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testo 540 - Pocket Lux Meter 

0560 0540
$258.00 $283.80
  • Sensor designed based on the spectral sensitivity of the human eye 
  • Quick readouts 
  • Protective cap for safe storage 
  • Compact and robust design 
  • The Testo 540 light meter is a quick and easy-to-use entry level model designed for measuring lighting conditions in the workplace. 
    The 540 Pocket Lux Meter can be used to measure both artificial and natural light and provides you with a quick and easy means of measuring lighting conditions in the workplace.

    The testo 540 Pocket lux meter: compact, easy-to-use, precise

    The Testo 540 Pocket Lux Meter is a compact entry level model designed specifically for carrying out spot checks in the workplace, shops and offices. The light sensor is designed based on the spectral sensitivity of the human eye and is ideal for measuring lighting conditions in a variety of different workplaces.

    The compact, easy-to-use meter has a number of useful functions and features including a large, easy-to-read display, min/max values which can be shown at the touch of a button, a hold function that allows you to freeze the last reading and a protective cap for safe storage. 

    Testo 540 lux meter, protective cap, protocol certificate, batteries


    Measuring range
    0 to 99999 Lux
    0 to 9300 ftc
    ±3 Lux or ±3 % (compared to reference instrument at 90° light irradiation)
    1 Lux (0 to 19999 Lux)
    10 Lux (Remaining Range)
    Measuring rate
    0.5 s

    General technical data

    95 g (incl. batteries and protective cap)
    133 x 46 x 25 mm
    Operating temperature
    0 to +50 °C
    Protection class
    Battery type
    2 AAA micro batteries
    Battery life
    200 h (average, without display illumination)
    Storage temperature
    -40 to +70 °C