominal
accuracy of 5%. The probe has an input resistance of 4.5 x
10110 and is equipped with a UHF male plug. The Model 6012
adapter must be used to connect the Model 6103C to the
Model 617.
Model 6104 Test Shield-The Model 6104 facilitates
resistance, voltage, or current measurements with either 2- or
3-terminal guarded connections at voltages up to 1200V. The
Model 6104 provides excellent electrostatic shielding and high
isolation resistance. Clips plug into banana jacks, allowing
custom connections. The Model 6104 has a BNC camector
on one side and binding posts on the other. The Model 6147
adapter (below) is required to connect the Model 6104 to the
Model 617.
Model 6105 Resistivity Chamber-The Model 6105 is a
guarded test fixture for measuring voltage and surface
resistivities. The unit assures good electrostatic shielding and
high insulation resistance. The complete system requires the
use of an external high-voltage supply such as the Model 247
as well as the Model 617. Volume resistivity up to 105Q/cm
and surface resistivity up to 1018Q can be measured in accor-
dance with ASTM test procedures. Sheet samples 64 to
102mm (2Yz X 4”) in diameter and up to 6.4mm (IA”)
thickness can be accommodated. Excitation voltages up to
1OOOV may be used.
Model 6146 Triax Tee Adapter-The Model 6147 allows the
simultaneous connection of two triaxial cables to the single
triaxial input of the Model 617.
Model 6147 Triax to BNC Adapter-The Model 6147 allows
the Model 617 input to be connected to accessories having
BNC connectors.
Model 6171 and 6172 3 Lug-to-2 Lug Adapters-The Model
6171 is a 3 lug male-to-2 lug female triaxial adapter, while the
Model 6172 is a 2 lug male-to-3 lug female triaxial adapter.
1-3
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