Testo 540 Lux Meter


Testo Approved distributor and service company.

Light intensity measuring instrument incl. protective cap, batteries and calibration protocol.

More details

0560 0540


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£ 103.55 rrp £ 109.00

save 5%

(£ 124.26 inc VAT.)

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The sensor in the Testo 540 is adapted to the spectral sensitivity of the eye. This makes the Testo 540 ideally suited to the measurement of light intensity at workplaces. 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.


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.

Testo 540 Specifications:

  • Sensor: Photo diode.
  • Parameters: Lux (lm/m2), foot candle (lm/ft2).
  • Measuring ranges: 0...99999 Lux, 0...93000 ftc.
  • Resolutions: 1 Lux (0 - 19,999 Lux), 10 Lux (rest of range), 0.1 ftc (0 - 1,858.0 Lux), 1 ftc (rest of range).
  • Measuring rate: 0.5 s.
  • Storage temperature: -40 to +70 °C.
  • Battery type: 2 x Type AAA.
  • Battery life: 200 h (without display light).
  • Protection class: IP40.
  • Dimensions: 133 x 46 x 25 mm.
  • Weight: 95 g (inc. batteries and protection cap).
  • Testo 540 Warranty: 2 years.


Includes: testo 540, protection cap, wrist strap, belt holder, batteries and calibration protocol.


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Testo 540 Lux Meter