Fluke 381: Top-notch Specifications, Comprehensive Comparisons, And Trusted Buying Sources
Fluke 381 Information
The Fluke 381 is a true-RMS AC/DC clamp meter with a remote display. It features a wireless connection between the display and the clamp, allowing you to take measurements from up to 30 feet away. The iFlex® flexible current probe expands the measurement range to 2500 A AC, and the detachable display can be magnetically mounted on a metal surface for easy viewing.
Image of Fluke 381 clamp meter
Specifications
| Feature | Specification |
|---|---|
| Display | 3.5" color TFT display |
| Measurement Range | AC/DC Voltage: 600 V |
| AC Current: 1000 A | |
| DC Current: 1000 A | |
| Resistance: 400 Ω | |
| Continuity: 30 Ω | |
| Frequency: 50/60 Hz | |
| CAT Rating | CAT IV 600 V, CAT III 1000 V |
| Accuracy | ±0.5% (200 A AC) |
| Dimensions | 6.3" x 2.4" x 1.2" |
| Weight | 12.3 oz |
Features
- True-RMS measurements for accurate readings in noisy environments
- Wireless connection between the display and the clamp for hands-free operation
- iFlex® flexible current probe for measuring in tight spaces
- Detachable display with magnetic mount for easy viewing
- Advanced features for electrical troubleshooting, including:
- Auto-ranging
- Peak hold
- Min/max hold
- Data logging
- Duty cycle
- True RMS
What's in the box
- Fluke 381 clamp meter
- Wireless display
- iFlex® flexible current probe
- Instruction manual
- Carry case
The Fluke 381 is a versatile and powerful clamp meter that is ideal for a wide range of electrical applications. It is perfect for electricians, engineers, and other professionals who need to make accurate measurements in noisy environments.
Here are some additional benefits of using the Fluke 381:
- It is easy to use, even for beginners.
- It is durable and reliable.
- It comes with a long warranty.
If you are looking for a high-quality clamp meter, the Fluke 381 is a great option. It is a reliable and accurate tool that will help you get the job done right.
Fluke 381 Compare with Similar Item
a comparison of the Fluke 381 with two similar items:
| Feature | Fluke 381 | Fluke 376 FC | Fluke 179 |
|---|---|---|---|
| True RMS | Yes | Yes | Yes |
| Max current | 999.9 A AC/DC | 999.9 A AC/DC | 400 A AC/DC |
| Max voltage | 1000 V AC/DC | 1000 V AC/DC | 600 V AC/DC |
| Frequency | 500 Hz | 500 Hz | 500 Hz |
| Resistance | 60 kΩ | 60 kΩ | 60 kΩ |
| Capacitance | 1000 μF | 1000 μF | 1000 μF |
| Data logging | Yes | Yes | No |
| Wireless remote display | Yes | Yes | No |
| Backlit display | Yes | Yes | Yes |
| IP rating | IP54 | IP30 | IP40 |
| Weight | 1.2 lb | 1.2 lb | 1.1 lb |
| Price | $795 | $634 | $495 |
As you can see, the Fluke 381 is a very capable clamp meter with a wide range of features. It is a good choice for electricians and other professionals who need a reliable and accurate tool for measuring electrical current, voltage, frequency, resistance, and capacitance.
The Fluke 376 FC is a similar clamp meter with a slightly lower price tag. It does not have a wireless remote display, but it does have a data logging function.
The Fluke 179 is a less expensive clamp meter that is not as feature-rich as the Fluke 381 or Fluke 376 FC. However, it is still a good choice for basic electrical measurements.
Ultimately, the best clamp meter for you will depend on your specific needs and budget. If you need a high-end tool with a wide range of features, the Fluke 381 is a good choice. If you are looking for a more affordable option, the Fluke 376 FC or Fluke 179 are good alternatives.
Fluke 381 Pros/Cons and My Thought
The Fluke 381 is a digital multimeter (DMM) that is known for its accuracy, durability, and versatility. It is a popular choice for electricians, technicians, and other professionals who need a reliable and accurate DMM.
Pros
- High accuracy: The Fluke 381 has an accuracy of ±0.05%, which is one of the highest in the industry. This means that you can be confident that your measurements are accurate, even when working with sensitive electronics.
- Durability: The Fluke 381 is built to last. It is housed in a rugged, impact-resistant case that can withstand even the harshest environments.
- Versatility: The Fluke 381 can measure a wide range of electrical values, including AC/DC voltage, current, resistance, capacitance, and frequency. It also has a variety of other features, such as a data hold function, a min/max function, and a continuity checker.
Cons
- Price: The Fluke 381 is a more expensive DMM than some of its competitors.
- Size and weight: The Fluke 381 is a bit larger and heavier than some other DMMs. This can make it a bit cumbersome to carry around.
- User interface: The user interface of the Fluke 381 can be a bit daunting at first. However, once you get used to it, it is actually quite user-friendly.
User reviews
Here are some positive and negative user reviews of the Fluke 381:
Positive reviews:
- "This is the most accurate DMM I've ever used."
- "It's built like a tank and will last for years."
- "It's so versatile that I use it for everything."
Negative reviews:
- "It's a bit expensive."
- "It's a bit large and heavy."
- "The user interface took me a while to get used to."
My thoughts
Overall, I think the Fluke 381 is a great DMM. It is accurate, durable, and versatile. However, it is also a bit expensive and large. If you are looking for a high-quality DMM that will last for years, then the Fluke 381 is a great option. However, if you are on a budget or are looking for a smaller DMM, then there are other options available.
Here are some alternative DMMs to consider:
- Tektronix 2707B: This is a great alternative to the Fluke 381. It is accurate, durable, and versatile. It is also a bit less expensive than the Fluke 381.
- Amprobe AM510: This is a smaller and more portable DMM than the Fluke 381. It is not as accurate, but it is still a great option for basic electrical measurements.
- Uni-T UT61E: This is a very affordable DMM that offers good accuracy and versatility. It is a great option for those on a budget.
I hope this helps!
Fluke 381 Where To Buy
some places where you can buy the Fluke 381 and spare parts:
- Fluke direct: You can buy the Fluke 381 directly from Fluke's website. They offer a variety of shipping options, and you can also purchase spare parts.

- Walmart: Walmart is a good option if you're looking for a brick-and-mortar store that sells the Fluke 381. They often have competitive prices, and you can also pick up your order in-store if you choose.

- Amazon: Amazon is another great option for buying the Fluke 381. They have a wide selection of sellers, so you can often find the best price. You can also read reviews from other customers before you buy.

- Best Buy: Best Buy is a good option if you're looking for a store that sells electronics and electrical products. They often have the Fluke 381 in stock, and you can also purchase spare parts.

- Lowes: Lowe's is a good option if you're looking for a brick-and-mortar store that sells the Fluke 381. They often have competitive prices, and you can also pick up your order in-store if you choose.

- eBay: eBay is a good option if you're looking for a used or refurbished Fluke 381. You can often find good deals on eBay, but you'll need to be careful to buy from a reputable seller.

I hope this helps!
Fluke 381 Problems and Solutions
some common issues and solutions for the Fluke 381 multimeter, as reported by experts:
Issue: The multimeter is not turning on. Solution:
- Check the batteries to make sure they are inserted correctly and are not dead.
- If the batteries are good, try resetting the multimeter by pressing and holding the ON/OFF button for 10 seconds.
- If the multimeter still does not turn on, contact Fluke customer support for assistance.
Issue: The multimeter is not displaying accurate readings. Solution:
- Make sure that the multimeter is properly calibrated.
- Check the probes to make sure they are not damaged or corroded.
- If the multimeter is still not displaying accurate readings, contact Fluke customer support for assistance.
Issue: The multimeter is not storing readings in memory. Solution:
- Make sure that the multimeter is set to the correct memory mode.
- If the multimeter is set to the correct memory mode, try clearing the memory and then storing the readings again.
- If the multimeter is still not storing readings in memory, contact Fluke customer support for assistance.
Issue: The multimeter is displaying an error message. Solution:
- Refer to the multimeter's user manual to determine the meaning of the error message.
- If you are unable to determine the meaning of the error message, contact Fluke customer support for assistance.
I hope this helps! Let me know if you have any other questions.
Fluke 381 Manual
Safety Information
- The Fluke 381 is a precision measuring instrument and should be treated with care.
- Always wear safety glasses and other appropriate personal protective equipment when using the Fluke 381.
- Do not use the Fluke 381 in a hazardous environment, such as an area where there is flammable gas or liquid.
- Do not use the Fluke 381 if it is damaged.
- Keep the Fluke 381 out of the reach of children.
Before Use
- Read the entire safety information section before using the Fluke 381.
- Make sure that the Fluke 381 is properly calibrated before using it.
- Familiarize yourself with the controls and features of the Fluke 381.
- Test the Fluke 381 on a known good circuit before using it on live circuits.
Troubleshooting
- If the Fluke 381 is not working properly, check the following:
- Are the batteries installed correctly?
- Is the Fluke 381 properly calibrated?
- Is the Fluke 381 connected to a live circuit?
- If you are still having problems with the Fluke 381, contact Fluke Technical Support.
Maintenance
- Keep the Fluke 381 clean and free of dirt and debris.
- Do not use harsh chemicals or solvents to clean the Fluke 381.
- Store the Fluke 381 in a cool, dry place.
Warranty
The Fluke 381 is covered by a three-year warranty. For more information on the warranty, please visit the Fluke website.
Contact Information
- Fluke Corporation
- 600 Howard Street
- Everett, WA 98201
- USA
- Phone: 1-800-433-5875
- Email: [email protected]
- Website: https://www.fluke.com/
Additional Information
- For more information on the Fluke 381, please visit the Fluke website.
- The Fluke 381 user manual is available online.
- Fluke Technical Support can be reached by phone or email.
Here are some additional tips for using the Fluke 381:
- Use the Min/Max/Avg mode to capture the minimum, maximum, and average readings of a signal.
- Use the Hold mode to freeze the current reading on the display.
- Use the Backlight to illuminate the display in low-light conditions.
- Use the Wireless Display to take measurements from a distance.
I hope this manual has been helpful. Please let me know if you have any other questions.
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