The testo 540 light meter is a quick and easy-to-use entry level model designed for measuring lighting conditions in the workplace.
| Measuring range | 0 to 99999 Lux 0 to 9300 ftc |
|---|---|
| Accuracy | ±3 Lux or ±3 % (compared to reference instrument at 90° light irradiation) |
| Resolution | 1 Lux (0 to 19999 Lux) 10 Lux (Remaining Range) |
| Measuring rate | 0.5 s |
| Weight | 95 g (incl. batteries and protective cap) |
|---|---|
| Dimensions | 133 x 46 x 25 mm |
| Operating temperature | 0 to +50 °C |
| Protection class | IP40 |
| Battery type | 2 AAA micro batteries |
| Battery life | 200 h (average, without display illumination) |
| Storage temperature | -40 to +70 °C |
Malaysia