6 RetroSign GR1 & GR3 · Retroreflectometer
The RetroSign measures the retroreflection and calculates R
A
according to international standards. Results are pre-
sented on an LCD panel.
Each measurement can be marked with a user defined name (measurement ID) of up to 12 alphanumeric characters and
an auto incrementing sequence number.
The memory provides on site registration of measurements with corresponding date, time, ID, measurement status, GPS
position (optional) and TAG code (optional).
The GR1 or GR3 is equipped with a USB port that gives easy PC access to measurement data and diagnostics.
The RetroSign is powered by a rechargeable battery, offering many hours of measurement capacity. A mains powered
battery charger is supplied as standard.
RetroSign Retroreflectometer features
• Portable instrument
• Measurement in full daylight
• Photopic corrected detector and source »A«
• Automatic stray light compensation and error diagnostics
• Measurement geometry and illumination corresponding to realistic viewing condition in night time traffic
• Direct digital read out
• Easy calibration procedure
• Reference cap for calibration
• Real time clock
• Automatic data storage in non-volatile memory
• Automatic programmable power off function
• USB port providing easy communication for data transfer, extended control and diagnostics
• Long lifetime battery
• 230 V/ 50 Hz or 120V/60 Hz mains powered battery charger
• Small support flange with cross hair
• Aperture reducer Ø15 mm (0.60 in)
• USB cable
• Shoulder strap
• Carrying case
Options
• Extension pole kit with remote trigger, display and large support flange.
• Advanced 16 channel GPS receiver
• Barcode reader for measurement documentation
• RFID (Radio Frequency ID) tag reader, for measurement documentation using wireless smart tags
• Bluetooth (wireless communication link) for wireless data and control
• Fast 12V powered battery charger (approx. 15 minutes)
• Extra Battery.
• Aperture Reducer Ø10 mm (0.40 in)
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