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Digital light meter / pocket - max. 99 999 lux | 540
Testo 540 is a sensor that has been adapted to the spectral sensitivity of the eye. This makes it ideal for the measurement of light intensity, but there are other parts worth mentioning. For example, the hold function permits easy measurement value readout, while the minimum and maximum values are displayed after pressing a single button.The device is easy to operate, being small and handy, and the calibration protocol and protective cap ensure safe storage. Finally, the belt holder and the wrist strap are also included in the package.