Description
The testo 540 lux meter: compact, easy-to-use, precise
The testo 540 lux meter is a pocket-sized entry-level model designed specifically for carrying out spot checks in the workplace, shops, and offices. The light sensor is modeled on the spectral sensitivity of the human eye and is ideal for measuring lighting conditions in a variety of different workplaces.The compact, easy-to-use lux meter has a number of useful functions and features including a large, easy-to-read display, min/max values that can be shown at the touch of a button, a hold function that allows you to freeze the last reading, and a protective cap for safe storage.
Delivery Scope
Technical Data
| Light | |
|---|---|
| Measuring range | 0 to 99999 Lux
0 to 9300 ft |
| 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 |
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