Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service. The warranty period is
three years 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..
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
11/99
This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit (http://www.openssl.org/)
libpng version 1.6.13 - August 21, 2014
Copyright (c) 1998-2014 Glenn Randers-Pehrson
Copyright (c) 1996-1997 Andreas Dilger
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc
zlib version 1.2.8 - April 28th, 2013
Copyright (C) 1995-2013 Jean-loup Gailly and Mark Adler
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
The 279 FC True-rms Thermal Multimeter (the Multimeter or
Product) is a digital multimeter with an integrated thermal
imaging camera.
The Multimeter measures or tests:
•
AC voltage
•
AC current with the iFlex
•
DC voltage
•
Volts/Hertz ratio
•
Resistance
•
Capacitance
•
Continuity
•
Diodes
•
Frequency
Use the IR camera for:
•
Temperature measurements
•
Thermal images
Use the detachable iFlex (Flexible Current Probe) accessory
for:
•
AC current measurement
•
Improved access to awkward-sized conductors and wires
The Multimeter supports the Fluke Connect™ Wireless
System (may not be available in all regions). Fluke Connect™
is a system that wirelessly connects your Multimeter with an
app on your smartphone or tablet. The app shows the
Multimeter measurement or thermal image on your
smartphone or tablet display. You can save these
measurements and images to Fluke Cloud™ storage and
share with your team.
See Fluke Connect™ Wireless System on page 5 for more
information.
1
279 FC
Users Manual
How to Contact Fluke
To contact Fluke, call one of the following telephone numbers:
•
Technical Support USA: 1-800-44-FLUKE
(1-800-443-5853)
Or, visit Fluke's website at www.fluke.com.
To register your product, visit http://register.fluke.com
To view, print, or download the latest manual supplement, visit
http://us.fluke.com/usen/support/manuals
.
.
Safety Information
A Warning identifies conditions and procedures that are
dangerous to the user. A Caution identifies conditions and
procedures that can cause damage to the Product or the
equipment under test.
XW Warning
To prevent possible electrical shock, fire, or
personal injury:
•
Carefully read all instructions.
•
Read all safety information before you use the
Product.
•
Use the Product only as specified, or the
protection supplied by the Product can be
compromised.
•
Comply with local and national safety codes.
Use personal protective equipment (approved
rubber gloves, face protection, and flameresistant clothes) to prevent shock and arc blast
injury where hazardous live conductors are
exposed.
2
•
Examine the case before you use the Product.
Look for cracks or missing plastic. Carefully
look at the insulation around the terminals.
•
Do not use the Flexible Current Probe if it has
damaged insulation, exposed metal, or if the
wear indicator is visible.
•
Do not use test leads if they are damaged.
Examine the test leads for damaged insulation,
exposed metal, or if the wear indicator shows.
Check test lead continuity.
•
The battery door must be closed and locked
before you operate the Product.
•
Do not touch voltages >30 V ac rms, 42 V ac
peak, or 60 V dc.
•
Use Product-approved measurement category
(CAT), voltage, and amperage rated accessories
(probes, test leads, and adapters) for all
measurements.
•
Do not exceed the Measurement Category (CAT)
rating of the lowest rated individual component
of a Product, probe, or accessory.
True-rms Thermal Multimeter
Safety Information
•
Measure a known voltage first to make sure that
the Product operates correctly.
•
Limit operation to the specified measurement
category, voltage, or amperage ratings.
•
Do not use the Product above its rated
frequency.
•
Do not use in CAT III or CAT IV environments
without the protective cap installed on test
probe. The protective cap decreases the
exposed probe metal to <4 mm. This decreases
the possibility of arc flash from short circuits.
•
Do not apply more than the rated voltage,
between the terminals or between each terminal
and earth ground.
•
De-energize the circuit or wear personal
protective equipment in compliance with local
requirements before you apply or remove the
Flexible Current Probe.
3
279 FC
Users Manual
Symbols used on the Product and in this manual are
explained in Table 1.
Table 1. Symbols
SymbolDescriptionSymbolDescription
4
W
X
T
Ã
~
WARNING. RISK OF DANGER.Battery
Consult user documentation.
WARNING. HAZARDOUS VOLTAGE.
Risk of electric shock.
Double Insulated
Conforms to relevant South Korean EMC Standards.
Measurement Category II is applicable to test and measuring circuits connected directly to utilization points (socket outlets and
similar points) of the low-voltage MAINS installation.
Measurement Category III is applicable to test and measuring circuits connected to the distribution part of the building’s lowvoltage MAINS installation.
Measurement Category IV is applicable to test and measuring circuits connected at the source of the building’s low-voltage
MAINS installation.
This product contains a Lithium-ion battery. Do not mix with the solid waste stream. Spent batteries should be disposed of by a
qualified recycler or hazardous materials handler per local regulations. Contact your authorized Fluke Service Center for recycling
information.
This product complies with the WEEE Directive marking requirements. The affixed label indicates that you must not discard this
electrical/electronic product in domestic household waste. Product Category: With reference to the equipment types in the WEEE
Directive Annex I, this product is classed as category 9 "Monitoring and Control Instrumentation" product. Do not dispose of this
product as unsorted municipal waste.
)
P
Certified by CSA Group to North American safety standards.
Conforms to European Union directives.
Conforms to relevant Australian EMC standards.
True-rms Thermal Multimeter
Fluke Connect™ Wireless System
Fluke Connect™ Wireless System
The Multimeter supports the Fluke Connect™ Wireless
System (may not be available in all regions). Fluke Connect™
uses low-power 802.15.4 wireless radio technology to
wirelessly connect the Multimeter with an app on your
smartphone or tablet. The wireless radio does not cause
interference with meter measurements.
The app shows measurements or thermal images on your
smartphone or tablet display, saves to Fluke Cloud™ storage,
and shares the information with your team.
Radio Frequency Data
Note
Changes or modifications to the wireless 2.4 GHz
radio not expressly approved by Fluke Corporation
could void the user’s authority to operate the
equipment.
For complete information about radio frequency data, go to
www.fluke.com/manuals
Data Class B”.
and search for “Radio Frequency
Set Up for Fluke Connect App
The Fluke Connect app works with Apple and Android mobile
products. The app is available for download from the Apple
App Store and Google Play.
To use Fluke Connect:
1.Turn on the Multimeter. See Figure 1.
12
3
Figure 1. Fluke Connect™
4
5
279 FC
Users Manual
2.Press to activate the radio on the Multimeter. shows
on the display.
3.On your smartphone, go to Settings > Bluetooth.
Verify that Bluetooth is turned on.
4.Go to the Fluke Connect App and in the list of connected
Fluke tools, select 279 FC.
You can now take, save, and share measurements with the
app. Go to www.flukeconnect.com
how to use the app.
To send an IR Camera image to the app, see page 16.
for more information about
Before You Start
This section is information to know before you use the
Multimeter.
XWWarning
To prevent possible electrical shock, fire, or
personal injury:
•
Disconnect power and discharge all highvoltage capacitors before you measure
resistance, continuity, capacitance, or a diode
junction.
•
Do not use the HOLD function to measure
unknown potentials. When HOLD is turned on,
the display does not change when a different
potential is measured.
6
On/Off
Push to turn on or turn off the Multimeter.
Hanging Strap
The Multimeter includes a hanging strap that allows you to
hang your Multimeter so you can take measurements handsfree. See Figure 2.
True-rms Thermal Multimeter
Before You Start
1
2
Display Information
Hazardous Voltage
The hazardous voltage warning X shows on the display
when the Multimeter detects a voltage ≥30 V.
Test Lead Alert
The display shows LEAD for a second when you turn the
function switch to or from the position. This is a reminder
to check that the correct accessory is connected.
Display OL
If the measurement value (does not include temperature
measurements) is over the limit, or outside the measurement
range, the Multimeter shows OL in the display.
3
Figure 2. Hanging Strap
4
7
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