General technical data | |
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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 |
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 |
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For quick and easy light measurements in the workplace
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Sensor is modelled on the spectral sensitivity of the human eye
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Hold function, min/max values
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Protective cap for safe storage
The testo 540 lux meter is a quick and easy-to-use entry level model designed for measuring lighting conditions in the workplace.
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