• Digital Lux measuring instrument with App connection
• Simple, fast and precise measurement of illuminance (Lux) according to the V-lambda curve for all common light sources
• Wide range of applications due to LED compatibility (except single-color blue LED)
• Fast in-app configuration, graph history, second screen and measurement data memory in the testo Smart App
• Audible alarm sounds if a limit value is exceeded
• Timed and point mean value calculation
• Measuring range: 0 to 100,000 lux

Digital Lux Meter with App Connection (Part # 0563 1545) Illuminance is a decisive factor for productivity, well-being and health, especially in workplaces. Light sources that are too bright dazzle, while those that are too dark can lead to concentration problems and headaches. With the testo 545 Lux meter, you can measure the illuminance of all common light sources - quickly, easily and precisely. The measuring instrument is compatible with almost all commercially available LEDs and thus ensures you a wide range of applications. By automatically calculating the time and point average value, the Lux meter shows you all relevant information at a glance. Testo Smart app • Simple and fast: Measurement menus for numerous applications provide optimum support in configuring and carrying out the measurement • Clear graphical presentation of readings, e.g. as a table, for quick interpretation of results • Create digital measurement reports including photos as PDF/CSV files on site and send via e-mail