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Fluke 179 True RMS Digital Multimeter, 0.09%

Model: 179 | Order No: 179/EFSP

This meter is ideal for professional technicians when repairing or troubleshooting electrical and electronic systems. Its precision, reliability and ease of use makes it ideal when working in messy, loud and high energy places. It is tested for safe use in CAT III 1000 V, CAT IV 600 V environments.

to your 179/EFSP


$314.99 USD

was $349.99

Availability: 10+ in Stock
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Fluke 179 True RMS Digital Multimeter

Versatile meter for maintenance, field service and bench repair.The Fluke 179 True-rms digital multimeter has the features needed to find most electrical and HVAC problems. Simple to use with significant improvements like True-rms, frequency, capacitance, temperature and min-max record.

The Fluke 179 has more measurement functions, conformance to the latest safety standards, and a much larger display with backlight that's easier to view.

Electrical safety

All inputs are protected to measurement CAT III 1000 V and CAT IV 600V. This meter can withstand transient impulses in excess of 8000 V to help protect you from arc blasts resulting from surges and spikes.

Why you need a True-RMS Multimeter

  • Electronic loads with switching power supplies or inverters distort the ac voltage and current sine wave
  • Non true-rms meters can measure up to 40 % low
  • True-rms meters make the most accurate measurements when the sine wave is distorted
TrueRMS Diagram

Key features of the Fluke 179 Multimeter include:

  • Wide 1000 V measurement range
  • True-rms for precise measurement of non linear signals
  • Capacitance, resistance, continuity and frequency
  • Built-in thermometer (179)
  • Large, easy-to-read display
  • Backlight for work in dim areas (177, 179)
  • Min/Max to record signal fluctuations
  • Free your hands with the optional TPAK magnetic hanger

How the 179 Multimeter stacks up against other 170 series multimeters:

Feature 73 77 175 177 179 179/TPK
Max voltage 600 1000 1000 1000 1000 1000
True-RMS no no yes yes yes yes
Temperature no no no no yes yes
Basic dc accuracy 0.3% 0.3% 0.15% 0.09% 0.09% 0.09%
Backlight no no no yes yes yes
Min/Max/Avg no no yes yes yes yes
ToolPak meter hanging kit with magnet - - 0pt 0pt 0pt Included

Key features of the Fluke 179 Multimeter:

  • Wide 1000 V measurement range
  • True-rms for precise measurement of non linear signals
  • Capacitance, resistance, continuity and frequency
  • Built-in thermometer
  • Large, easy-to-read display with analog bargraph and backlight for work in dimly lit areas
  • Min/Max/Avg to record signal fluctuations
  • 0.09% basic accuracy
  • 6000 count resolution
  • Manual and automatic ranging
  • Display Hold and Auto Hold
  • Smoothing mode allows filtering of rapidly changing inputs
  • Easy battery exchange without opening the case
  • Closed case calibration through front panel
  • Measures twice as fast as other multimeters
  • Free your hands with the optional Fluke TPAK magnetic hanger

Safety conformance
All inputs are protected to IEN61010-1 CAT IV 600V/CAT III 1000V. UL, CSA, TÜV listed and VDE Pending

Fluke 179/EFSP Specifications

Voltage
Accuracy AC: ±(1.0% + 3)
DC: ±(0.09% + 2)
Max. Resolution 0.1mV AC/DC
Maximum 1000V AC/DC
Current
Accuracy AC: ±(1.5% + 3)
DC: ±(1.0% + 3)
Max. Resolution 0.01mA AC/DC
Maximum 10A AC/DC
Resistance
Accuracy ±(0.9% + 1)
Max. Resolution 0.1Ω
Maximum 50MΩ
Capacitance
Accuracy ±(1.2% + 2)
Max. Resolution 1nF
Maximum 10,000µF
Frequency
Accuracy ±(0.1% + 1)
Max. Resolution 0.01Hz
Maximum 100kHz
Temperature
Accuracy ±(1.0% + 10)
Max. Resolution 0.1°C
Range -40 to 400°C
Click here for complete specifications on the Fluke 179

Detecting intermittents with a DMM

The elusive electrical intermittent is one of the most difficult problems for anyone to troubleshoot. The difficulty lies primarily in the timing. Being able to look at the symptoms while the problem is present simplifies the troubleshooting process considerably. However, the old adage “A watched pot never boils” seems to be applicable to electrical intermittents as well. Being present, as well as being able to take an electrical measurement while the problem exists, are the two biggest challenges in tracking down an intermittent. There are a number of test tools that can help make the intermittent troubleshooting process a little easier. These tools range from complex signal analyzers and storage oscilloscopes to handheld digital multimeters (DMM). Of course, you may not have these tools available or the location of the problem makes it difficult to bring a large analyzer to the problem site. A DMM may be able to tell you a lot about an intermittent without having to go back to the shop and haul that storage scope to the job site.

DMM features for hunting intermittents

Couple the basic measurement features of a DMM (ac volts, dc volts and resistance) with some form of measurement recording ability, and you have a tool for detecting the symptoms of intermittents. Not too long ago, you could buy a voltage or current measuring tool that was built around a mechanical strip chart recorder. Just place the input on a voltage, or clamp a current transformer around a conductor and the recorder would make progressive marks on a strip of paper fed under the marking pen. The maximum length of the recording was determined by the amount of paper that could be placed on a roll of paper. This same strip chart recorder technique has been incorporated into some of today’s DMMs. Fluke’s 170 and 180 Series DMMs have a feature called MIN MAX AVG Recording Mode. Just like the strip chart recorder, the DMM takes a reading of the input at regular intervals. But instead of saving each reading, it compares the reading to two previously stored values to determine if it is higher than previous highest reading or lower than the previous lowest reading. If it is, the new reading replaces the old value stored in high or low reading register. After allowing the recording process to continue for a period of time, you can recall these registers to the display and see the highest and lowest reading taken during the recording time. As an added bonus, these DMMs will also compute and store the average value of all readings taken during a given time period.

TIP: Do not remove the test leads from the circuit being measured until you have either pressed the HOLD button to stop the recording, or looked at and documented all the stored values. Removing the leads while recording will result in the DMM processing the values present on the disconnected leads and affect the AVERAGE value and possibly the lowest or highest stored values taken during the time the leads were connected to the circuit.

Multimeter safety by the numbers

A common misconception in choosing a multimeter is that as long as you choose one with a high enough voltage rating, you’re covered. However, the voltage rating is only part of the story. Engineers who analyze multimeter safety often discover that failed units were subjected to a much higher voltage than the user thought was being measured. This can occur when a meter, rated for low voltage (1000 V or less), is inadvertently used to measure medium voltage. Or, it can result from a momentary high voltage spike or transient that hits the multimeter input without warning. These transients are “invisible” and largely unavoidable but they occur regularly on low-voltage power circuits, and can reach peak values in the many thousands of volts. Your safety depends on the safety margin built into your meter. And that safety margin is based on several specifications beyond just the voltage rating alone.



The key to safety compliance

How can you tell if you’re getting a genuine CAT IV, CAT III, or CAT II meter? It’s not always easy. A manufacturer can self-certify that its meter is at a certain CAT level without any independent verification. The IEC develops and proposes standards, but it is not responsible for enforcing those standards. So the best way to determine that a meter’s CAT certification is genuine is to look for the symbol and listing number of an independent testing lab such as UL, CSA, TÜV or other recognized approval agency. That symbol can only be used if the product successfully completed testing to the agency’s standard, which is based on national/international standards. UL 61010-1, for example, is based on IEC 61010-1. Beware of wording such as “Designed to meet specification ...” Designer’s plans are never a substitute for an actual independent test.

  • The general rule-of-thumb is that the closer you are to the power source, the higher the CAT number, and the greater the potential danger from transients.
  • The greater the short-circuit current available at a particular point, the higher the CAT number.
  • The greater the source impedance, the lower the CAT number. Source impedance (or total impedance) includes the impedance of the wiring between the point where you are measuring and the power source. Source impedance is what dampens transients.
  • A transient voltage surge suppression (TVSS) device installed at a panel must have higher energy-handling capacity than one installed right at the computer. In CAT terminology, the panel board TVSS is a CAT III application, and the computer is a receptacle-connected load and therefore, a CAT II installation.
  • A single piece of equipment may have more than one category. For example, in office equipment, from the 120 V/240 V side of the power supply back to the receptacle is CAT II. The electronic circuitry, is CAT 0. In building control systems, such as lighting control panels, or industrial control equipment such as programmable controllers, it is common to find electronic circuits (CAT 0) and power circuits (CAT III) existing in close proximity. Always select a multimeter rated to the highest category in which it could possibly be used.

Click here to learn more about "Multimeter Safety by the Numbers".

What's included with the Fluke 179

  • Fluke 179 True RMS Digital Multimeter
  • 80BK Temperature Probe
  • Installed 9V battery
  • Test leads
  • Users manual

Accessories

Click on a category to view a selection of compatible accessories with the Fluke 179 True RMS Digital Multimeter, 0.09%.

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Fluke TLK-220 US SureGrip Industrial Test Lead Kit TLK-220
Set includes AC220, AC285, TP220, and TL224 in zippered vinyl carry case with moveable divider.
$137.69 USD

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Fluke TL80A Basic Electronic Test Lead Set TL80A
1 meter long silicone test lead set, alligator clip and probe tip extender in a soft carrying case.
$81.99 USD

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Fluke TL76 All-in-one Test Lead Set TL76
2mm/4mm 1.5 meter long silicone test leads with right angle shrouded banana plug.
$35.99 USD

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Fluke TL75 Hard Point™ Test Lead Set TL75
Comfort grip probes with PVC insulated, test leads with right-angle shrouded banana plugs.
$25.99 USD

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Fluke TL71 Precision DMM Probe Assembly TL71
Silicone Insulated Test Lead Set with Comfort Grip Probes, Right-Angle.
$31.99 USD

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Fluke TL28A Automotive Test Lead Set TL28A
Heat and cold resistant.
$51.99 USD

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Fluke TL27 Heavy Duty Test Lead Set TL27
DMM test leads (red, black) with safety shrouded, standard diameter banana plugs.
$35.99 USD

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Fluke TL26A 60 in. Telecom 5-Way Test Lead Set TL26A
60" (1.5m), silicone-insulated leads, useable from -80 to 150°C (-112 to 302°F). Rated for 30V, 10A. One red, one black.
$61.99 USD

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Fluke TL238 Test Lead Set for High Energy Environment TL238
Designed for high energy environments. Kit includes Fluke TP238, TP280, TL224.
$81.99 USD

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Fluke TL224 SureGrip Silicone Insulated Test Leads TL224
Designed to improve steadiness with rubber overmolded surfaces and finger-hugging curves.
$31.99 USD

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Fluke TL223 SureGrip Electrical Test Lead Set TL223
Set includes Fluke AC220, TP1, TL224.
$81.99 USD

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Fluke TL221 Suregrip Silicone Test Lead Extension Kit TL221
Test Lead Extension Kit designed to improve steadiness with rubber overmolded surfaces and finger-hugging curves.
$31.99 USD

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Fluke TL220 Suregrip Industrial Test Lead Set TL220
Includes the Fluke AC220, Fluke TP220, and Fluke TL224.
$81.99 USD

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Fluke L210 Probe Light Kit L210
L200 Probe Light and Probe Extenders.
$46.99 USD

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Fluke TLK-225 SureGrip™ Master Accessory Set TLK-225
Kit includes Fluke AC220, AC280, AC283, AC285, TP220, and TL224 all in a 6-Pocket Storage Pouch.
$148.49 USD

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Fluke TP1 Slim Reach Test Probe Set TP1
For probing closely spaced or recessed terminals designed to hold securely in blade type electrical wall sockets.
$20.99 USD

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Fluke TP2 Slim Reach Test Probe Set TP2
For probing closely spaced or recessed terminals compatible with AC72.
$20.99 USD

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Fluke TLK289 Industrial Master Test Lead Set TLK289
Designed for electrical and electronics test in today's industrial environment.
$146.69 USD

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Fluke TLK291 fused test probe set TLK291
For use with Fluke multimeters and test leads.
$81.99 USD

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Fluke TL225 SureGrip Stray Voltage Adapter Test Lead Kit TL225
Voltage Adapter Test Lead Kit makes sure the meter has a low input impedance that eliminates stray voltages and indicates real voltage.
$110.69 USD

was $122.99


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Fluke TP4 Slim Reach Test Probe Set TP4
Designed to fit securely into IEC electrical wall outlets.
$20.99 USD

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Fluke TP 38 Slim Reach Test Probe Set TP38
For probing closely spaced or recessed terminals.
$20.99 USD

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Fluke TP220 SureGrip Industrial Test Probes TP220
For use with TL222 and TL224 test leads provides reliable contact.
$20.99 USD

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Fluke AC283 SureGrip Pincer Clips AC283
Flexible, Insulated, Shrouded Banana Jacks. Pair of Black and Red.
$45.99 USD

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Fluke AC280 SureGrip Hook Clips AC280
Rigid, Insulated, Shrouded Banana Jacks. Pair of Black and Red.
$35.99 USD

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Fluke AC220 SureGrip Alligator Clips AC220
Designed to improve steadiness with rubber overmolded surfaces and finger-hugging curves.
$45.99 USD

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Fluke 80K-6 KV High Voltage Probe 80K-6
High Voltage Probe for Digital Multimeters, 6kV DC/AC.
$125.99 USD

was $139.99


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Fluke 80K-40 High Voltage Probe 80K-40
High Voltage Probe for Digital Multimeters, 40kV DC, 28kV AC.
$215.99 USD

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$251.99 USD

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Fluke AC285 SureGrip Large Alligator Clip AC285
Large alligator clip for test leads used with Fluke meters.
$25.99 USD

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Fluke AC87 Heavy Duty Bus Bar Clip Set AC87
Insulated, Shrouded Banana Jacks. Pair of Black and Red.
$47.99 USD

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Fluke AC89 Heavy Duty Insulation Piercing Test Clip AC89
Insulated, Shrouded Banana Jack. One Red.
$45.99 USD

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Fluke AC120 Alligator Clips AC120
Set of 3 clips color coded (red, gray and black) with insulated probe for safe usage. They accept standard 0.08in (2mm) -pin tip sized probes.
$40.99 USD

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Fluke i3000s Flex-36 AC Current Clamp, 36 inch length I3000S-FLEX-36
36" length, 3000A max, switchable current range for 30A, 300A or 3000A using a 1mA/A, 10mV/A or 100mV/A output and BNC connector.
$575.99 USD

was $639.99


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Fluke i3000s Flex-24 Flexible AC Current Probe, 24 inch length I3000S-FLEX-24
Flexible 24" 3000A AC current probe with BNC terminated lead.
$485.99 USD

was $539.99


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Fluke i400 AC Current Clamp I400
1 Amp to 400 Amps for use with DMMs.
$143.99 USD

was $159.99


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Fluke i410 AC/DC Current Clamp I410
1 to 400 Amps DC/1 to 400 Amps AC. For use with digital multimeters, scope meters and power quality analyzers.
$242.99 USD

was $269.99


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Fluke i400S AC Current Clamp I400S
400A AC current clamp with BNC terminated lead.
$260.99 USD

was $289.99


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Fluke i2000 FLEX Flexible AC Current Probe I2000-FLEX
2000A flexible AC current transformer for Fluke power quality analyzers.
$359.99 USD

was $399.99


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Fluke i1010 AC/DC Current Clamp i1010
Measures 1 A to 1000 A and provides accurate current reading without breaking the circuit.
$382.49 USD

was $424.99


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Fluke i1000s AC Current Probe I1000S
Clamp-On AC current probe used to measure distorted current waveforms and harmonics.
$517.49 USD

was $574.99


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Fluke i3000s AC Current Clamp I3000S
3000A AC current clamp with BNC terminated lead
$566.99 USD

was $629.99


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Fluke i200s AC Current Clamp I200S
200A AC current clamp with BNC terminated lead.
$229.49 USD

was $254.99


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Fluke i200 AC Current Clamp I200
Fuke i200 AC Current Clamp 1 A to 200A compatible with most Fluke multimeters or any other current measurement device that accepts shrouded banana plugs.
$143.99 USD

was $159.99


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Fluke C35 Soft Carrying Case C35
For use with Fluke Multimeters.
$25.99 USD

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Fluke C550 Premium Tool Bag C550
Tool Bag with steel reinforced frame.
$91.79 USD

was $101.99


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Fluke C25 Large Soft Case for Digital Multimeters C25
The C25 carrying case is a durable, zippered carrying case with padding and inside pocket, and high quality polyester exterior. It includes a convenient hand strap and carries most of Fluke's popular digital multimeters.
$41.99 USD

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Fluke C100 Hard Sided Carrying Case C100
Carrying Case for all handheld multimeters.
$60.99 USD

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Fluke TPAK ToolPak Magnetic Meter Hanger ToolPak
Attaches to back of a Fluke 110/170/180 Series Meter, 20/70-III with integrated holster (with adapter), 724/725, and 50 Series II.
$45.99 USD

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Fluke L206 Deluxe LED Hat Light L206
Three super bright white LEDs never burn out attach to hard hat, baseball cap, or panel door.
$50.99 USD

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Fluke L205 Mini Hat Light L205
Rugged, high-intensity Xenon worklight attaches to a baseball cap.
$37.99 USD

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Fluke L200 Probe Light L200
Easily attaches to any Fluke test probe.
$32.99 USD

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$247.49 USD

was $274.99


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Fluke 80PK-8 Pipe Clamp Temperature Probe 80PK-8
Pipe Clamp Temperature Probe.
$163.79 USD

was $181.99


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Fluke 80PK-3A Surface Probe 80PK-3A
Flat Surface Temperature Probe.
$145.79 USD

was $161.99


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Fluke 80PK-27 SureGrip Industrial Surface Temperature Probe 80PK-27
Designed to be compatible with any temperature measuring instrument that accepts Type K thermocouples.
$298.79 USD

was $331.99


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Fluke 80PK-25 SureGrip Piercing Temperature Probe 80PK-25
K-Type, Piercing Temperature Probe, SureGrip.
$109.79 USD

was $121.99


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Fluke 80PK-24 SureGrip Air Temperature Probe 80PK-24
K-Type, Air and Gas Temperature Probe.
$109.79 USD

was $121.99


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Fluke 80PK-22 SureGrip Immersion Temperature Probe 80PK-22
Type K Immersion Temperature Probe designed with a superior gripping surface made from thermoplastic rubber.
$91.79 USD

was $101.99


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Fluke 80PK-1 Bead Probe 80PK-1
K-Type General Purpose Thermocouple Bead Temperature Probe.
$35.99 USD

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Fluke 80BK-A Integrated DMM Temperature Probe 80BK-A
Compatible with Fluke DMMs with temperature measurement functions.
$45.99 USD

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Fluke 80AK-A Thermocouple Adapter 80AK-A
To be used with DMMs and Temperature Probes with K-Type Connector
$30.99 USD

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Review the Fluke Corporation 179

" data-description="This meter is ideal for professional technicians when repairing or troubleshooting electrical and electronic systems. Its precision, reliability and ease of use makes it ideal when working in messy, loud and high energy places. It is tested for safe use in CAT III 1000 V, CAT IV 600 V environments.">