Order Code: 0560 0540

Testo 540 – Pocket-sized Lux meter
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 the comfortable readout of the measurement values. Max. and min. values are displayed at the press of a button. The clip-on protective cap, wrist strap and belt holder ensure safekeeping of the instrument. testo 540 is very handy, small and easy to operate.

Features
- Sensor adapted to spectral sensitivity of the eye
- Hold-function and max./min. values
- Display illumination


Silicone photodiode
Measuring range: 0 to 99999 Lux
Accuracy ±1 digit: ±3 Lux or ±3 % of m.v. (compared to reference Class B, DIN 5032 Part 7)
Resolution: 1 Lux (0 to 19999 Lux) 10 Lux (remaining range)

Measurement rate: 0.5 s
Protection class: IP40
Battery life: 200 h (average, without display illumination)