SECTION 1
General Information
1.1 INTRODUCTION
This section contains general information about the
Model 486 Picoammeter and the Model 487 Picoamme-
ter/vo1tage S&we.
1.2 FEATURES
Some important Model 486/487 features include:
DualDisplays-Alocharacteralphanumericdisplay
used for current readings and front panel messages,
and a smaller 8 character alphanumeric display for
front panel messages and the voltage source setting of
the Model 487.
zero correct - used to cancel internal offsets.
Relative @EL) -Used to establish baselines.
DataStore-CCanstoreupto512readingsandisacces-
sible over the bus 01 from the front panel.
User Programmed Default Conditions - Establish
present operating setup conditions as power-up de
fault conditions.
Talk-Only - From the front panel, set instnmwnt to
send readings over the bus to a listen-only device,
such as a printer.
V/I ohms resistance measurements up to 5OPQ
(Model 487 only).
Preset (Model 487) toggles between preset V-source
values
1.3 WARRANTY INFORMATION
Warranty information is located on the inside front cover
of this inskwtion manual. Should your Model 486/487
require warranty service, contact the Keithley represen-
tative or authorized repair facility in your area for further
information. when returning the instrument for repair,
be sure to fill out and include the service form at the back
of this manual in order to provide the repair facility with
the necessary information
1.4 MANUAL ADDENDA
Any improvements or changes concerning the instru-
ment or manual will be explained in an addendum in-
cluded with the manual. Be sure to note these changes
and incorporate them into the manual.
1.5
SAFETY SYMBOLS and TERMS
The following symbols and terms may be found on an in-
strument or used in this manual.
The A
symbol on an insinunent indicates that the user
should refer to the operating inskwiions located in the
instmction manual.
The WARNING heading used in this manual explains
dangers that might result in personal injmy or death. Al-
ways read the assodated information very carefully be-
fore performing the indicated procedure.
The CAUTION heading used in this manual explains
hazards that could damage theinstnunent. Such damage
may invalidate the warranty.
1.6 SPECIFICATIONS
Model 486/487 specifications may be found at the front
of this manual.
1.7 INSPECTION
The Model 486/487 was carefully inspected, both electri-
cally and mechanically before shipment. After unpack-
ing all items from the shipping carton, check for any obvi-
ous signs of physical damage that may have occurred
during transit. Report any damage to the shipping agent
immediately. Save the original packing carton for possi-
ble future reshipment. The following items are included
with every Model 4%/487 order.
l-l
To Next Page
Loading...
Need help?
General
