Testo 540 lux meter

The sensor of the Testo 540 Lux meter is adapted to the spectral sensitivity of the eye. This makes the 540 ideal for the measurement of light intensity. The Hold function allows an easy readout of the measurement values and Max. and min. values are displayed at the press of a button.
  • Features:
    • Measuring range: 0 to 99,999 Lux
    • Resolution: 1 Lux (0 to 19,999), 10 Lux (20,000 to 99,999)
    • Dimensions (incl. protective cap): 133mm x 46mm x 25mm
    • Hold function and max./min. values
    • Display illumination
  • Supplied complete with:
    • Wrist strap
    • Belt holder
    • Protective storage cap
    • Batteries (2 x AAA)
    • User instructions