Features & Benefits
- NIST Certified for traceable standards
- Digital and Analog display for easy readings
- Measures light in Foot-candles or Lux
- Accurate and precise measurements
- Ideal for professional use
- Reliable and certified quality
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- Extech LT45 Color LED Light Meter, Lux and Fo...
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Item #:
35488675
Extech LT45 Color LED Light Meter, Lux and Foot Candle, 400000 Lux
85% of respondents would recommend this to a friend
Item #:
35488675
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Accurate and certified light meter for precise measurements of light intensity.
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What Stands Out
High Accuracy
The Extech LT45 provides precise light measurements with a high degree of accuracy, ensuring users can trust the data for applications in photography, horticulture, and facility management.
User-Friendly Display
Equipped with a large LCD display, the LT45 features a backlight for easy reading in low-light environments, enhancing usability for professionals and hobbyists alike.
Versatile Measurements
This light meter measures both incident and reflected light, making it suitable for various applications, from evaluating workplace lighting to optimizing growth conditions for plants.
Product Details
- Measures both LED and Standard lighting for White and Color LEDs
- Provides readings in Lux or Foot Candle units
- Package Weight: 1.1 pounds
Who Should Buy?
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Photographers
Ideal for photographers who need to measure light levels accurately for exposure settings in various lighting conditions.
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Lighting Designers
Perfect for lighting designers assessing illumination in spaces to ensure optimal lighting design and compliance with standards.
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Quality Control
Valuable for quality control professionals in manufacturing and production to maintain specified light levels in facilities.
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Casual Users
Not suitable for casual users who require basic light measurements without detailed specifications or features.
Product Description
Extech LT45 Color LED Light Meter, Lux and Foot Candle, 400000 Lux
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What features does the Extech LT40 LED Light Meter have?
Answer: The Extech LT40 LED Light Meter is equipped with advanced features such as a wide measurement range from 0 to 400,000 Lux, a built-in data hold function, and a maximum/average measurement function. This allows users to accurately assess light levels in various environments, from offices to photography studios. Additionally, it has an LCD display for easy reading of measurements, making it perfect for professionals and hobbyists alike. -
Question:
How does the Extech LT40 measure light intensity?
Answer: The Extech LT40 measures light intensity using a photodiode sensor that captures the ambient light and converts it to a readable Lux value. Users can place the sensor at different angles to get accurate readings based on their specific lighting conditions. This makes it suitable for applications like architectural lighting design or environmental studies, where understanding light levels is crucial. -
Question:
Can the Extech LT40 be used for measuring LED lights specifically?
Answer: Yes, the Extech LT40 is specifically designed to measure LED light levels effectively. It can provide precise readings for different types of LED fixtures, which are crucial in assessing energy efficiency or optimizing light settings. This is particularly beneficial for professionals in fields such as horticulture or photography, where precise light measurement is key to achieving optimal results. -
Question:
What types of environments are ideal for using the Extech LT40?
Answer: The Extech LT40 is ideal for various environments, including indoor settings like offices, studios, classrooms, and outdoor areas such as gardens or parks. Its versatility allows users to ensure that the light levels are adequate for the well-being of plants in a greenhouse or for creating the right ambiance in a photographic setting. Understanding light conditions is essential for achieving desired results in multiple uses. -
Question:
Is the Extech LT40 portable for field use?
Answer: The Extech LT40 is designed for portability, making it suitable for field use. It is compact and lightweight, which allows users to easily carry it from one location to another, whether for surveys, inspections, or educational purposes. This feature is particularly useful for professionals who conduct regular assessments of lighting in various locations. -
Question:
What is the power source for the Extech LT40 LED Light Meter?
Answer: The Extech LT40 operates on 9V batteries, which provide a reliable power source for extended use. This battery operation allows for flexibility and convenience, especially in field conditions where access to power outlets may be limited. Users can confidently rely on the LT40 to deliver consistent performance when assessing different lighting conditions. -
Question:
How do I calibrate the Extech LT40 for accurate measurements?
Answer: Calibrating the Extech LT40 for accurate measurements is typically not required, as it is pre-calibrated at the factory. However, for those who want to ensure precision, users can follow the calibration procedure outlined in the manual. Regular checks against standard light sources can help maintain measurement accuracy, which is particularly important for professionals in scientific research or lighting design. -
Question:
What industries benefit from using the Extech LT40 LED Light Meter?
Answer: Industries that benefit from the Extech LT40 include photography, horticulture, architecture, and interior design. Photographers can use it to gauge the best lighting conditions for shoots, while horticulturists can assess light levels to optimize plant growth. Interior designers can measure light to ensure comfortable environments in living and working spaces, making it a valuable tool across multiple sectors. -
Question:
Is there a memory function in the Extech LT40 LED Light Meter?
Answer: Yes, the Extech LT40 features a memory function that allows users to store previous measurements for comparisons and analysis. This is particularly useful for professionals conducting light surveys over time or when assessing changes in lighting environments. Users can easily review stored data to make informed decisions regarding lighting adjustments. -
Question:
Where can I buy the Extech LT40 LED Light Meter?
Answer: You can purchase the Extech LT40 LED Light Meter from Ubuy in Qatar. Ubuy offers a reliable platform with a wide selection of electronic and measurement tools, ensuring you receive quality products along with detailed information for your purchasing decision.
Extech Light Meters Editorial Review
The Extech LT40 LED light meter is a budget-friendly option that suits security Consultants and those who have a limited need to use it daily. The device measures environmental conditions and detects specific spectral bands of light. It has ten light source selections that are highly responsive and make sense in different lighting situations. The back of the device isn't flat, so it doesn't take a good horizontal measurement. The product is not suitable for measuring PPFD and PAR levels or colour temperature. It won't measure the total lumen output of a single lamp or fixture, and its peak sensitivity is at 550 nm, with little sensitivity from 400 nm to 450 nm. However, it's sturdy and accurate in normal lighting levels up to 40,000 fc with + or - 3%. It's handy for measuring light intensity from grow lights, and it's easy to use and determine the type of lights needed/brightness in a new office. The product can help one determine compliance with local lighting ordinance. It requires pressing and holding the Power button for at least two seconds to activate it. The meter's display screen might be difficult to read under bright light conditions.
Customer Reviews & Ratings
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Pros
- Budget-friendly option.
- Ten light source selections that make sense in different situations.
- Accurate in normal lighting levels up to 40,000 fc with + or
- 3%.
- Easy to use and determine the type of lights needed/brightness.
- Can help determine compliance with local lighting ordinance.
- Sturdy and reliable.
Cons
- Not suitable for measuring PPFD and PAR levels or colour temperature.
Platform Trust & Buyer Confidence
LR
Leon
Verified buyer
“The delivery time exceeded my expectations. The product was securely packaged.”
20-Jul-26 · via Trustpilot
DA
Dhoha
Verified buyer
“Was looking for chromatography filters and managed to find them and receive them in a short period of time. Great experience”
22 January 2026 · via Trustpilot
MF
Mayerlyn
Verified buyer
“Excelente servicio y hasta la puerta de casa ??”
14 February 2026 · via Trustpilot
HA
hamza
Verified buyer
“Timely delivery and transparency”
19 February 2026 · via Trustpilot
PP
Pretty
Verified buyer
“It was timely”
4 July 2026 · via Trustpilot
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