Quick detection Accurate data Manufacturer Traffic Sign Retroreflectometer UNS-JT Patented optical system Retroreflectometer is a portable on-site measuring instrument, used for the determination of night visibility of traffic signs and safety garments. ...
Quick detection Accurate data Manufacturer Traffic Sign Retroreflectometer UNS-JT Patented optical system Retroreflectometer is a portable on-site measuring instrument, used for the determination of night visibility of traffic signs and safety garments. ... more