Testo 540 - Light Intensity Measuring Instrument
Product description
The sensor of the testo 540 is adapted to the spectral sensitivity of the eye. This makes testo ideal for the measurement of light intensity. The Hold function allows an easy readout of the measurement values. Max. and min. values are displayed at the press of a button. testo 540 is very handy, small and easy to operate.
Technical data
| Technical data | |
|---|---|
Storage temperature |
-40 to +70 °C |
Operating temperature |
0 to +50 °C |
Battery type |
2 AAA micro batteries |
Battery life |
200 h |
Dimensions |
133 x 46 x 25 mm |
Lux
| Technical data | |
|---|---|
Measuring range |
0 to 99999 Lux |
Accuracy |
±3 Lux ±3 % of mv (compared to reference Class B, DIN 5032 Part 7) |
Resolution |
1 Lux (0 to 19999 Lux) |
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