testo540 pocket-sized Lux Meter
Product Descriptions
The testo 540 light meteris a quick and easy-to-use entry level model designed for measuring lighting conditions in the workplace.
• For quick ‘n easy measurements in the workplace
• Sensor is modelled on the spectral sensitivity of the human eye
• Hold function, min/max values
• Protective cap for safe storage
| Light | |
| 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 |
| General technical data | |
| 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 |
