Text Люксметр 540

The measurement sensor testo 540 adapts to the spectral sensitivity of the eye, which makes the device ideal for measuring light intensity. Hold function serves for easy reading of measurement data. Display max/min. values ​​by pressing a single button. The testo 540 is very compact, light and easy to use. Features: Hold function and maximum display/min. values; The sensor adapts to the spectral sensitivity of the eye; Protective cover for safe storage; Light mapping. Product specifications: Country of origin: Germany Range of measurement of illumination (lx): 0..100000 Measurement error (%): ± 3 Power source: 2xAAA Operating temperature range (° C): 0 .. + 50 Weight (kg): 0.095 Dimensions (mm): 133x46x25