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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

Find, repair, validate and report electrical issues with Fluke's 279 FC thermal multimeter

  • Safer and rugged: Safety rated CAT III 1000 V, CAT IV 600 V
  • Save time: With built-in Fluke Connect®, transmit results wirelessly to a smartphone
  • Flexibility: Compatible with iFlex® to expand your measurement capabilities and get into tight, hard to reach spaces for current measurement
  • Accurate results: Full-featured multimeter with built-in thermal imager
  • True-RMS AC voltage and current for measuring non-linear signals

Product overview: Fluke 279 FC True-rms Thermal Multimeter

Fluke 279 FC Wireless True-RMS Thermal Digital Multimeter

The 279 FC multimeter is a full-featured multimeter with built-in thermal imager that reveals hot spots that may indicate electrical issues quickly and safely.

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, this thermal multimeter lightens the load and increases productivity.

Expanded functionality

This digital multimeter is 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). This electrical multimeter has a 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.

Communicate your results

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.

Other useful features

  • Full-featured electrical 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, frequency
  • Low-pass filter for troubleshooting adjustable speed drives Thermal imaging reveals hots spots that may indicate electrical issues quickly and safely
  • Two-in-one tool is designed to increase productivity – no need to go back to the truck or office to retrieve a shared camera – so you can do more in less time!
  • iFlex expands your measurement capabilities – get into tight, hard to reach spaces for current measurement (up to 2500 A ac)
  • Save measurements and images while communicating wirelessly with a smart phone up to 20 feet / 6.1 m away (no obstructions)
  • 102x77 image resolution offers immediate visual cues of hot, potentially troublesome areas
  • 3.5 in /8.89 cm color LCD screen
  • Rechargeable lithium ion battery allows for a for a full work day (10+ hours) under normal conditions; a second battery option means you will always have a battery ready to install.
  • Three year standard warranty
  • Auto power off to save battery power
  • 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

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

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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