Last Updated on October 25, 2026
The Fluke 376 FC True RMS AC/DC Clamp Meter with iFlex is a high-performance clamp meter designed for professional electricians, technicians, and engineers. Known for its wireless connectivity, reliable measurements, and flexible current probe, this meter is a strong choice for industrial and commercial electrical work.
As part of the Fluke Connect® family, the Fluke 376 FC allows users to view measurements remotely, record electrical data, and share results through a compatible mobile device. It also offers advanced features that make troubleshooting motors, electrical panels, and variable-frequency drives easier.
Key Features of the Fluke 376 FC Clamp Meter
The Fluke 376 FC clamp meter combines accurate electrical measurements with several useful features for professional troubleshooting.
- True RMS measurements: Provides reliable readings on non-linear electrical loads, including equipment with variable-frequency drives.
- iFlex® flexible current probe: Extends the AC current measurement range to 2500 A and provides easier access around large conductors in crowded electrical panels.
- Fluke Connect® compatibility: Supports wireless viewing, recording, and sharing of measurements through the Fluke Connect app.
- Large backlit display: Makes readings easier to see in poorly lit work areas.
- Min/Max/Average recording: Helps identify electrical variations during troubleshooting and preventive maintenance.
- CAT IV 600 V / CAT III 1000 V safety rating: Designed for demanding electrical measurement environments when used within the specified limits.
- Frequency, inrush, and capacitance measurements: Provides additional troubleshooting capabilities without requiring a separate instrument for every task.
- Integrated low-pass filter: Helps improve measurement accuracy when working with variable-frequency drives and other non-linear signals.
- DC millivolt measurement: Includes a 500 mV DC range for compatible accessories and specialized measurements.
Manufacturer Specifications – Fluke 376 FC
The following specifications cover the main electrical and physical capabilities of the Fluke 376 FC True RMS AC/DC Clamp Meter with iFlex.
| Parameter | Specification |
|---|---|
| AC Current with Jaw | Up to 999.9 A (True RMS) |
| AC Current with iFlex® | Up to 2500 A (True RMS) |
| DC Current with Jaw | Up to 999.9 A |
| AC/DC Voltage | Up to 1000 V |
| DC Millivolts | Up to 500.0 mV |
| Frequency | 5.0 Hz to 500.0 Hz (jaw and iFlex) |
| Resistance | Up to 60 kΩ |
| Capacitance | Up to 1000 µF |
| Continuity | Audible continuity detection |
| Inrush Current | Yes, motor starting-current measurement |
| Safety Rating | CAT IV 600 V / CAT III 1000 V |
| Connectivity | Fluke Connect® wireless system |
| Display | Backlit digital LCD |
| True RMS | Yes, AC measurements |
| Jaw Opening | 34 mm (approximately 1.3 inches) |
| Operating Temperature | -10°C to +50°C (14°F to 122°F) |
| Storage Temperature | -40°C to +60°C (-40°F to 140°F) |
| Battery Type | 2 × AA alkaline batteries |
| Dimensions | 249 × 85 × 45 mm |
| Weight | 395 g (approximately 14 oz) |
| Warranty | 3-year limited manufacturer warranty; component coverage may vary |
Fluke 376 FC Measurement Accuracy
Measurement accuracy is one of the main reasons professionals choose the Fluke 376 FC. However, accuracy varies depending on the function, measurement range, and operating conditions.
| Measurement | Stated Accuracy |
|---|---|
| AC Current with Jaw | ±(2% + 5 digits), 10–100 Hz; ±(2.5% + 5 digits), 100–500 Hz |
| AC Current with iFlex | ±(3% + 5 digits), 5–500 Hz |
| DC Current | ±(2% + 5 digits) |
| AC Voltage | ±(1.5% + 5 digits), 20–500 Hz |
| DC Voltage | ±(1% + 5 digits) |
| Resistance | ±(1% + 5 digits) |
| Frequency | ±(0.5% + 5 digits) |
| Capacitance | ±(1% + 4 digits) |
These are manufacturer-stated accuracy figures under specified test conditions. Additional errors may apply when using the flexible current probe, especially when the conductor is not positioned correctly.
How the iFlex Flexible Current Probe Works
One of the biggest advantages of the Fluke 376 FC is the included iFlex flexible current probe.
Unlike a traditional clamp jaw, which must fit around a conductor, the iFlex probe uses a flexible loop that can wrap around large or difficult-to-reach conductors. This is particularly useful inside crowded electrical panels and around industrial equipment.
The standard clamp jaws measure up to 999.9 A AC or DC. With iFlex attached, the meter can measure up to 2500 A AC.
However, there are two important limitations:
- The iFlex probe measures AC current only. DC current measurements require the meter’s rigid clamp jaws.
- The flexible loop must surround a single conductor for a normal individual-conductor current measurement. Clamping around both the supply and return conductors can cause their magnetic fields to cancel, producing a misleading reading.
The iFlex probe is available in different lengths, including 18-inch and 36-inch versions. Check the specific product package before purchasing, as the included probe length depends on the model configuration.
Fluke Connect Wireless Features
The Fluke 376 FC works with the Fluke Connect system, allowing technicians to view and document electrical measurements through a compatible smartphone or tablet.
With Fluke Connect, users can:
- View supported live measurements remotely.
- Record and save readings for later review.
- Track changes in electrical measurements over time.
- Share measurement information with team members.
- Maintain digital records for troubleshooting and preventive maintenance.
Remote viewing can also help technicians maintain a safer working position after properly connecting and setting up the instrument. However, wireless operation does not eliminate electrical hazards or replace proper safety procedures.
Before purchasing specifically for wireless functionality, verify current app compatibility with your mobile device and confirm that the features you need are supported.
Pros & Cons of the Fluke 376 FC
Pros
- Accurate True RMS measurements for professional electrical troubleshooting.
- Included iFlex probe measures AC current up to 2500 A.
- Wireless connectivity through the Fluke Connect app.
- Rugged construction designed for industrial work.
- CAT IV 600 V / CAT III 1000 V safety rating.
- Useful inrush current measurement for motor troubleshooting.
- Low-pass filter for working with variable-frequency drives.
- Backlit display and convenient Min/Max/Average functions.
Cons
- More expensive than basic clamp meters.
- Wireless features require a compatible device and app.
- The iFlex probe cannot measure DC current.
- May offer more features than homeowners or occasional users need.
- Does not replace every function of a dedicated digital multimeter.
Applications of the Fluke 376 FC Clamp Meter
The Fluke 376 FC with iFlex is suitable for several professional applications, including:
- Industrial electrical maintenance: Checking current, voltage, and other electrical measurements on industrial machinery.
- Commercial electrical troubleshooting: Testing distribution panels, circuits, and building electrical systems.
- Motor testing: Measuring motor operating current and capturing starting-current conditions.
- High-current measurements: Using iFlex around large conductors where standard clamp jaws cannot fit.
- Preventive maintenance: Recording measurements and comparing them with previous operating conditions.
- VFD troubleshooting: Using True RMS measurements and the integrated low-pass filter when working with compatible adjustable-speed drive systems.
Because the meter is designed for professional electrical work, users should have the training and protective equipment needed for the circuits they are testing.
Buying Guide: Fluke 376 FC True RMS AC/DC Clamp Meter with iFlex
When choosing a digital multimeter or clamp meter for professional use, the Fluke 376 FC is worth considering. However, its advanced capabilities will not be necessary for every electrician or technician.
1. Do You Need True RMS Accuracy?
If you regularly work with non-linear loads such as variable-frequency drives, modern HVAC equipment, or industrial electronic systems, True RMS technology is an important feature.
Basic average-responding meters may provide inaccurate AC readings when waveforms are distorted. The Fluke 376 FC is designed to measure these signals more reliably within its specified operating limits.
For technicians who frequently troubleshoot industrial electrical equipment, this capability can be particularly valuable.
2. Do You Measure High Currents?
The included iFlex flexible current probe increases AC current measurement capability to 2500 A, making it useful for:
- Large industrial motors.
- High-current electrical distribution systems.
- Commercial power equipment.
- Large conductors in crowded electrical panels.
If you mainly work with small residential circuits, a lower-range clamp meter may be sufficient. However, the extended measurement range gives industrial technicians more flexibility.
3. Do You Need Wireless Connectivity?
Wireless measurement capability is another reason to choose the Fluke 376 FC.
Technicians who regularly document electrical measurements may benefit from the ability to save readings and share information without manually writing everything down.
For occasional electrical testing, wireless features may be less important than basic measurement accuracy and safety.
4. Consider the Safety Rating
The Fluke 376 FC carries a CAT IV 600 V / CAT III 1000 V rating.
These ratings indicate the electrical installation categories and voltage limits for which the instrument is designed. They do not mean the meter makes every high-voltage measurement safe.
Always use appropriately rated test leads and accessories, inspect the equipment before testing, and follow established electrical safety procedures.
Only qualified individuals should perform measurements on hazardous energized circuits.
5. Budget and Long-Term Value
The Fluke 376 FC costs more than many entry-level clamp meters. However, its professional features help justify the higher price for users who need them.
Its main advantages include durable construction, True RMS accuracy, high-current measurement capability, wireless connectivity, and advanced motor troubleshooting functions.
For electricians who depend on these capabilities every day, the additional cost may be worthwhile.
Fluke 376 FC vs. Fluke 375 FC vs. Fluke 374 FC
Before purchasing, it is helpful to compare the Fluke 376 FC with the other models in the 370 FC series.
| Feature | Fluke 374 FC | Fluke 375 FC | Fluke 376 FC |
|---|---|---|---|
| AC Current (Jaw) | 600 A | 600 A | 999.9 A |
| DC Current | 600 A | 600 A | 999.9 A |
| iFlex AC Range | 2500 A (optional probe) | 2500 A (optional probe) | 2500 A (included probe) |
| Frequency | Not available | 5–500 Hz | 5–500 Hz |
| Resistance | 6 kΩ | 60 kΩ | 60 kΩ |
| Fluke Connect | Yes | Yes | Yes |
| Safety Rating | CAT III 1000 V / CAT IV 600 V | CAT III 1000 V / CAT IV 600 V | CAT III 1000 V / CAT IV 600 V |
The Fluke 374 FC is suitable for users who need essential measurements without the higher current capacity of the 376 FC.
The Fluke 375 FC offers additional functions, including frequency measurement and a low-pass filter. It also supports a 2500 A AC iFlex probe, although the probe is not included with every package.
The Fluke 376 FC provides the highest standard jaw current range of the three models and typically includes the iFlex probe, making it the most capable choice for high-current work within this series.
If you are also comparing other Fluke instruments, our guide to the best Fluke multimeters can help you explore additional options.
What’s Included with the Fluke 376 FC?
A standard Fluke 376 FC package generally includes:
- Fluke 376 FC True RMS AC/DC Clamp Meter.
- iFlex flexible current probe (length varies by package).
- TL75 test leads.
- TPAK magnetic hanging strap.
- Two AA batteries.
- Soft carrying case.
- Product instructions and safety information.
Package contents can vary between configurations and sellers, so check the product listing before ordering.
Fluke 376 FC Frequently Asked Questions
1. What makes the Fluke 376 FC different from the Fluke 374 FC and 375 FC?
The Fluke 376 FC offers a higher standard jaw current range of 999.9 A AC/DC. It also includes an iFlex probe in standard configurations, allowing AC current measurements up to 2500 A. All three FC models support wireless connectivity.
2. Does the Fluke 376 FC measure DC current?
Yes. It measures DC current up to 999.9 A using its rigid clamp jaws. The flexible iFlex probe measures AC current only.
3. Is the iFlex flexible probe included with the Fluke 376 FC?
Yes, standard Fluke 376 FC packages include an iFlex flexible current probe. The probe length may vary depending on the specific model or kit.
4. Can the Fluke 376 FC measure capacitance and resistance?
Yes. It measures resistance up to 60 kΩ and capacitance up to 1000 µF, making it useful for several common electrical troubleshooting tasks.
5. Can the Fluke 376 FC measure motor starting current?
Yes. Its inrush current function helps capture motor starting current, which is useful when diagnosing motor startup problems and investigating protective-device operation.
6. Is the Fluke 376 FC suitable for HVAC technicians?
Yes. It is useful for measuring current, voltage, capacitance, and motor inrush current. However, technicians who need dedicated temperature measurements or specialized HVAC functions may prefer a meter designed specifically for those tasks.
7. Does the Fluke 376 FC work without the Fluke Connect app?
Yes. The meter performs its standard electrical measurements independently. The Fluke Connect app is needed for supported wireless viewing, recording, and sharing features.
8. Is the Fluke 376 FC worth buying?
For professional electricians and industrial technicians who regularly measure high currents, troubleshoot motors, or document electrical readings, the Fluke 376 FC offers excellent capabilities. For basic home electrical work, a less expensive clamp meter may be sufficient.
Conclusion
The Fluke 376 FC True RMS AC/DC Clamp Meter with iFlex is a reliable and versatile instrument designed for demanding professional electrical work.
With wireless connectivity, a CAT IV 600 V / CAT III 1000 V safety rating, True RMS measurements, and the ability to measure up to 2500 A AC using the included iFlex probe, it offers a strong combination of performance and flexibility.
Although it costs more than basic clamp meters, its advanced troubleshooting features and professional construction make it a worthwhile option for electricians, maintenance technicians, and engineers who need accurate measurements in challenging working environments.

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