Service Manuals, User Guides, Schematic Diagrams or docs for : Keithley 261 29046C(Model261)

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Model 261
Picoampe:reSource
Instruction Manual

Contains Operating and Servicing Information
WARRANTY
Keithley Instruments, Inc. warrants this product to be free from defects in material and workmanship for a period of 1 yew from date of
shipment.

Keithley Instruments, Inc. warrants the following items for 90 days from the date of shipment: probes, cables. rechargeable batteries,
diskettes. and documentation.

During the warranty period, we will, at our option, either repair or replace any product that proves to bc defective.

To exercise this warranty, write or call your local Keithley representative, or contact Keithley headquarters in Cleveland, Ohio. You will
be given prompt assistance and return instructions. Send the product, transportation prepaid, to the indicated service facility. Repairs
will be made and the product returned, transportation prepaid. Repaired or replaced products are warranted for the balance of the origi-
nal warranty period, or at least 90 days.

LIMITATION OF WARRANTY
This warranty does not apply to delccts resulting from product modification without Keithley's express written consent, or misuse of
any product or part. This warranty also does not apply to fuses, software, non-rechargeable batteries, damage from battery leakage, or
problems arising from normal wear or failure to follow instructions.

THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING ANY IMPLIED
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. THE? REMEDIES PROVIDED HEREIN ARE
BUYER'S SOLE AND EXCLUSIVE REMEDIES.

NEITHER KEITHLEY INSTRUMENTS, INC. NOR ANY OF ITS EMPLOYEES SHALL BE LIABLE FOR ANY DIRECT, INDI-
RECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF ITS INSTRUMENTS AND
SOFTWARE EVEN IF KEITHLEY INSTRUMENTS, INC., HAS BEEN ADVISED IN ADVANCE OF THE POSSIBILITY OF
SUCH DAMAGES. SUCH EXCLUDED DAMAGES SHALL INCLUDE, BUT ARE NOT LIMITED TO: COSTS OF REMOVAL
AND INSTALLATION, LOSSES SUSTAINED AS THE RESULT OF INJURY TO ANY PERSON, OR DAMAGE TO PROPERTY.

Keithley Instruments, Inc. * 28775 Aurora Road * Cleveland, OH 44139 * 216-248-0400 -Fax: 216-248-6168 * http:llwww.kcithley.com
Model 261 Picoampere Source
Instruction Manual

OUTPUT: lPl4A (10-1lA full range) to 1.1 x 10-4A, positive or negative, in eight decade
ranges.
AC&RACY: Exclusive of input drop consideration:
ACCURACY WITH WORST-CASE
10.00 SET-I-ING WITH SETTING
RANGE UOV SOURCE OTHER THAN
SETTING SPAN, AMPERE VOLTAGE) 10.00*
10-7 to KY5 10-7 to 1.1 x lrv4 iO.25% f0.25%
lti 10-s to1cF7 ?a.5 % M.5 %
1w9 10-9 to10-8 MO.6 % ffl.8 %
w-10 lo-l0 to 10-9 fo.6 % il.1 %
lo-11 l&11 to lo-10 ti.6 % a.3 %
lo-12 lo-12 to lo-11 M.7 % il.6 %
lo-12 lo-14 to 10-12 - 32.0 %
`All accuracies are f the percentage given, a.01 x range switch setting.
LONG-TERM STABILITY: Will operate within stated specifications for three months after
calibration. After three months add 0.15% per month to 10-g through 10-12A range setting
accuracy specifications.
TEMPERATURE COEFFICIENT: ffl.l%/"C from 15

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