Testo 545 Luminance Meters, 0lx to 100000lx, ±3 %

The Testo Lux meter 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. The testo 545 is perfectly complemented by the testo Smart App.

Precise measurement of illuminance (Lux)
Timed and point mean value calculation
Audible alarm sounds
Operating temperature is -10 to +50 °C
Battery life is 70 hours