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Fluke 177 True RMS Digital Multimeter with backlight-
Downloads: datasheet manual

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Fluke 177 True RMS Digital Multimeter with backlight

Model: 177 | Order No: 177/EFSP

Troubleshoot and repair problems in electrical and electronic systems. Additionally, this meter is ideal for professional technicians due to its precision, reliability, and ease of use, along with a CAT IV 600 V/ CAT III 1000V rating.

Traceable Calibration Certificate for your 177/EFSP True RMS Digital Multimeter with backlight

$390.38 USD

was $478.99

Availability:
5 in Stock


Fluke 177 Offers

Versatile meter for maintenance, field service and bench repair.

The Fluke 177 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 and min-max record.

The Fluke 177 has more measurement functions, conformance to the latest safety standards, and a much larger display with backlight that's easier to view.

Check the features and specifications using the tabs above.

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.
Want a better price see the Fluke 175
Also available with temperature as Fluke 179

Fluke 177 Specifications

Voltage DC
Accuracy ±(0.09% + 2)
Maximum Resolution 0.1 mV
Maximum 1000 V
Voltage AC
Accuracy ±(1.0% + 3)
Maximum Resolution 0.1 mV
Maximum 1000 V
Current DC
Accuracy ±(1.0% + 3)
Maximum Resolution 0.01 mA
Maximum 10 A
Current AC
Accuracy ±(1.5% + 3)
Maximum Resolution 0.01 mA
Maximum 10 A
Resistance
Accuracy ±(0.9% + 1)
Maximum Resolution 0.1 Ω
Maximum 50 MΩ
Capacitance
Accuracy ±(1.2% + 2)
Maximum Resolution 1 nF
Maximum 10,000 µF
Frequency
Accuracy ±(0.1% + 1)
Maximum Resolution 0.01 Hz
Maximum 100 kHz
Environmental Specifications
Operating Temperature 14 to 122°F (-10 to 50°C)
Storage Temperature -22 to 140°F (-30 to 60°C)
Humidity (Without Condensation) 0 to 90% at 32 to 95°F (0 to 35°C)
0 to 70% at 95 to 122°F (35 to 50°C)
Safety Specifications
Overvoltage Category EN 61010–1 to 1000 V CAT III
EN 61010–1 to 600 V CAT IV
Agency Approvals UL, CSA, TÜV listed and VDE Pending
General Specifications
Battery Life Alkaline approximately 200 hours typical, without backlight
Dimensions 1.7 x 3.5 x 7.3" (43 x 90 x 185 mm)
Weight 14.8 oz (420 g)
Click here for complete specifications on the Fluke 177

What's included with the Fluke 177

  • Multimeter
  • Test Leads
  • Temperature Probe
  • 9 V Battery (Installed)
  • User Manual

Accessories

Click on a category to view a selection of compatible accessories with the Fluke 177 True RMS Digital Multimeter with backlight.

Fluke TL175 TwistGuard Test Leads Set TL175
Built from WearGuard lead wire and silicone insulation, this test lead has an adjustable tip shroud that retracts and extends from 0.75 to 0.16" when you twist it. Additionally, the patented TwistGuard design allows easy adjustments to reduce or increase tip exposure to comply with new electrical safety requirements.
$39.93 USD

was $48.99


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Fluke TL27 Heavy Duty Test Lead Set TL27
DMM test leads (red, black) with safety shrouded, standard diameter banana plugs.
$47.26 USD

was $57.99


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Fluke TL26A 5-Way Test Lead Set, 60" TL26A
Provides five different ways to connect to terminals, this test lead set features 60" (1.5 m), silicone-insulated leads, useable from -112 to 158°F (-80 to 70°C), and is rated for 30 V, 8 A.
$79.05 USD

was $96.99


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Fluke TL238 SureGrip Test Lead Set for High Energy Environments TL238
Designed for high energy environments, this kit comes equipped with the TP238, TP280, and TL224.
$100.24 USD

was $122.99


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Fluke TL223 SureGrip Electrical Test Lead Set TL223
Designed for your comfort so you can focus on taking accurate measurements, this handy all-in-one kit comes equipped with a SureGrip alligator clip set, slim-reach test probes (flat bladed), and SureGrip silicone test lead set.
$96.16 USD

was $117.99


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Fluke TL221 SureGrip Test Lead Extension Set TL221
Features over molded surfaces and finger-hugging curves for a more comfortable and reliable grip, this test lead extension set is designed to improve steadiness in slippery hands.
$38.30 USD

was $46.99


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Fluke TL220 Suregrip Industrial Test Lead Set TL220
Includes the Fluke AC220, Fluke TP220, and Fluke TL224.
$96.16 USD

was $117.99


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Fluke TL28A Automotive Test Lead Set TL28A
Features flexible silicone insulated leads are heat and cold resistant and are Cat I 30 V, 10 A rated.
$69.27 USD

was $84.99


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Fluke TL71 Premium Right Angle Test Lead Set TL71
Comfort grip probes with flexible silicone-insulated, right-angle test leads. They are heat and cold resistant, with a safety rating of CAT II 1000 V, 10 A.
$37.48 USD

was $45.99


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Fluke TL75 Hard Point Test Lead Set TL75
Offers the convenience of a test lead and probe-in-one unit with a variety of connections. One pair (red, black) comfort grip probe with PVC insulated right angel shrouded 0.16" (4 mm) banana plugs.
$31.78 USD

was $38.99


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Fluke TLK-225 SureGrip Master Accessory Set TLK-225
Perfect replacement kit provides flexibility and comfort with all SureGrip™ leads and probes in a convenient six pocket, roll-up pouch.
$199.67 USD

was $244.99


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Fluke TLK-220 US SureGrip Industrial Test Lead Kit TLK-220
A handy all-in-one kit that is ideal for industrial applications. Additionally, this test lead kit comes equipped with AC220 SureGrip alligator clip set, AC285 SureGrip large jaw alligator clip set, TP220 sharp test probes, TL224 SureGrip silicone right to straight test leads, and a carrying case.
$189.89 USD

was $232.99


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Fluke TL76 Test Lead Set TL76
Pair of red, black silicone test leads with right angle shrouded 0.16" (4 mm) banana plugs.
$46.45 USD

was $56.99


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Fluke 85RF High-Frequency Probe, 500 Mhz 85RF-II
A high-frequency probe designed to convert a DC voltmeter with an input impedance of 10 MΩ into a high frequency (100 kHz to 500 Mhz) RF voltmeter. Additionally, it's probe's DC output is calibrated to equal the RMS value of sine wave input.
$350.45 USD

was $430.00


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Fluke 80PK-11 Type-K Velcro Thermocouple Temperature Probe 80PK-11
$61.93 USD

was $75.99


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Fluke 80PK-8 Pipe Clamp Temperature Probe 80PK-8
Uses Type-K thermocouple for fast temperature and superheat measurements of pipe surfaces. Designed to reliably measure the temperature of pipes ¼" (6 mm) to 1⅜" (35 mm) in diameter, at temperatures between -20 and 300°F (-29 and 149°C), while retaining a long service life.
$212.71 USD

was $260.99


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Fluke 80PK-3A Surface Temperature Probe 80PK-3A
Compatible with any temperature measuring instrument that accepts type K thermocouples and features a miniature connector input. Additionally, this surface temperature probe is ideal for measuring the temperature of flat or slightly convex surfaces, with an exposed junction to allow direct contact with the surface being measured.
$193.96 USD

was $237.99


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Fluke 80PK-27 SureGrip Industrial Surface Temperature Probe 80PK-27
Compatible with any temperature measuring instrument that accepts type K thermocouples features a miniature connector input and a cold reference junction compensation. Additionally, this industrial surface temperature probe is ideal for surfaces in rugged environments.
$379.78 USD

was $465.99


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Fluke 80PK-26 SureGrip Tapered Temperature Probe 80PK-26
Features a tapered tip, making this tapered temperature probe ideal for use in air, non-caustic gas, and surface applications.
$149.14 USD

was $182.99


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Fluke 80PK-25 SureGrip Piercing Temperature Probe 80PK-25
A K type thermocouple probe that is suitable for the food industry, liquids, and gel.
$149.14 USD

was $182.99


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Fluke 80PK-24 SureGrip Air Temperature Probe 80PK-24
A K type thermocouple probe ideal for use in air and non-caustic gas measurements. Additionally, this air temperature probe features a bead protected by perforated baffle.
$149.14 USD

was $182.99


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Fluke 80PK-22 SureGrip Immersion Temperature Probe 80PK-22
Compatible with any temperature measuring instrument that accepts K type thermocouples and features a miniature connector input. Additionally, this immersion temperature probe is for use in liquid and gels, and can also be used as a general-purpose probe.
$126.32 USD

was $154.99


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Fluke 80PK-1 Bead Probe 80PK-1
A K type thermocouple ideal for general purpose applications.
$57.04 USD

was $69.99


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Fluke 80K-40 High Voltage Probe 80K-40
Designed to extend the voltage measuring capability of an AC/DC voltmeter to 40,000 V peak AC or DC Overvoltage Category I. The probe provides high accuracy when used with a voltmeter having 10 MΩ input impedance. Intended for low energy applications.
$303.17 USD

was $371.99


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Fluke 80K-15 High Voltage Probe 80K-15
Designed to extend the voltage measuring capability of an AC/DC voltmeter to 15,000 V peak AC or DC Overvoltage Category I. The probe provides high accuracy when used with a voltmeter having 10 MΩ input impedance. Intended for low energy applications.
$335.77 USD

was $411.99


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Fluke 80T-150U Universal Temperature Probe 80T-150UA
A self-contained temperature-to-voltage converter, this probe is designed to provide a direct temperature reading when it is connected to any high impedance DMM capable of 1 mV resolution, and at least a 300-count full-scale readout capability.
$335.77 USD

was $411.99


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Fluke L215 SureGrip Kit with probe light and probe extender L215
Ideal for high-energy environments. Additionally, this kit comes equipped with a probe extender and probe light, which allows users to illuminate those hard-to-reach areas.
$141.81 USD

was $174.00


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Fluke L210 Probe Light Kit L210
Comes in a small and rugged design, this probe light kit liberates the users' hands for work. Additionally, it features a bright white LED and fits between the modular test probe and test lead.
$70.09 USD

was $86.00


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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.
$68.46 USD

was $84.00


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Fluke L205 Mini Hat Light L205
Rugged, high-intensity Xenon worklight attaches to a baseball cap.
$44.01 USD

was $54.00


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Fluke CXT170 CXT170
Rugged Pelican Hard Case for the Fluke 170 Series.
$233.08 USD

was $285.99


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Fluke C11XT Protective EVA Hard Tool Case, 9.4 x 6.1" C11XT
Durable and high quality, this 9.4 x 6.1" (240 x 155 mm) tool case is designed to fit most smaller multimeters, process meters, temperature meters, and similarly-sized products. Made from 600D EVA foam, this case features a zipped pocket for accessories and a mesh pocket for multimeters and other tools.
$38.30 USD

was $46.99


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Fluke C550 Premium Tool Bag C550
Tool Bag with steel reinforced frame.
$119.80 USD

was $146.99


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Fluke C25 Large Soft Carrying Case for digital multimeters C25
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.
$48.08 USD

was $58.99


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Fluke C125 Soft Meter Case for Fluke Multimeters C125
Soft zippered carrying case with detachable external pouch. To be used with the 120-series, multimeters and testers.
$60.31 USD

was $74.00


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Fluke TB25 Tool Bucket Organizer Bag, 5.2 gal TB25
Durable and rugged, this tool bucket organizer bag has a 5.2-gallon capacity that can be relied on to protect and safely carry a variety of test tools and accessories. With its waterproof hard bottom shell, this versatile organizer has a total of 28 pockets that can fit hand tools, DMMs, clamp meters, test probes, and more.
$93.72 USD

was $114.99


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Fluke TPAK ToolPak Magnetic Meter Hanger ToolPak
Hang your meter in a variety of ways for convenient hands-free operation. Attaches to most Fluke meters.
$48.08 USD

was $58.99


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Fluke TP4 Slim Reach Test Probe Set TP4
Features hard stainless steel probe tips, this slim reach test probes set is designed to fit securely into IEC electrical wall outlets.
$26.89 USD

was $32.99


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Fluke TP38 Slim Reach Test Probe Set TP38
Comes with hard stainless steel probe tips, this slim reach test probes set comes in one pair of slender probe bodies that for probing closely spaced or recessed terminals. Additionally, they feature an insulated probe tip.
$28.52 USD

was $34.99


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Fluke TP220 SureGrip Industrial Test Probes TP220
For use with the TL222 and TL224. Additionally, these industrial test probes feature 0.5" (12 mm) stainless steel tips that provide reliable contact and flexible finger barrier, which improves grip.
$28.52 USD

was $34.99


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Fluke TP2 Slim Reach Test Probe Set TP2
Ideal for probing closely spaced or recessed terminals, this slim reach test probe set also features hard stainless steel probe tips.
$26.89 USD

was $32.99


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Fluke TP1 Slim Reach Test Probe Set TP1
Features hard stainless steel probe tips and one pair of slender probe bodies, which is ideal for probing closely spaced or recessed terminals. Additionally, it comes in a flat blade design to hold securely in blade type electrical wall sockets.
$26.89 USD

was $32.99


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Fluke i410 AC/DC Current Clamp I410
The current clamp expands the functionality of digital multimeters and measures up to 400 amps for both AC and DC currents. The large clamp claw gives you access to difficult to reach areas.
$290.95 USD

was $356.99


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Fluke i2000 FLEX Flexible AC Current Clamp I2000-FLEX
Utilizing the Rogowski principle, the clamp can be used to measure currents up to 2000 A when used in conjunction with multimeters, recorders, or data loggers. The flexible and lightweight measuring head allows quick and easy installation in hard to reach areas.
$493.88 USD

was $605.99


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Fluke i1010 AC/DC Current Clamp I1010
Highly reliable, measures 1 to 1000 A, and provides accurate current reading without breaking the circuit. This clamp measures both AC and DC with a large jaw, battery-powered Hall-effect probe that gives access to difficult to reach areas.
$471.88 USD

was $578.99


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Fluke i200s AC Current Clamp I200S
A dual-range of 20 A and 200 A ac current clamp with voltage output via a safety insulated BNC connector. A dual banana to BNC adapter is supplied to allow the clamp to be connected to multimeters with banana inputs.
$281.98 USD

was $345.99


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Fluke 80AK-A Thermocouple Adapter 80AK-A
Designed to adapt K type thermocouples mini-connector to dual shrouded banana plug inputs. Additionally, it is ideal for low voltage applications below 30 V AC and 60 V DC.
$44.00 USD

was $53.99


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Fluke 80TK Thermocouple Module 80TK
Thermocouple converter that accepts the output of any K-type thermocouple and converts it to 1 mV per degree (Celsius or Fahrenheit).
$185.81 USD

was $227.99


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Fluke AC220 SureGrip Alligator Clips AC220
Designed to improve steadiness with rubber overmolded surfaces and finger-hugging curves. For use with TL222 and TL224 test leads.
$57.04 USD

was $69.99


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Fluke AC89 Heavy Duty Insulation Piercing Test Clip AC89
Single probe pierces 0.01 to 0.6" (0.25 to 1.5 mm) insulated wire with a small pin allows self-healing of the insulation, and 1000 V, 10 A maximum.
$54.60 USD

was $66.99


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Fluke AC87 Heavy Duty Bus Bar Clip Set AC87
Comes equipped with one pair (red, black) of flat, right angle design for connecting to bus bars, and CAT III 600 V, 5 A rating, CSA listed. Adjustable collar provides two ranges of jaw openings up to 1.81" (30 mm).
$55.41 USD

was $67.99


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Fluke AC283A SureGrip Pincer Clips AC283A
Designed to improve steadiness in slippery hands, and is for use with TL222 and TL224 test leads. Rubber over-molded surfaces and finger-hugging curves give a comfortable, reliable grip so you can focus on making an accurate measurement.
$55.41 USD

was $67.99


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Fluke AC280 SureGrip Hook Clips AC280
Designed to improve steadiness in slippery hands, and is for use with TL222 and TL224 test leads. Rubber over-molded surfaces and finger-hugging curves give a comfortable, reliable grip so you can focus on making an accurate measurement.
$48.08 USD

was $58.99


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Customer Reviews for the Fluke 177