Extech LT40 LED Light Meter

SKU EXT/LT40 Categories ,
  • Measures Lux and Foot Candle (Fc)
  • 4000 count LCD with data hold
  • White LED compatible sensor
  • Min/Max and Average readings
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From £84.00 (ex VAT)

£100.80 (inc VAT)

Earn 84 – 114 points

In Stock - Express Delivery Available
  • Measures Lux and Foot Candle (Fc)
  • 4000 count LCD with data hold
  • White LED compatible sensor
  • Min/Max and Average readings
Free Shipping

Spend over £100 on any new goods order and receive automatic free shipping

Rewards

Points make purchases! For every £1 spent, earn back 1p that can be spent on any future new goods purchase

Our Price Promise

We offer a Price Match Promise! Find an equivalent tester for a cheaper price on a competitor site, and we’ll do our best to match it

Express Delivery & Calibration

Express Delivery is currently unavailable for customers wishing to add calibration to their New Goods order. For more information, visit our Delivery Information page. 

From £84.00 (ex VAT)

£100.80 (inc VAT)

Earn 84 – 114 points

In Stock - Express Delivery Available
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Extech LT40 LED Light Meter

The Extech LT40 LED Light Meter offers a practical and reliable solution for measuring light levels across various environments. Designed for ease of use, the device is compact and user-friendly, making it ideal for technicians, engineers, and building managers. With the ability to assess both Lux and Foot Candle (Fc) values, it delivers accurate readings to ensure lighting standards are consistently met.

Engineered for Practical Use

Equipped with a white LED-compatible sensor, the Extech LT40 enables precise measurements of modern light sources found in schools, offices, and hospitals. Its unibody design includes a built-in sensor with a protective cover, improving durability and ease of storage. A clear 4000 count LCD screen helps users capture data quickly, with the added benefit of a data hold function.

Functional and Versatile

The Extech LT40 supports essential functions such as Min/Max and Average readings, which are crucial when monitoring fluctuating light conditions. Cosine and colour correction features provide improved accuracy across various angles and sources. It is well suited to measuring not only white LEDs but also halogen and discharge lamps, making it a versatile tool across industries.

Whether used in manufacturing, warehousing, education or healthcare, the Extech LT40 LED Light Meter offers dependable performance. Supplied with two AAA batteries, a protective pouch, and a sensor cover, it’s ready to work straight from the box. This light meter helps users maintain optimal visibility and meet health and safety standards in indoor spaces.

Key Features
  • Measures lighting in Lux or Foot Candle (Fc) units
  • Suitable for white LED, halogen, and discharge lamps
  • Integrated sensor with protective cover
  • Supports Min, Max and Average measurement modes
  • 4000 count LCD with data hold functionality
  • Provides cosine and colour corrected readings
  • Compact unibody housing for easy handling
  • Includes auto power-off to preserve battery life
  • Lightweight at only 250g including batteries
  • Battery-powered with 2 x AAA (included)
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Extech LT40 LED Light Meter

The Extech LT40 LED Light Meter offers a practical and reliable solution for measuring light levels across various environments. Designed for ease of use, the device is compact and user-friendly, making it ideal for technicians, engineers, and building managers. With the ability to assess both Lux and Foot Candle (Fc) values, it delivers accurate readings to ensure lighting standards are consistently met.

Engineered for Practical Use

Equipped with a white LED-compatible sensor, the Extech LT40 enables precise measurements of modern light sources found in schools, offices, and hospitals. Its unibody design includes a built-in sensor with a protective cover, improving durability and ease of storage. A clear 4000 count LCD screen helps users capture data quickly, with the added benefit of a data hold function.

Functional and Versatile

The Extech LT40 supports essential functions such as Min/Max and Average readings, which are crucial when monitoring fluctuating light conditions. Cosine and colour correction features provide improved accuracy across various angles and sources. It is well suited to measuring not only white LEDs but also halogen and discharge lamps, making it a versatile tool across industries.

Whether used in manufacturing, warehousing, education or healthcare, the Extech LT40 LED Light Meter offers dependable performance. Supplied with two AAA batteries, a protective pouch, and a sensor cover, it’s ready to work straight from the box. This light meter helps users maintain optimal visibility and meet health and safety standards in indoor spaces.

Key Features
  • Measures lighting in Lux or Foot Candle (Fc) units
  • Suitable for white LED, halogen, and discharge lamps
  • Integrated sensor with protective cover
  • Supports Min, Max and Average measurement modes
  • 4000 count LCD with data hold functionality
  • Provides cosine and colour corrected readings
  • Compact unibody housing for easy handling
  • Includes auto power-off to preserve battery life
  • Lightweight at only 250g including batteries
  • Battery-powered with 2 x AAA (included)

 

Technical Specifications
SpecificationDetail
Measurement Range (Lux)0 to 400,000 (with selectable ranges)
Measurement Range (Fc)0 to 40,000 (with selectable ranges)
Display Type4000 count LCD screen
Measurement ModesLux, Foot Candle (Fc)
FunctionsMin, Max, Average, Hold
Sensor TypeBuilt-in with protective cover
Light CompatibilityWhite LEDs, Discharge Lamps, Halogen Lamps
Colour CorrectionYes
Cosine CorrectionYes
Dimensions5.2 x 1.9 x 1 in (133 x 48 x 23 mm)
Weight8.8 oz (250 g)
Power Supply2 x AAA batteries (included)
Auto Power OffYes
LED Type MeasuredWhite LED
Basic Accuracy±3%
Manufacturer Part Code400A917
What’s Included
  • Extech LT40 LED Light Meter
  • Protective Cover
  • 2 AAA Batteries and Pouch

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