Carrying bag, factory calibration protocol, 3 AA batteries

Simple, fast, and accurate measurement of illuminance (lux) for all common light sources according to the V-lambda curve.

Wide range of application thanks to compatibility with $\text{LED}$s (except single-color blue $\text{LED}$s).

Fast setup in the app, graphical history, second screen, and storage of measurement data in the testo Smart App.

Acoustic alarm when limit values are exceeded.

With the compact testo 545 lux meter, you can easily, quickly, and accurately measure the illuminance of all common light sources to ensure performance, productivity, and health in workplaces. The testo Smart App supports useful functions such as configuration, display (also as a second screen), as well as storage and documentation of measured values directly in the app.