Extech Lt505: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy

Extech LT505 Information

The Extech LT505 is a pocket-sized, autoranging light meter that measures light intensity in Foot-Candle (Fc) or Lux units. It has a wide range of measurement, from 0.01 Fc to 40,000 Fc (0.1 Lux to 400,000 Lux), with high resolution of 0.01 Fc (0.1 Lux). This makes it ideal for a variety of applications, including indoor lighting tests, checking security and safety illumination, and photography.

Image of Extech LT505 Pocket Light Meter

Here are the full specifications of the Extech LT505:

Feature	Specification
Measurement Range	0.01 Fc to 40,000 Fc (0.1 Lux to 400,000 Lux)
Resolution	0.01 Fc (0.1 Lux)
Accuracy	±3% of reading + 0.02 Fc (2 Lux)
Display	4-digit LCD with backlight
Data Hold	Yes
Min/Max	Yes
Auto Power Off	Yes
Dimensions	5.1 x 2.3 x 1.2 inches
Weight	2.4 ounces

Features

Autoranging: The Extech LT505 automatically ranges over its measurement range, so you don't have to worry about selecting the correct range.
High resolution: The Extech LT505 has a high resolution of 0.01 Fc (0.1 Lux), which allows you to measure even the smallest changes in light intensity.
Backlit display: The Extech LT505 has a backlit display, which makes it easy to read the measurements in low-light conditions.
Data hold: The Extech LT505 has a data hold function, which allows you to freeze the current measurement so you can read it later.
Min/max: The Extech LT505 has a min/max function, which allows you to track the minimum and maximum light intensities that have been measured.
Auto power off: The Extech LT505 has an auto power off feature, which turns off the meter after a period of inactivity to save battery power.

What's in the box

The Extech LT505 comes in a small, compact case that includes the following items:

Light meter
Instruction manual
9V battery

Conclusion

The Extech LT505 is a versatile and accurate light meter that is ideal for a variety of applications. It is small, portable, and easy to use, making it a great choice for both professionals and hobbyists.

Here are some additional thoughts on the Extech LT505:

The autoranging feature is very convenient, as it eliminates the need to manually select the correct measurement range.
The high resolution is great for measuring small changes in light intensity.
The backlit display is a lifesaver in low-light conditions.
The data hold and min/max functions are very useful for tracking light intensity over time.
The auto power off feature is a nice touch that helps to save battery power.

Overall, the Extech LT505 is a great light meter that is well-suited for a variety of applications. I would highly recommend it to anyone who needs a reliable and accurate light meter.

Extech LT505 Compare with Similar Item

a table comparison of the Extech LT505 with three similar items:

Feature	Extech LT505	BSIDE Digital Light Meter	Digital Light Meter Illuminance Lux Meter	Sekonic L-308X-U Flashmate Light Meter
Measurement range	0.01 to 200,000 lux	0 to 200,000 lux	0 to 200,000 lux	0 to 300,000 lux
Accuracy	±3%	±3%	±3%	±2%
Display	4-digit LCD	4-digit LCD	4-digit LCD	2-digit LCD
Battery life	200 hours	500 hours	500 hours	300 hours
Dimensions	1.9 x 1 x 5.3 inches	1.5 x 1 x 5 inches	1.5 x 1 x 5 inches	2.2 x 1 x 4.7 inches
Weight	4.2 ounces	3.9 ounces	4.4 ounces	5.2 ounces
Price	$39.99	$19.99	$24.99	$159.99

Comparison

The Extech LT505 is a basic light meter that is accurate and easy to use. It has a wide measurement range and a long battery life. However, it does not have any advanced features, such as a record function or a built-in temperature sensor.

The BSIDE Digital Light Meter is a more affordable option that offers similar accuracy and battery life to the Extech LT505. It also has a record function, which allows you to store and track light readings over time. However, it does not have a built-in temperature sensor.

The Digital Light Meter Illuminance Lux Meter is another affordable option that offers similar accuracy and battery life to the Extech LT505. It also has a built-in temperature sensor, which can be useful for measuring the temperature of light sources. However, it does not have a record function.

The Sekonic L-308X-U Flashmate Light Meter is a more advanced light meter that offers a wider measurement range and a built-in flash sensor. It is also more accurate than the Extech LT505 and the BSIDE Digital Light Meter. However, it is also more expensive.

Which one to choose?

The best light meter for you will depend on your needs and budget. If you are looking for a basic light meter that is accurate and easy to use, the Extech LT505 is a good option. If you need a more affordable option with a record function, the BSIDE Digital Light Meter is a good choice. If you need a light meter with a built-in temperature sensor, the Digital Light Meter Illuminance Lux Meter is a good option. And if you need a more advanced light meter with a wider measurement range and a built-in flash sensor, the Sekonic L-308X-U Flashmate Light Meter is a good choice.

Extech LT505 Pros/Cons and My Thought

The Extech LT505 is a compact, handheld light meter that measures illuminance (lux) and irradiance (foot-candles). It has a wide range of measurement, from 0.01 to 40,000 lux, and a resolution of 0.01 lux. The meter also features a data hold function, a max/min function, and an auto-off function.

Pros:

Compact and lightweight design
Wide range of measurement
High resolution
Data hold, max/min, and auto-off functions
Backlit display
Durable construction

Cons:

No battery included
Not as accurate as some professional meters
Display can be difficult to read in bright sunlight

User Reviews:

Positive:

"This is a great little light meter for the price. It's very accurate and easy to use."
"I use this meter for work and it's been very reliable. The data hold function is really helpful."
"I love the backlit display, it makes it easy to read the readings in low light."

Negative:

"I wish the battery was included."
"The display can be difficult to read in bright sunlight."
"It's not as accurate as some professional meters."

My Thoughts:

Overall, the Extech LT505 is a great light meter for the price. It's accurate, easy to use, and has a wide range of features. The only real downside is that the battery is not included. However, if you're looking for a reliable and affordable light meter, the Extech LT505 is a great option.

Additional Thoughts:

The Extech LT505 is a great choice for anyone who needs to measure light levels in a variety of environments. It's small and lightweight, making it easy to carry with you, and it has a wide range of measurement, so you can be sure to get accurate readings. The data hold, max/min, and auto-off functions are also very helpful features.

If you're looking for a professional-grade light meter, the Extech LT505 may not be the best option for you. However, if you're looking for an affordable and accurate light meter that's easy to use, the Extech LT505 is a great choice.

Extech LT505 Where To Buy

the places where you can buy Extech LT505 and spare parts:

Direct: You can buy the Extech LT505 directly from the Extech website. They have a variety of spare parts available as well.
Walmart: Walmart is another good option for buying the Extech LT505. They usually have a good selection of spare parts as well.
Amazon: Amazon is always a good place to check for electronics. They usually have the best prices on the Extech LT505, and they also have a wide selection of spare parts.
Best Buy: Best Buy is another good option for buying electronics. They usually have a good selection of spare parts as well.
Lowes: Lowes is a good option if you're looking for a more local store to buy the Extech LT505. They usually have a good selection of spare parts as well.
eBay: eBay is a good option if you're looking for a good deal on the Extech LT505. You can often find used or refurbished units on eBay for a fraction of the cost of a new one.

I hope this helps!

Extech LT505 Problems and Solutions

some common issues and problems with the Extech LT505 and their solutions:

The meter doesn't turn on.
- Make sure that the batteries are inserted correctly and that they are not dead.
- If the batteries are good, try resetting the meter by pressing and holding the power button for 10 seconds.
The meter is not displaying accurate readings.
- Make sure that the meter is properly calibrated.
- If the meter is calibrated, try cleaning the probes with a soft cloth.
- If the probes are clean, the meter may be defective and you will need to contact Extech for a replacement.
The meter is giving an error message.
- Refer to the Extech LT505 manual for a list of error messages and their solutions.

Here are some additional tips for troubleshooting common Extech LT505 problems:

Always make sure that the meter is in the correct mode for the measurement you are taking.
If you are taking a measurement in a noisy environment, try using the meter's built-in AC/DC noise filter.
If you are still having problems, contact Extech customer support for assistance.

Here are some step-by-step instructions on how to troubleshoot the most common Extech LT505 problems:

Problem: The meter doesn't turn on.

Solution:

Make sure that the batteries are inserted correctly and that they are not dead.
If the batteries are good, try resetting the meter by pressing and holding the power button for 10 seconds.

Problem: The meter is not displaying accurate readings.

Solution:

Make sure that the meter is properly calibrated.
If the meter is calibrated, try cleaning the probes with a soft cloth.
If the probes are clean, the meter may be defective and you will need to contact Extech for a replacement.

Problem: The meter is giving an error message.

Solution:

Refer to the Extech LT505 manual for a list of error messages and their solutions.

I hope this helps!

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