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
Digital Testo 540 Lux Meter at Rs 8570 in Mumbai | ID: 2849951711555
Testo 540 Pocket-Sized Lux Meter (Range: 0 to 99999 Lux) Thermometer - Testo : Flipkart.com
Lux meters for high-precision light measurement | Testo, Inc
testo 540 - Light meter Order-Nr. 0560 0540 100% New & Original with Very Competitive Price and one Year Warranty | testo 540 - Light meter Order-Nr. 0560 0540 100% New &