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Testo 540 Light Meter 0560 0540 Photometer Digital Luxmeter Light Tester Logger For Artificial And Natural Light - AliExpress
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Digital Light or Lux Meter Used for Measuring Brightness and Light Intensity of School, Lab, Office, Stadium, Theatres Along with Calibration Certificate by Testo Model: 540 (Range: 0~99999 Lux) - - Amazon.com
![Testo 540 Light Meter 0560 0540 Photometer Digital Luxmeter Light Tester Logger For Artificial And Natural Light - AliExpress Testo 540 Light Meter 0560 0540 Photometer Digital Luxmeter Light Tester Logger For Artificial And Natural Light - AliExpress](https://ae01.alicdn.com/kf/Hea705c8a0510484f9bb74105b687ff90C.jpg)