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Testo
Testo Pocket Pro 540 Light Meter
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Ключевые параметры
Measuring range
0 to 99999 Lux (0 to 9300 ftc)
Accuracy
±3 Lux or ±3% of m.v. (vs reference at 90° incidence)
Sensor
Silicon photodiode matched to human-eye spectral sensitivity
Resolution
1 Lux (0…19999); 10 Lux (remaining)
Measurement Rate
0.5 s
Operating Temperature
0 to +50°C
| Параметр | Значение |
|---|---|
| Measuring range | 0 to 99999 Lux (0 to 9300 ftc) |
| Accuracy | ±3 Lux or ±3% of m.v. (vs reference at 90° incidence) |
| Sensor | Silicon photodiode matched to human-eye spectral sensitivity |
| Resolution | 1 Lux (0…19999); 10 Lux (remaining) |
| Measurement Rate | 0.5 s |
| Operating Temperature | 0 to +50°C |
| Protection | IP40 |
| Power | 2× AAA; typical 200 h without display illumination |
| Dimensions | 133 × 46 × 25 mm |
| Weight | 95 g incl. batteries and protective cap |