Fluke T90: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting
Fluke T90 Information
The Fluke T90 is a basic voltage and continuity tester that is ideal for electricians and DIYers. It is a compact and easy-to-use tool that can be used to test AC and DC voltage up to 690V, as well as continuity. The T90 also features a low battery indicator and a backlit display for use in low-light conditions.
Specifications:
| Feature | Specification |
|---|---|
| Voltage range | AC: 12-690V, DC: 12-1000V |
| Continuity range | 0-400 kΩ |
| Audible indicator | Yes |
| Backlit display | Yes |
| Low battery indicator | Yes |
| CAT rating | CAT II 690V |
| Dimensions | 5.2 x 1.8 x 1.2 in (132 x 45 x 30 mm) |
| Weight | 3.2 oz (91 g) |
Features:
- Two-pole voltage detection: The T90 can detect AC and DC voltage up to 690V. This helps to ensure that you are working on a safe circuit before you begin any work.
- Continuity testing: The T90 can be used to test the continuity of electrical conductors. This can help you to identify broken wires or other problems in a circuit.
- Audible and visual indicators: The T90 has both audible and visual indicators that let you know when you have detected voltage or continuity. This makes it easy to work in low-light conditions or when you are wearing gloves.
- Low battery indicator: The T90 has a low battery indicator that lets you know when it is time to replace the batteries. This helps to prevent you from accidentally working on a live circuit with low batteries.
- CAT II 690V rating: The T90 has a CAT II 690V rating, which means that it is safe to use on circuits up to 690V.
What's in the box:
- Fluke T90 voltage and continuity tester
- Two test leads
- Probe tip protector
- Instruction manual
The Fluke T90 is a versatile and reliable tool that is ideal for electricians and DIYers. It is easy to use and has a number of features that make it a safe and effective tool for electrical testing.
Additional information:
- The Fluke T90 is a good value for the price. It is a relatively inexpensive tool that offers a lot of features.
- The T90 is a durable tool that is built to last. It is made with high-quality materials and has a rugged design.
- The T90 is backed by a one-year warranty. This means that you are covered if the tool malfunctions within the first year of purchase.
Overall, the Fluke T90 is a great choice for anyone who needs a basic voltage and continuity tester. It is easy to use, reliable, and affordable.
Fluke T90 Compare with Similar Item
a table comparing the Fluke T90 to some similar items:
| Feature | Fluke T90 | Fluke 115 | Klein Tools ET320 |
|---|---|---|---|
| Price | $599 | $649 | $449 |
| Display | 4.3-inch color touchscreen | 4.3-inch color touchscreen | 3.5-inch color touchscreen |
| Accuracy | ±2% | ±2% | ±3% |
| Range | AC/DC voltage: 600 V, AC current: 100 A, resistance: 40 kΩ | AC/DC voltage: 1000 V, AC current: 100 A, resistance: 40 kΩ | AC/DC voltage: 600 V, AC current: 100 A, resistance: 40 kΩ |
| Features | True RMS, temperature measurement, continuity testing, diode testing, NCV | True RMS, temperature measurement, continuity testing, diode testing, NCV | True RMS, temperature measurement, continuity testing, diode testing, NCV |
| Weight | 1.1 lb | 1.2 lb | 1.2 lb |
| Dimensions | 6.3 x 3.2 x 1.2 in | 6.4 x 3.2 x 1.2 in | 6.3 x 3.2 x 1.2 in |
As you can see, the Fluke T90 is a mid-range multimeter that offers a good balance of features and price. It has a large, clear display and is accurate to ±2%. It also has a number of features that are useful for electricians, such as True RMS, temperature measurement, and continuity testing.
The Fluke 115 is a more expensive multimeter, but it offers a few additional features, such as a higher voltage range and a longer battery life. The Klein Tools ET320 is a less expensive multimeter, but it still offers a good range of features. It is also slightly smaller and lighter than the Fluke T90.
Ultimately, the best multimeter for you will depend on your individual needs and budget. If you are looking for a mid-range multimeter with a good balance of features and price, the Fluke T90 is a great option. If you need a more expensive multimeter with additional features, the Fluke 115 is a good choice. And if you are looking for a less expensive multimeter, the Klein Tools ET320 is a good option.
Fluke T90 Pros/Cons and My Thought
a comprehensive review of the Fluke T90 multimeter, including pros, cons, user reviews, and my thoughts.
Pros:
- The Fluke T90 is a high-accuracy multimeter that is perfect for professional and industrial use.
- It has a wide range of measurement capabilities, including AC/DC voltage, current, resistance, capacitance, frequency, duty cycle, temperature, and continuity.
- The T90 is also very easy to use, with a large, backlit display and a simple menu system.
- It is built to last, with a rugged construction that can withstand even the harshest conditions.
Cons:
- The Fluke T90 is a bit on the expensive side.
- It is also not as portable as some other multimeters on the market.
User Reviews:
Overall, user reviews of the Fluke T90 are very positive. Many users praise the multimeter's accuracy, ease of use, and durability. Some users have also noted that the T90 is a bit expensive, but they agree that it is worth the price for its high quality.
My Thoughts:
I think the Fluke T90 is a great multimeter for professional and industrial use. It is accurate, easy to use, and built to last. However, it is also a bit expensive, so it may not be the best choice for everyone.
Overall, I would highly recommend the Fluke T90 to anyone who needs a high-quality multimeter for professional use.
Here are some additional thoughts on the Fluke T90:
- The T90 is a great choice for electricians, engineers, and other professionals who need a reliable and accurate multimeter.
- The T90's large, backlit display makes it easy to read even in low-light conditions.
- The T90's durable construction makes it a good choice for use in harsh environments.
- The T90's price tag is a bit high, but it is worth it for the quality and features that you get.
I hope this review has been helpful. If you have any other questions, please feel free to ask.
Fluke T90 Where To Buy
some places where you can buy the Fluke T90 and spare parts:
- Fluke Direct: This is the official website of Fluke, so you can be sure that you are getting an authentic product. They also have a wide selection of spare parts available.

- Walmart: Walmart is a great place to find electronics at a good price. They often have the Fluke T90 on sale, and they also have a good selection of spare parts.

- Amazon: Amazon is another great place to find electronics. They have a wide selection of the Fluke T90, and they often have competitive prices.

- Best Buy: Best Buy is a good option if you want to buy the Fluke T90 in person. They have a wide selection of electronics, and they also offer free shipping on orders over $35.

- Lowes: Lowes is a good option if you are looking for a physical store to buy the Fluke T90. They have a limited selection of the T90, but they do have a good selection of spare parts.

- eBay: eBay is a good option if you are looking for a good deal on the Fluke T90. You can often find used or refurbished T90s on eBay for a fraction of the price of a new one.

I hope this helps!
Fluke T90 Problems and Solutions
some common issues and problems with the Fluke T90 and their solutions, as provided by experts:
Issue: The Fluke T90 will not turn on. Solution:
- Check the batteries to make sure they are inserted correctly and are not dead.
- If the batteries are good, try resetting the T90 by pressing and holding the power button for 10 seconds.
- If the T90 still does not turn on, contact Fluke customer support for further assistance.
Issue: The Fluke T90 is not displaying accurate readings. Solution:
- Make sure that the probes are properly connected to the T90.
- Check the connections to the test leads to make sure they are secure.
- If the readings are still not accurate, try calibrating the T90.
- If the T90 is still not displaying accurate readings, contact Fluke customer support for further assistance.
Issue: The Fluke T90 is giving an error message. Solution:
- Check the error message to see what the problem is.
- If the error message is not clear, consult the Fluke T90 troubleshooting guide.
- If you are still unable to resolve the issue, contact Fluke customer support for further assistance.
I hope this helps!
Fluke T90 Manual
Fluke T90 Two-pole Voltage and Continuity Tester
Safety Information
- This product is intended for use by qualified electrical personnel only.
- Always wear safety glasses when using this product.
- Do not use this product in wet or damp conditions.
- Do not use this product if it is damaged.
- Do not exceed the rated voltage.
- Keep this product out of the reach of children.
Before Use
- Check the batteries before use.
- Make sure the probes are properly inserted into the tester.
- Test a known voltage to make sure the tester is operating correctly.
Troubleshooting
- If the tester does not turn on, check the batteries.
- If the tester is not indicating voltage, make sure the probes are properly inserted into the tester and that the circuit is energized.
- If the tester is indicating voltage when there is no voltage present, the tester may be defective.
Maintenance
- Keep the tester clean and free of dirt and debris.
- Do not use harsh chemicals or solvents to clean the tester.
- If the tester is damaged, do not attempt to repair it. Contact Fluke for service.
Warranty
- This product is warranted to be free from defects in materials and workmanship for a period of one year from the date of purchase.
- If the product is found to be defective during the warranty period, Fluke will repair or replace it, at its option.
Contact Information
- Fluke Corporation
- 6950 E. 116th Street
- Everett, WA 98204
- USA
- Phone: 1-800-443-5853
- Website: https://www.fluke.com/
Additional Information
- The Fluke T90 is a two-pole voltage and continuity tester.
- It can be used to test AC and DC voltage, continuity, and resistance.
- The tester has a CAT IV 600 V, CAT III 690 V safety rating.
- The tester comes with a set of probes, a battery, and a carrying case.
Here are some additional tips for using the Fluke T90:
- Always test for voltage before working on a circuit.
- Use the continuity function to check for broken wires or loose connections.
- Use the resistance function to measure the resistance of a component.
- Be sure to follow all safety precautions when using the Fluke T90.
I hope this manual has been helpful. Please contact Fluke if you have any further questions.

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