The Testo 540 Light Meter (Luminosity Measurement Tool) is an essential device for effortless and accurate light measurements in various environments. It is tailored for entry level use. This is perfect for workplace lighting assessments with offering efficiency and simplicity in one compact design.

Key Features

• Wide Measuring Range: 0 to 99999 Lux, really suitable for both artificial and natural light.
• Human Eye Perception Matching: It’s a sensor designed to mimic human vision colour perception.
• User Friendly Functions: Includes a hold function, min/max value tracking, and an easy-to-read display.
• Durable Design: Comes with a protective cap and IP40 protection class.
• Long Battery Life: This is powered by 2 AAA micro batteries for up to 200 hours.