The Fluke 175 and Fluke 179 are two top-performing digital multimeters in Fluke’s 170 series, trusted by professionals for their accuracy, reliability, and durability.
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This article compares the two, highlighting their key differences to help you choose the best multimeter for your specific tasks.
Summary of Key Differences
The Fluke 175 and Fluke 179 are both versatile and accurate digital multimeters designed for professional use.
The primary distinction is that the Fluke 179 includes a built-in thermometer for temperature measurement (-40°C to 400°C), making it more suitable for HVAC or tasks requiring thermal diagnostics. Additionally, the 179 features a backlight, which is absent in the Fluke 175, aiding visibility in dim environments.
Other specifications, such as True RMS measurement, accuracy, and safety ratings, are nearly identical.
Comparison Table
| Feature | Fluke 175 | Fluke 179 |
|---|---|---|
| True RMS | Yes | Yes |
| Accuracy (DC Voltage) | ±0.15% | ±0.09% |
| Voltage Measurement Range | Up to 1000V (AC/DC) | Up to 1000V (AC/DC) |
| Current Measurement Range | Up to 10A | Up to 10A |
| Resistance Range | Up to 50 MΩ | Up to 50 MΩ |
| Capacitance Measurement | Up to 10,000 µF | Up to 10,000 µF |
| Frequency Range | Up to 100 kHz | Up to 100 kHz |
| Temperature Measurement | Not available | Yes (-40°C to 400°C) |
| Display Backlight | No | Yes |
| Analog Bar Graph | Yes | Yes |
| Hold Functions (Display/Auto) | Yes | Yes |
| Min/Max Recording | Yes | Yes |
| Operating Temperature | -10°C to +50°C | -10°C to +50°C |
| Safety Rating | CAT III 1000V, CAT IV 600V | CAT III 1000V, CAT IV 600V |
| Included Accessories | Test leads, 9V battery, user manual | Test leads, 9V battery, user manual, temperature probe |
| Pricing | Check Price | Check Price |
Pros and Cons of Fluke 175
Pros:
- Accurate True RMS measurement for non-linear loads.
- Durable and reliable with a limited lifetime warranty.
- Cost-effective for general troubleshooting needs.
Cons:
- Lacks a backlight, limiting use in low-light conditions.
- No temperature measurement capability.
Pros and Cons of Fluke 179
Pros:
- Includes a built-in thermometer for temperature readings.
- Backlit display enhances usability in dim environments.
- Superior accuracy for demanding tasks.
Cons:
- Higher price compared to the Fluke 175.
- Overkill for users not requiring temperature measurements or backlight.
Which Should You Choose?
- Fluke 175: Best for professionals needing a rugged, reliable multimeter for general electrical troubleshooting. Its straightforward feature set and affordability make it ideal for everyday use.
- Fluke 179: A better choice for technicians who require temperature measurements or frequently work in dim environments. It offers enhanced functionality with the backlight and built-in thermometer, making it versatile for both electrical and HVAC applications.
Both models share exceptional durability, safety ratings, and precision, ensuring that either will be a valuable tool for professional use.
