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Retroreflectometers
RetroSign GR1 Retroreflectometer
RetroSign measures all types of retroreflective sheetings for road signs. Aperture reducers make it possible for RetroSign retroreflectometers to measure small letters and symbols on road signs.
RetroSign GR3 Retroreflectometer
The photometric filter in the G3 RetroSign is the most accurate, sensitive and durable filter in the world. When combined with the point aperture geometry, laboratory precision readings for all colours and all types of retroreflective sheetings is ensured.
