উচ্চ নির্ভুলতা সাইন রেট্রোরিফ্লেক্টোমিটার

Video Description:
Discover the High Precision Red Sign Retroreflectometer, designed for accurate measurement of retroreflective coefficients with an error of reproducibility ≤3%. Ideal for compliance with EN12899-1, ASTM D4956, and more, this device features advanced optics, a 3500mAh battery, and works in temperatures from -5℃ to +50℃.
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