Skip to main content

Delta upgrades its GR series of sign reflectometers with the GRX

Delta is launching RetroSign GRX for measuring night-time visibility of road traffic signs, high visibility clothing, licence plates and reflective tapes Delta said that the GRX is replacing its previous hand-held traffic sign retroreflectometers, the GR1 and GR3 that were launched a decade ago. Similar to its predecessor models, the RetroSign GRX is very easy to calibrate and operate. It adds new features allowing users to carry out a more complete measurement programme, for example, on road traffic
January 25, 2017 Read time: 2 mins
Delta has a grip on reflectometer technology
199 Delta is launching RetroSign GRX for measuring night-time visibility of road traffic signs, high visibility clothing, licence plates and reflective tapes

Delta said that the GRX is replacing its previous hand-held traffic sign retroreflectometers, the GR1 and GR3 that were launched a decade ago.

Similar to its predecessor models, the RetroSign GRX is very easy to calibrate and operate. It adds new features allowing users to carry out a more complete measurement programme, for example, on road traffic signs.

The instrument is offered in three base models: GRX-1, GRX-3 & GRX-7 where the digit in the name tells the number of observation angles being active.

The instrument can be delivered with up to seven entrance angles. This makes the instrument suitable for both field and laboratory use.

RetroSign GRX offers features include automatic colour recognition, picture of sign, background and legend colour retroreflection and contrast, scanning of barcodes and QR codes for asset management, instrument tilt and rotation, as well as US sign library.

The sign library will allow the GRX to instantly tell if a measurement has passed or failed.

All instruments come with all features included but only those purchased will be available to the user. If additional features are required in the future, they can easily be made available according to Delta.

RetroSign GRX comes with a calibration reference calibrated in Delta’s DANAK accredited calibration laboratory and is delivered with a free-of-charge accredited calibration certificate.

For more information on companies in this article

Related Content

  • Dynapac’s F1250CS Plus Compact Paver
    June 16, 2023
    It’s the ‘Plus factor’ with Dynapac revamped F1250CS Compact Paver, especially when used with Dynapac’s RC360 Remote - a double portion of power and precision.
  • TRL delivers its vision
    July 31, 2012
    The UK's world-renowned TRL (Transport Research Laboratory) is celebrating its 75th birthday this year, and the objective of its work has not changed In 1938 Richard Stradling, director, wrote that "the objective of all the research work at RRL [now TRL] is to accumulate that body of scientific knowledge which is an essential factor in the economical and efficient construction and maintenance of our roads. Practical application of the results must be the aim throughout." While TRL's remit today is far more
  • Straight to the point for measurement
    February 6, 2018
    Leica Geosystems says it is introducing a major advance in site surveying. This offers a novel tilt compensation system, so that users are no longer required to hold the pole vertical. The new Leica GS18 T is claimed to be the world’s fastest GNSS RTK rover, while the firm is also offering the latest versions of Leica Captivate field software and Leica Infinity office software. With the addition of calibration-free GNSS and various upgrades to the Captivate field software and Infinity office software, use
  • Istanbul opts for RetroTek pavement assessments
    May 9, 2019
    Metropolitan Istanbul’s transportation department has chosen a RetroTek-M Dynamic Road Marking Retroreflector to assist with the pavement assessments. The retroreflectometer was chosen over traditional dynamic side-mounted systems because it is easy to operate, according to the manufacturer, Reflective Measurement Systems, based in Dublin, Ireland. Fitted to the front of the vehicle with good road clearance also makes it a safer solution for the operator or driver and other users. It is twice as effic