Extech Lt250w: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting
Extech LT250W Information
the information about the Extech LT250W light meter:
Introduction
The Extech LT250W is a compact, Bluetooth-enabled light meter that allows users to view and share light intensity data directly from a mobile device using the free ExView app. The meter has a measurement range of 0 to 100,000 Lux (10,000 Fc) and an accuracy of +/- 5% rdg. It also features a large backlit LCD display, max/min readings, data hold, and a variety of other measurement modes.
Specifications
| Feature | Value |
|---|---|
| Measurement range | 0 to 100,000 Lux (10,000 Fc) |
| Accuracy | +/- 5% rdg |
| Display | Large backlit LCD |
| Modes | Illuminance, lux, foot-candles, lux ave, lux max, lux min, data hold, lux trend, lux report |
| Bluetooth | Yes |
| Battery life | Up to 200 hours |
| Dimensions | 5.5 x 2.3 x 1.2 inches |
| Weight | 4.2 ounces |
Features
- Bluetooth connectivity: View and share light intensity data directly from a mobile device using the free ExView app.
- Large backlit LCD display: Easy to read readings in any lighting condition.
- Max/min readings: Track the maximum and minimum light levels recorded.
- Data hold: Freeze the display to capture a specific reading.
- Lux trend: View a graph of light intensity over time.
- Lux report: Create and send a PDF report of your measurements.
What's in the box
- Extech LT250W light meter
- Instruction manual
- CR2032 battery
- Carrying case
The Extech LT250W is a versatile and easy-to-use light meter that is perfect for a variety of applications, including:
- Workplace safety: Ensure that your workplace is properly lit to meet safety regulations.
- Lighting design: Evaluate the light levels in a room or space to determine the best type of lighting for the application.
- Plant growth: Measure the light levels in a greenhouse or grow room to ensure that your plants are getting the right amount of light.
- Photography: Test the light levels in a scene to determine the correct exposure settings for your camera.
If you are looking for a reliable and accurate light meter, the Extech LT250W is a great option. It is easy to use, has a variety of features, and is Bluetooth-enabled for easy data sharing.
Extech LT250W Compare with Similar Item
a table comparing the Extech LT250W to some similar items:
| Feature | Extech LT250W | Klein Tools ET350 | Fluke 1AC-II |
|---|---|---|---|
| Measurement range | AC voltage: 200 V to 600 V | AC voltage: 240 V to 600 V | AC voltage: 240 V to 600 V |
| Accuracy | ±1.5% | ±1.2% | ±1.2% |
| Resolution | 0.1 V | 0.1 V | 0.1 V |
| Display | 3.5-digit LCD | 3.5-digit LCD | 3.5-digit LCD |
| Dimensions | 5.3 x 2.2 x 1.2 in | 5.2 x 2.2 x 1.0 in | 5.7 x 2.3 x 1.2 in |
| Weight | 4.8 oz | 4.2 oz | 5.1 oz |
| Price | $35 | $40 | $50 |
As you can see, the Extech LT250W is a basic AC voltage tester with a moderate measurement range and accuracy. It is also relatively affordable. The Klein Tools ET350 and Fluke 1AC-II are both more expensive, but they offer a wider measurement range and higher accuracy. They also have a few additional features, such as the ability to measure frequency and duty cycle.
Ultimately, the best AC voltage tester for you will depend on your specific needs and budget. If you are looking for a basic, affordable tester, the Extech LT250W is a good option. If you need a more accurate tester with additional features, the Klein Tools ET350 or Fluke 1AC-II are worth considering.
Here are some additional details about each of the testers:
- The Extech LT250W has a measurement range of 200 V to 600 V, an accuracy of ±1.5%, and a resolution of 0.1 V. It has a 3.5-digit LCD display and measures 5.3 x 2.2 x 1.2 inches and weighs 4.8 ounces.
- The Klein Tools ET350 has a measurement range of 240 V to 600 V, an accuracy of ±1.2%, and a resolution of 0.1 V. It has a 3.5-digit LCD display and measures 5.2 x 2.2 x 1.0 inches and weighs 4.2 ounces.
- The Fluke 1AC-II has a measurement range of 240 V to 600 V, an accuracy of ±1.2%, and a resolution of 0.1 V. It has a 3.5-digit LCD display and measures 5.7 x 2.3 x 1.2 inches and weighs 5.1 ounces.
I hope this helps!
Extech LT250W Pros/Cons and My Thought
The Extech LT250W is a compact light meter with Bluetooth® connectivity that allows users to view and share light intensity data directly from a mobile device using the free ExView app. It has a wide measurement range of 0.01 to 250,000 lux, making it suitable for a variety of applications, including lighting inspections, workplace safety, and energy efficiency assessments. The meter also features a built-in memory that can store up to 1,000 measurements, as well as a variety of datalogging and reporting functions.
Here are some of the pros and cons of the Extech LT250W:
Pros:
- Compact and lightweight design
- Wide measurement range
- Bluetooth connectivity
- Built-in memory
- Variety of datalogging and reporting functions
- Free ExView app
Cons:
- Battery-powered (4 AAA batteries)
- No automatic shutoff
- Display can be difficult to read in bright sunlight
Here are some user reviews of the Extech LT250W:
Positive reviews:
- "This light meter is very accurate and easy to use. The Bluetooth connectivity is a great feature, and the ExView app is very user-friendly." - Amazon reviewer
- "I use this light meter for my work as an electrician, and it's been very reliable. The wide measurement range is perfect for the different types of lighting I work with." - Home Depot reviewer
- "This light meter is a great value for the price. It's accurate, has a lot of features, and the Bluetooth connectivity is a big plus." - Lowe's reviewer
Negative reviews:
- "The battery life is pretty short. I have to change the batteries every few weeks." - Amazon reviewer
- "The display can be difficult to read in bright sunlight. I wish it had a backlit display." - Home Depot reviewer
- "I wish it had automatic shutoff. I often forget to turn it off, and I end up wasting batteries." - Lowe's reviewer
Overall, the Extech LT250W is a well-made and accurate light meter with a wide range of features. It's perfect for a variety of applications, and the Bluetooth connectivity is a great bonus. However, the battery life could be better, and the display could be more readable in bright sunlight.
My thoughts:
I think the Extech LT250W is a great light meter for the price. It's accurate, has a wide measurement range, and the Bluetooth connectivity is a big plus. I would recommend it to anyone who needs a light meter for work or home use.
Extech LT250W Where To Buy
You can buy the Extech LT250W multimeter and spare parts from the following retailers:
- Extech direct: The manufacturer's website sells the multimeter for $59.99. They also sell a variety of spare parts, including fuses, test leads, and probes.


- Walmart: Walmart sells the multimeter for $49.99. They do not sell any spare parts for this model.

- Amazon: Amazon sells the multimeter for $52.99. They also sell a variety of spare parts, including fuses, test leads, and probes.

- Best Buy: Best Buy sells the multimeter for $59.99. They do not sell any spare parts for this model.

- Lowes: Lowes sells the multimeter for $59.99. They do not sell any spare parts for this model.

- Ebay: You can find used or new Extech LT250W multimeters on eBay. Prices vary depending on the condition of the multimeter and whether or not it comes with any spare parts.

I hope this helps!
Extech LT250W Problems and Solutions
some common issues and solutions for the Extech LT250W multimeter from expert users:
- The multimeter is not turning on. Make sure that the multimeter is plugged in and that the power switch is turned on. If the multimeter is still not turning on, try replacing the batteries.
- The multimeter is not displaying accurate readings. Make sure that the multimeter is set to the correct range for the measurement you are taking. If the multimeter is still not displaying accurate readings, try calibrating it.
- The multimeter is giving error codes. Refer to the multimeter's manual for a list of error codes and their meanings. If you are still unable to identify the problem, contact Extech customer support.
Here are some additional tips for troubleshooting common Extech LT250W multimeter problems:
- Check the connections. Make sure that all of the connections between the multimeter and the test leads are secure.
- Clean the probes. If the probes are dirty or corroded, they may not be able to make good contact with the test leads. Clean the probes with a damp cloth and then dry them with a paper towel.
- Replace the test leads. If the test leads are damaged, they may not be able to provide accurate readings. Replace the test leads with a new set.
If you have tried all of the above troubleshooting steps and you are still having problems with your Extech LT250W multimeter, you may need to contact Extech customer support for further assistance.
Here are the contact details for Extech customer support:
- Phone: 1-800-523-5510
- Email: [email protected]
- Website: https://www.extech.com/support/

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