Fluke 175 VS 177 – Which One is Best (2023)

Are you looking for a reliable multimeter to measure voltage, resistance, current, and other electrical test data? If so, you should look into the Fluke 175 or 177 models. These are two of the most widely used multimeters by professionals across all industries. But, in 2023, which model should you buy? This blog post will compare the Fluke 175 vs 177 multimeters to help you make your decision. We’ll go over each device’s price, features, and capabilities to help you decide which one best suits your needs and budget. So join us as we investigate these Fluke digital marvels!

What’s in the box:

  • Fluke 175 True-RMS Digital Multimeter
  • (1 pair) Test Leads
  • 9V Battery (Installed)
  • Quick reference guide
Fluke 177

What’s in the box:

  • Fluke 177 Digital Mutlimeter
  • (1 pair) Test leads
  • 9V Battery (Installed)
  • Quick reference guide

Comparison Table Fluke 175 VS 177


Fluke 175

Fluke 177



True RMS


DC Volt Accuracy



420 g



Difference Between Fluke 175 VS 177:

The Fluke 175 and Fluke 177 are true-RMS digital multimeters with various features to meet the needs of electricians and electrical maintenance professionals.

True RMS:

The Fluke 175 is true-RMS, while the Fluke 177 has both true-RMS and Auto Ranging capabilities. Both models can accurately measure voltage and AC, as well as resistance, temperature, capacitance, and frequency.

Safety Ratings:

The Fluke 175 and the Fluke 177 are independently tested for safe use in CAT IV 600 V/CAT III 1000 V environments.


Both models come with a lifetime warranty for added peace of mind.


The batteries on both models will last up to 400 hours with regular use.


The Fluke 175 is more affordable than the 177, making it a better choice for those on a budget.


The Fluke 175 is accurate to 0.15% of the reading, while the accuracy of the 177 is 0.09%.

Build and Design:

Both models are designed for durability, with rubberized armor for protection against bumps and drops. The Fluke 175 features an ergonomic design that fits comfortably in your hand, while the fluke 177 has a larger display with a backlight for better visibility in dimly lit areas.

Overall, both units provide reliable measurements and advanced features, but if you need Auto Ranging capabilities or higher accuracy readings, then the Fluke 177 may be the right choice.

Fluke 175 True-RMS Digital Multimeter:

Fluke 175 is designed for use in industrial environments. It is safety rated to CAT III 1000 V and CAT IV 600 V, so you can trust that your readings will remain accurate and reliable even when faced with the most challenging conditions. Its ergonomic design provides an integrated protective holster, meaning you can store it without risk of damage or accidental activation.

Plus, it comes with a lifetime warranty – giving you peace of mind that Fluke has your back! Moreover, closed-case calibration through the front panel allows users to easily adjust the meter’s settings according to their needs. With its environmental specifications including Operating temperature from -10°C to +50°C and Storage temperature from -30°C to +60°C, Fluke 175 True-RMS Digital Multimeter is the perfect tool for industrial purposes. If you are looking for a reliable, accurate, and durable multimeter, look no further than Fluke 175 True-RMS Digital Multimeter.

Features of Fluke 175:

True-RMS Measurement:

The Fluke 175 delivers accurate true-RMS AC current and voltage plus frequency, capacitance, resistance, continuity and diode measurements. This ensures that you can take reliable readings in any environment or application – from basic electrical system troubleshooting to more advanced industrial maintenance and repair jobs.

Manual & Automatic Ranging:

With manual ranging mode the user can quickly select the appropriate range for their measurements without having to cycle through each range one at a time. Automatic ranging mode helps speed up testing even further by automatically selecting the best measurement range for your needs.

Display Hold & Auto Hold:

When measuring quickly changing signals, Display Hold freezes the displayed reading until it’s manually cleared. Auto Hold allows you to quickly capture a stable reading without having to constantly watch the display.

Min/Max-Average Recording:

The Fluke 175 can store and recall up to 99 sets of data, each consisting of multiple measurements (Min/Max-Average) taken over time. This makes it easy to track and monitor changing levels across an extended period of time.

Durable Construction:

The Fluke 175 is designed with rugged construction featuring a dust and water resistant rubber boot which helps ensure reliable performance in harsh environments while also extending the life of your multimeter. It also comes with a lifetime warranty for added peace of mind.

  • The Fluke 175 True-RMS Digital Multimeter is an excellent choice for hobbyists and professionals, offering a range of features at an affordable price.
  • It has an impressive design and construction, ensuring it will last a long time.
  • It also comes with added protection against power surges which helps protect your device from damage.
  • One downside to this multimeter is its backlight may not be bright enough for some people.
  • Additionally, while it offers good general accuracy, it may not be as accurate as Fluke’s newer models in this line (e.g., the 177).

FAQS About Fluke 175:

What are the key features of a Fluke 175?

The Fluke 175 True-RMS digital multimeter is designed for professional technicians and electricians. It features accurate, true-RMS measurements and easy-to-use functions such as Min/Max/Average, Data hold, and Auto Hold. It also offers an improved resolution of up to 6,000 counts, making it ideal for troubleshooting complex problems. The Fluke 175 has an auto backlight feature that lets you see clearly in dark working environments.

Does the Fluke 175 provide analog bar graph readings?

Yes! The Fluke 175 provides bar graph readings on its LCD. It has an updated resolution of up to 6,000 counts and a fast update rate of 2.5 readings per second with its bar graph feature. This allows you to diagnose problems quickly and easily accurately.

What type of batteries does the Fluke 175 use?

The Fluke 175 requires two AA alkaline batteries for operation. The unit also features a low-battery indicator that alerts you when it is time to replace the batteries.

Does the Fluke 175 include temperature measurements?

Yes! The Fluke 175 includes temperature measurement capabilities with its built-in thermocouple connector (K-Type). This allows you to measure temperatures from -20°C–1000°C (-4°F–1832°F).

Does the Fluke 175 have a data logging feature?

Yes! The Fluke 175 offers a built-in data logging feature that allows you to store, recall and analyze up to 1000 readings. This feature makes it easy to review data after the fact and diagnose complex problems. Additionally, you can export your logged tasks to a PC via a USB connection.

Fluke 177 True-RMS Digital Multimeter:

Fluke 177 is designed and tested to meet rigorous safety standards, making it safe in CAT IV 600 V/CAT III 1000 V environments. This multimeter offers all the features an engineer needs for troubleshooting and repairing electrical or electronic systems.

The Fluke 177 stands out due to its True-RMS voltage and current measurements, 6000-count resolution, manual and automatic ranging, frequency, capacitance, resistance, continuity, and diode measurements. In addition, it has 0.09% basic accuracy and a digital display with an analog bar graph & backlight feature – simultaneously offering you a limited lifetime warranty!

Features of Fluke 177:


The Fluke 177 can measure twice as fast as other multimeters, providing quick and reliable readings.


The digital display features an analog bar graph and a backlight for easy viewing in any lighting conditions.

Safety Rated:

This multimeter is safety rated CAT III 1000 V and CAT IV 600 V for added protection against electric shock or fire hazards when used properly.

Voltage Measurement Capabilities:

It measures AC and DC voltage up to 1000 volts with precision accuracy.

Additional Features:

In addition to voltage measurements, the Fluke 177 also includes True-RMS AC current and voltage plus frequency, capacitance, resistance, continuity and diode measurements — all with a single instrument.

  • The Fluke 177 provides faster and more accurate testing thanks to its True-RMS feature.
  • It is simple to calibrate so that you can obtain accurate results the first time.
  • A backlight helps you read the display from a distance, making it more accessible in low-light conditions.
  • Good external connectivity
  • There is no suitable battery connector included with the multimeter, meaning users have to buy one to use it properly.
  • Additionally, it is not possible to measure microamps with this digital multimeter model. This may be an issue for applications and measurements requiring microamp readings.

FAQS About Fluke 177:

Does the digital multimeter come with a built-in thermometer?

Yes, the Fluke 177 True-RMS Digital Multimeter has a built-in thermometer that allows it to measure temperatures from -10°C to +50°C. The meter is also designed for use in environments with a range of humidity levels, from 0% – 90% (0°C – 35°C) and 0% – 70 % (35°C – 50°C).

Can I use this multimeter in hazardous environments?

Yes, the Fluke 177 is rated to UL and CSA standards for use in hazardous environments such as those with combustible gases or liquids. It also meets EN 61010-1 safety specifications up to 1000 V CAT III and 600 V CAT IV.

How long is the battery life of this multimeter?

The Fluke 177 True-RMS Digital Multimeter has an alkaline battery life of approximately 200 hours without a backlight.

What kind of warranty does it include?

The Fluke 177 True-RMS Digital Multimeter comes with a lifetime warranty.

What are the measurements and weight of this multimeter?

The Fluke 177 True-RMS Digital Multimeter measures 43 x 90 x 185 mm and weighs 420 g.


Ultimately, choosing the Fluke 175 or 177 depends on what features and capabilities you need in a multimeter. The Fluke 175 is an excellent, cost-effective choice if you want essential accuracy and parts. At the same time, the Fluke 177 offers slightly more advanced features, such as True-RMS and temperature measurements. Ultimately it comes down to personal preference and budget, so be sure to research before purchasing. Whichever you choose, the Fluke 175 or 177 will be sure to meet all your needs with ease and precision.

Related Posts
Fluke 117 Vs 175 Digital Multimeter Comparison 2023
Fluke 117 Vs 175 Digital Multimeter

Are you in the market for a digital multimeter? If so, you likely already know that there are many to Read more

Fluke 117 Vs 87 Multimeters Comparison 2023
Fluke 117 Vs 87 Multimeters Comparison 2023

Are you looking to buy a multimeter but unsure which model best suits your needs and budget? Do not worry Read more

Fluke 787 VS 787B ProcessMeter™ Digital Multimeter
Fluke 787 VS 787B

Are you a professional working in the HVAC industry and tired of constantly dealing with outdated tools? Look no further Read more

Fluke 117 vs 115 Digital Multimeter Comparison 2023
Fluke 117 vs 115 Digital Multimeter

Are you trying to decide between the Fluke 117 and 115 digital multimeters? If so, this blog post is for Read more

Leave a Comment