Fluke 175 vs 177 – What are the Differences? [2025]

The Fluke 175 and Fluke 177 are both high-quality digital multimeters from the renowned Fluke 170 series, designed for professional use in electrical and electronic troubleshooting. While they share many features, there are some key differences between the two models.

Fluke 177 True-RMS Digital Multimeter

Summary of Main Differences

The Fluke 175 and 177 digital multimeters share many similarities, including their robust build, True RMS measurement capabilities, and suitability for professional use.

However, the Fluke 177 has a few notable upgrades, such as a backlit display for improved visibility in low-light conditions and slightly higher accuracy for DC voltage measurements.

These enhancements make the Fluke 177 a better option for environments requiring greater precision and usability in dimly lit settings.

Comparison Table

FeatureFluke 175Fluke 177
True RMS MeasurementsYesYes
DC AccuracyĀ±0.15%Ā±0.09%
AC/DC Voltage RangeUp to 1000VUp to 1000V
Resistance RangeUp to 50 MĪ©Up to 50 MĪ©
CapacitanceUp to 10,000 ĀµFUp to 10,000 ĀµF
Frequency MeasurementUp to 100 kHzUp to 100 kHz
Analog Bar GraphYesYes
BacklightNoYes
Auto/Manual RangingYesYes
Temperature MeasurementNoNo
WarrantyLimited LifetimeLimited Lifetime
PricingCheck PriceCheck Price

Pros and Cons

Fluke 175

  • Pros:
    • High durability and reliability.
    • True RMS functionality for accurate AC readings.
    • Ideal for general troubleshooting and repair.
    • Limited lifetime warranty.
  • Cons:
    • No backlight, making it harder to use in dim environments.
    • Slightly lower accuracy compared to the Fluke 177.

Fluke 177

  • Pros:
    • Backlit display for better visibility in low-light conditions.
    • Higher accuracy for DC voltage readings (Ā±0.09% vs. Ā±0.15% on the 175).
    • Includes all features of the Fluke 175.
  • Cons:
    • Higher price compared to the Fluke 175.

Summary

The Fluke 175 is an excellent choice for general troubleshooting, offering reliability and durability at a lower price point.

However, the Fluke 177 provides added functionality with a backlit display and improved accuracy, making it more suitable for precision work and low-light environments.

Fluke 175 ESFP True RMS Digital Multimeter