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EXTECH LT45 LED Light Meter

The Extech LT45 is a versatile light meter designed for measuring and optimizing environmental light levels across various settings. It supports the measurement of multiple LED colors including white, red, yellow, green, blue, and purple, as well as standard light sources such as fluorescent, metal halide, high-pressure sodium, and incandescent lamps. The device allows manual storage and recall of up to 99 readings, offers cosine and color correction for accurate measurements, and features a 4000 count display. It can provide minimum, maximum, and average readings, with auto power-off for convenience. The light sensor is connected via an extendable coiled cable, allowing flexibility with a maximum length of 59 inches (1.5 meters).

Authorized Distributors
Source:DigiKey
Part No:LT45
Stock:6
Inv Date:06-05-2026
Price: Unit price: $359
Buy/RFQ:
Part No:LT45
Stock:0
Inv Date:06-06-2026
Price: Unit price: $359
Buy/RFQ:
Part No:LT45
Stock:2
Inv Date:06-05-2026
Price: Unit price: $359
Buy/RFQ:
Part No:LT45
Stock:1
Inv Date:06-05-2026
Price: Unit price: $359
Buy/RFQ:
Part No:LT45
Stock:0
Inv Date:06-05-2026
Price: Unit price: $359
Buy/RFQ:
Part No:LT45
Stock:5
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:
Part No:LT45
Stock:0
Inv Date:06-05-2026
Price: Unit price: $419
Buy/RFQ:
Part No:LT45
Stock:0
Inv Date:06-05-2026
Price: Unit price: $359
Buy/RFQ:
Part No:LT45
Stock:0
Inv Date:06-05-2026
Price: Unit price: $359
Buy/RFQ:
Authorized Distributors
Part No:LT45
Stock:1
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:

EXTECH LT45 LED Light Meter Specifications:

  • Foot-candle (Fc) Range: 40, 400, 4000, 40000
  • Lux Range: 400, 4000, 40000, 400000
  • LED Types: White, red, yellow, green, blue, purple
  • Display: 4000 count bright LED backlit display
  • Accuracy: ±3%
  • Dimensions: 5.1 x 2.2 x 1.5 inches (130 x 55 x 38 mm)
  • Weight: Approx. 8.8 oz (250 g)
  • Sensor: Light sensor with protective cover, extendable coiled cable up to 59 inches (1.5 m)
  • Power: 9V battery
  • Features: Min/Max/Avg readings, manual storage, cosine and color correction, auto power off

Buy the Buy Extech LED Light Meter Part Number LT45 Online

Order the Extech LT45 LED Light Meter online now and benefit from its versatile measurement capabilities across various light sources. With support for multiple LED colors, a 4000 count display, and smart features like min/max/average readings, cosine and color correction, it ensures accurate environmental light measurement. Its extendable sensor cable provides flexible positioning, making it ideal for professional and educational settings. Easily store up to 99 readings and enjoy auto power-off for extended battery life. Purchase today for reliable light measurement performance.

Get Extech LT45 today—designed for precise and reliable light measurement across multiple LED colors and standard lighting environments.

Frequently Asked Questions

Where can I buy EXTECH LT45?

You can click on the BUY or RFQ button to purchase LT45 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part LT45?

You can download the LT45 datasheet or visit the EXTECH website for support.

Who is the manufacturer of LT45?

EXTECH

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