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4180, 4181
Precision Infrared Calibrator
Technical Guide
March 2013, Rev. 1, 11/20
© 2013-2020 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
LIMITED WARRANTY AND LIMITATION OF LIABILITY
Each Fluke product is warranted to be free from defects in material and workmanship under normal use and
service. The warranty period is one year and begins on the date of shipment. Parts, product repairs, and services
are warranted for 90 days. This warranty extends only to the original buyer or end-user customer of a Fluke
authorized reseller, and does not apply to fuses, disposable batteries, or to any product which, in Fluke's opinion,
has been misused, altered, neglected, contaminated, or damaged by accident or abnormal conditions of operation
or handling. Fluke warrants that software will operate substantially in accordance with its functional specifications
for 90 days and that it has been properly recorded on non-defective media. Fluke does not warrant that software
will be error free or operate without interruption.
Fluke authorized resellers shall extend this warranty on new and unused products to end-user customers only but
have no authority to extend a greater or different warranty on behalf of Fluke. Warranty support is available only if
product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price.
Fluke reserves the right to invoice Buyer for importation costs of repair/replacement parts when product purchased
in one country is submitted for repair in another country.
Fluke's warranty obligation is limited, at Fluke's option, to refund of the purchase price, free of charge repair, or
replacement of a defective product which is returned to a Fluke authorized service center within the warranty
period.
To obtain warranty service, contact your nearest Fluke authorized service center to obtain return authorization
information, then send the product to that service center, with a description of the difficulty, postage and insurance
prepaid (FOB Destination). Fluke assumes no risk for damage in transit. Following warranty repair, the product will
be returned to Buyer, transportation prepaid (FOB Destination). If Fluke determines that failure was caused by
neglect, misuse, contamination, alteration, accident, or abnormal condition of operation or handling, including
overvoltage failures caused by use outside the product's specified rating, or normal wear and tear of mechanical
components, Fluke will provide an estimate of repair costs and obtain authorization before commencing the work.
Following repair, the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the
repair and return transportation charges (FOB Shipping Point).
THIS WARRANTY IS BUYER'S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. FLUKE SHALL NOT BE LIABLE FOR ANY
SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING LOSS OF
DATA, ARISING FROM ANY CAUSE OR THEORY.
Since some countries or states do not allow limitation of the term of an implied warranty, or exclusion or limitation
of incidental or consequential damages, the limitations and exclusions of this warranty may not apply to every
buyer. If any provision of this Warranty is held invalid or unenforceable by a court or other decision-maker of
competent jurisdiction, such holding will not affect the validity or enforceability of any other provision.
11/99
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Fluke Europe B.V
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
i
Table of Contents
Title Page
Introduction................................................................................................ 1
Contact Fluke Calibration .......................................................................... 1
Safety Information ..................................................................................... 2
Service Information.................................................................................... 3
Specifications and Environmental Conditions ........................................... 3
Product Operation ..................................................................................... 3
Main Screen.......................................................................................... 3
Main Menu............................................................................................ 4
TEMP SETUP .................................................................................. 4
SETUP ........................................................................................ 4
IRT .............................................................................................. 5
IRT ε ........................................................................................... 5
CUTOUT .................................................................................... 5
PROG MENU...................................................................................6
SELECT PROG .......................................................................... 6
PROG OPTION .......................................................................... 7
RUN PROG ................................................................................ 7
SYSTEM MENU...............................................................................7
SYSTEM SETUP ........................................................................ 7
PASSWORD .............................................................................. 8
CALIBRATE ............................................................................... 8
SYSTEM INFO (View Only) ....................................................... 10
VIEW TEMP.....................................................................................10
BLOCK TEMP (View Only) ......................................................... 10
Basic Infrared Thermometry Theory - Relating to the use of the Product . 10
Apparent Temperature.......................................................................... 10
Spectral Response (Wavelength) ......................................................... 11
Emissivity.............................................................................................. 13
Uncertainty Caused by Emissivity....................................................13
Effect of Background Temperature .................................................. 14
Effect of Angle on Emissivity............................................................ 15
Center of Spot.................................................................................. 15
Size of Spot, Size of Source and Scatter......................................... 16
Distance to Target............................................................................16
Knowing the Correct Geometry........................................................16

Produktspecifikationer

Varumärke: Fluke
Kategori: Temperaturregulator
Modell: 4181

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