Light intensity measuring instrument - testo 540
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Catalog excerpts

Light intensity measuring instrument testo 540 - Pocket-sized Lux meter Sensor adapted to spectral sensitivity of the eye Hold-function and max./min. values Display illumination The sensor in the testo 540 is adapted to the spectral sensitivity of the eye. This makes the testo 540 ideally suited to the measurement of light intensity at workplaces. The hold-function allows the comfortable readout of the measurement values. Max. and min. values are displayed at the press of a button. The clip-on protective cap, wrist strap and belt holder ensure safekeeping of the instrument, testo 540 is very handy, small and easy to operate.

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Light intensity measuring instrument - testo 540-2

Technical data / Accessories Sensor type Silicone photodiode testo 540 handy Lux meter ind. protection cap, batteries and calibration protocol General technical data Accessories for measuring instrument

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