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540, Pocket-Sized Light Intensity Meter (0 to 99,999 Lux)

The Testo 540 lux meter can be used to measure artificial and natural light in the workplace.

The Testo 540 entry-level light meter is designed for carrying out spot checks in the workplace, shops and offices. The light sensor is modeled on the spectral sensitivity of the human eye and is ideal for measuring lighting conditions in the workplace.

The compact, easy-to-use meter has a number of useful functions and features including a large, easy-to-read display, min/max values, a hold function and a protective cap for safe storage.

  • For quick ‘n easy measurements in the workplace
  • Sensor based on the spectral sensitivity of the human eye
  • Hold function, min/max values
  • Protective cap for safe storage

  • Testo 540 Light Meter
  • Protective Cap
  • Calibration Certificate
  • Batteries
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Manuals (1)
Product Type:




Operating Temp Range:

32° to 122°F

Measurement Range:

0 to 99999 Lux


2 Years


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