Fluke 279 FC True-rms Thermal Multimeter

Fluke 279 FC True-rms Thermal Multimeter is rated 3.8 out of 5 by 17.
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  • Fluke 279 FC
  • Fluke 279 FC True-RMS
  • Fluke 279 FC True-RMS
  • Fluke 279 FC True-RMS

Key features

  • Full-featured multimeter with built-in thermal imager 
  • 15 measurement functions including voltage ac and dc, resistance, continuity, capacitance, diode test, Min/Max/Avg, current ac with included iFlex current probe
  • Assembled in the USA
  • Three year standard warranty
  • CAT III 1000 V, CAT IV 600 V measurement category
  • Designed for durability, built to withstand a 1 m (3 ft) drop, double insulated with raised rubber holster for increased protection

Product overview: Fluke 279 FC True-rms Thermal Multimeter

Find, repair, validate, and report electrical issues quickly

 

Locate the problem immediately

Thermal imaging multimeters are a first-line troubleshooting tool for electrical equipment that can check hot spots on high-voltage equipment and transformers, and detect heating of fuses, wires, insulators, connectors, splices and switches. Scanning with the 279 FC's thermal imager reveals many electrical issues rapidly and from a safe distance. By combining two tools into one, the thermal multimeter lightens the load and increases productivity.

Expanded functionality

Compatible with iFlex® (a flexible current clamp) to expand your measurement capabilities and get into tight, hard to reach spaces for current measurement (up to 2500 A AC). The large full-color LCD screen makes for easier and clearer viewing of images and readings. The 10 hour+ rechargeable battery keeps you going all day long under normal conditions.

With built-in Fluke Connect®, transmit results wirelessly to a smartphone and save time on reporting to validate work is complete. Troubleshoot better by instantly trending and monitoring measurements live on your smartphone screen. Create and email reports right from the field.

 
 Fluke 115 Field Technicians Digital MultimeterFluke 87V Industrial MultimeterFluke 3000 FC Series Wireless MultimeterFluke 1587 FC Insulation MultimeterFluke 279 FC True-rms Thermal Multimeter
CAT ratingCAT III 600 VCAT III 1000 V
CAT IV 600 V
CAT III 1000 V
CAT IV 600 V
CAT III 1000 V
CAT IV 600 V
CAT III 1000 V
CAT IV 600 V
True-rms readings
Voltage AC/DC600 V1000 V1000 V1000 V1000 V
Current AC/DC10 A10 A400 mA400 mA2500 A AC (with iFlex)
Resistance40 MΩ50 MΩ50 MΩ50 MΩ50 MΩ
Capacitance10,000 μF10,000 μF10,000 μF10,000 μF10,000 μF
Temperature--200.0 °C to 1090 °Cwith t3000 FC-40 °C to 537 °CInfrared camera
-10 °C to 200 °C
Infrared camera----
Additional
measurement
capabilities
Continuity/diode testFrequency,
continuity/diode test,
motor drive (VFD)
measurement,
duty cycle,
microamps, analog
bar graph, relative
reference
Frequency,
continuity/diode test.
Able to connect to
three 3000 FC
modules.
Frequency, Pi/DAR
timed ratio tests,
continuity/diode test, motor drive (VFD)
measurement,
microamps, relative
reference
Frequency,
continuity/diode test,
motor drive (VFD)
measurement

What's in the box:

  • 279 FC Thermal Multimeter
  • 45.72 cm (18 in) iFlex flexible current probe
  • (1 pair) TL175 test leads
  • Rechargeable lithium ion battery and charger
  • Soft carrying case
  • Hanging strap    
  • Quick reference guide

Specifications: Fluke 279 FC True-rms Thermal Multimeter

DMM
Basic dc accuracy0.09%
Bandwidth1% 45 Hz to 65 Hz, full time low pass filter
Voltageac/dc 1000 V
Current ac2500 A with included iFlex Flexible Current Probe
Resistance50 MΩ
Frequency100 kHz
Capacitance9,999 µF
Continuity with beeperYes
Diode testYes
Min/Max recordingYes
Display HoldYes
 
Infrared camera
Infrared resolution102 x 77
Image capture frequency8 Hz
Field of View36° (w) x 27° (h)
NETD≤200 mK
Infrared spectral band7.5 to 14 microns
Center pointYes (with center point temp)
Focus mechanismFixed focus
Temperature Range (selectable °C and °F)-10 °C to 200 °C (14 °F to 392 °F) Accuracy: ±5 °C (9 °F) or (±5% as tested)
Emissivity0.95 fixed
Background compensation20 °C fixed
Memory storageApproximately 100 images (internal)
File formatNon-radiometric .is2
 
General specifications
Battery typeRechargeable lithium ion battery (charge time: 4.5 hours)
Operating temperature-10 °C to 50 °C (14 °F to 122 °F)
Storage temperature-20 ºC to 60 ºC (-4 °F to 140 °F)
Relative humidity0% to 90% (0 °C to 35 °C) (32 °F to 95 °F)
0% to 75% (35 °C to 40 °C) (95 °F to 104 °F)
0% to 45% (40 °C to 50 °C) (104 °F to 122 °F)
Altitude2,000 meters (6,561 feet)
Temperature coefficientAdd 0.1 x specified accuracy for each °C above 28 °C or below 18 °C (°F above 82 °F or below 64° F)
Ingress Protection(IP) IP40 (non-operating)
Wireless frequency2.4 GHz ISM Band, 20 meter range
CertificationsCE, CSA, FCC
Safety complianceIEC 61010-1: Pollution degree 2; IEC 61010-2-033: CAT III 1000 V/CAT IV 600 V
EMCEN 61326-1:2012
Size215.9 x 93.9 x 57.1 mm (8.5 x 3.7 x 2.25 in)
Weight0.793 kg (1.75 lb)
WarrantyLimited three-year warranty

Models: Fluke 279 FC True-rms Thermal Multimeter

Fluke 279 FC/iFlex
Fluke 279 FC/iFlex

Buy it

Includes:

  • 279 FC TRMS Thermal Multimeter
  • 45.72 cm (18 in) iFlex Flexible Current Probe
  • (1 pair) TL175 Test Leads
  • Rechargeable Lithium Ion Battery and Charger
  • Soft Carrying Case
  • Hanging strap
Fluke 279 FC I/B
Fluke 279 FC I/B

Buy it
  • 279 FC True-rms Thermal Multimeter
  • 45.72 cm (18 in) iFlex Flexible Current Probe
  • (1 pair) TL175 Test Leads
  • (2) Rechargeable Lithium Ion Batteries and Charger
  • Soft Carrying Case
  • Hanging strap
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Rated 5 out of 5 by from Excellent IR function for a built-in feature I've had the Fluke 279FC for about 2 full years now and have to say for the IR function being an added feature on a DMM the IR resolution and overall performance is excellent. I can use this tool to pinpoint mechanical issues just as well as narrowing down power connection "hot spots". I've recommended to my manager to consider this meter to be the standard-issue DMM for industrial maintenance techs. The return-on-investment is fast!
Date published: 2024-08-29
Rated 1 out of 5 by from Battery Life I purchased this a year ago and i do not use it very often but every time i go to use it the battery is dead and it takes a long time to charge it. i even charged it and left it out of the meter and it still discharges completely. it would be a great meter if the battery was better.
Date published: 2023-02-09
Rated 1 out of 5 by from Battery was bad out of the box Bought a brand new 279 FC meter (big bucks) and the battery, which was supposed to have shipped with a 30% charge per the manual was dead out of the box. Tried charging it for several hours, never got above one blinking green light out of 5. Replacements cost $170 each. For what these guys charge for a meter, you'd think they would invest SOME time in the battery design. Been buying Fluke for going on 30 years, maybe it's time for a change. Sad.
Date published: 2022-11-22
Rated 1 out of 5 by from Expensive. IR display nice. Flawed basic functions IR view seems to work fine, but horizontal lines mar the display. AC loop does not work.
Date published: 2021-08-05
Rated 3 out of 5 by from Good product, bad service Received my multimeter and had a bad tl175. It took me 2 calls and an email to get the replacements so I could use my alligator clamps. It took me 2 weeks to receive these when they were needed more immediately. The device itself is great and handled everything I needed.
Date published: 2021-06-01
Rated 5 out of 5 by from Much Better than expected This is a truly awesome instrument. Little skeptical about the built-in IR temp display. Turns out, it is super clear and surprisingly handy and has temp readout. Comes with a handy current loop which is a real step up from current clamps. Exceeded my expectations, but then again Fluke products always do.
Date published: 2020-10-25
Rated 5 out of 5 by from Better Than Expeted After comparing the specs on the Fluke 279 and Flir DM284 I bought the Flir because the image quality was 2X better. After receiving the Flir I was disapointed with the image quality. I bought the Fluke. After getting it i compared the image quality of both side by side and the Fluke kills the Flir. The Flir's picture is grainy and not sharp. It has a lot of noise. The Fluke is clear, little noise and if you didn't know ou would think the Fluke had 2X the resolution. The Flir does have some nice MM functions but the Fluke has all you need. Also the Flir has a battery that you need to unscrew 4 bolts to change the battery.
Date published: 2018-09-30
Rated 5 out of 5 by from The Best Tool In My Bag I love this tools, it is literally 5 tools in one and bring unique insight to your issues. Well worth the price!!
Date published: 2017-01-16
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