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£130.00 £156.00 (Inc. VAT)

Product Description

Testo 540 – Lux Meter

incl. protection cap, wrist strap, belt holder, batteries and calibration protocol

  • Hold function and max./min. values
  • Incl. calibration protocol
  • Protective cap for safe storage
  • Including wrist strap and belt holder
  • Sensor adapted to spectral sensitivity of the eye
  • Display light


The sensor of the testo 540 is adapted to the spectral sensitivity of the eye.
This makes testo ideal for the measurement of light intensity.
The Hold function allows an easy readout of the measurement values. Max. and min. values are displayed at the press of a button. testo 540 is very handy, small and easy to operate.

Technical Data
Storage temperature -40 to +70 °C
Operating temperature 0 to +50 °C
Battery type 2 batteries Type AAA
Battery life 200 h
Weight 95 g
Dimensions 133 x 46 x 25 mm
Probe – Lux
Meas. Range 0 to 99,999 Lux
Accuracy ±3 %
Resolution 1 Lux (0 to 19.999 Lux)
10 Lux (remaining range)
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