Extech LT40 LED Light Meter 400,000 Lux

The Extech LT40 LED Light Meter is a professional instrument designed for measuring and optimising environmental light levels in a wide range of settings. It is ideal for use in office buildings, manufacturing plants, warehouses, university campuses, schools, hospitals, and many other locations. With its ability to verify regulatory compliance with OSHA workplace lighting standards, as well as state and local public safety codes, the LT40 ensures your environment meets required lighting regulations.

This versatile meter measures both LED and standard lighting sources, including fluorescent, metal halide, high-pressure sodium, and incandescent bulbs, with an impressive range of up to 400,000 lux (40,000 Fc). It provides readings in Lux or Foot-Candle (Fc) units, featuring a 4,000-count display with min./max. average functions. The device includes cosine and colour-corrected measurements for accurate results, and an auto power-off function to conserve battery life.

Key Features

• Measures white LED lights effectively
• Light (foot candle) basic accuracy: ±3%
• Light (lux) basic accuracy: ±3%
• Supplied with two AAA batteries
• Compact dimensions: 133 x 48 x 23 mm

In the Box

• LT40 LED light meter
• Built-in sensor with protective cover
• 2 AAA batteries
• Storage pouch
• User manual

Whether you are conducting a professional lighting audit or ensuring workplace safety, the Extech LT40 provides reliable and accurate measurements in a user-friendly design.