Datasheet

55
testo 540
Technical data / Accessories
testo 540
testo 540 handy Lux meter incl. protection cap,
batteries and calibration protocol
Part no. 0560 0540
General technical data
Measurement rate 0.5 s
Storage temperature -40 to +70 °C
Protection class IP40
Operating temperature 0 to +50 °C
Battery type 2 AAA micro batteries
Battery life 200 h (average, without display illumination)
Dimensions 133 x 46 x 25 mm
Weight 95 g (incl. batteries and protective cap)
Warranty 2 years
Accessories Part no.
Accessories for measuring instrument
0520 0010ISO calibration certificate/light
Calibration points 0; 500; 1000; 2000; 4000 Lux
Sensor type Silicone photodiode
Measuring range
Accuracy
±1 digit
Resolution
0 to 99999 Lux
1 Lux (0 to 19999 Lux)
10 Lux (remaining range)
±3 Lux or ±3 % of m.v. (compared to
reference Class B, DIN 5032 Part 7)