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Testo 545 Lux meter (lighting levels)

MANUFACTURER Testo Limited (manufacturer's website)
AVAILABILITY Official workshop hours are: 9:30 to 12.30 and 13.30 to 16:30 (in practice technicians are often available outside of these times)
CONTACT 1 External enquiries: Martine Dobson - Funding, Development & Support
CONTACT 2 Internal enquiries: Paul Critchley - Principal Technician
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SITE Media Factory Site


Testo 545 Lux meter (lighting levels)

The testo 545 lux meter for natural and artificial light comes with a permanently attached light sensor that allows you to measure the light intensity in the workplace, offices, schools and hospitals both quickly and reliably.

At-a-glance look at the benefits of the testo 545 light meter

The testo 545 lux meter can be used to carry out selective as well as long-term light intensity measurements. It has a built-in data logger which can save up to 3 000 readings and can be used to perform both selective and time-based averaging.

What's included

Testo 545 light meter with permanently attached sensor, calibration certificate, batteries.

Product advantages

  • Multi-point or timed mean calculation
  • Stores up to 99 file locations
  • Logger function (3000 readings)
  • Fast documentation on site on the Testo printer

Images and text courtesy of www.testolimited.com


  • Memory: 3000, LCD, 4 lines
  • Storage temperature: -20 to +70 °C
  • Operating temperature: 0 to +50 °C
  • Battery type: 9V block battery
  • Battery life: 50 h
  • Weight: 500 g
  • Dimensions: 220 x 68 x 50 mm
  • Material/Housing: ABS

Probe - Lux

  • Meas. Range: 0 to +100000 Lux
  • Resolution: 1 Lux (0 to +32000 Lux), 10 Lux (0 to +100000 Lux)

Item ID #2177.

Last Updated: 8th November, 2016