All our products are made from:
3M diamond grade DG3 4000 with initial coefficient retro reflective property of 570 cd/lux/m2
10 double sided monitoring or control targets with a constant offset of 1mm.
Set at 90 degrees for ease of sighting from 2 sides, as 2 different redsretros reflective targets are positioned on both sides to allow measuring without need for rotating, the 2 different targets also reduces sighting errors, if target are all set to correspond in the same direction.
They can easily be bonded to any surface using widely available high grip adhesive.
Made from high spec durable plastic, designed to withstand all weathers and conditions.
Supplied in sets of 10 .
Postage and packing included within the price, via 1st class Royal mail recorded post.
Ideal for railway track monitoring or tight angle monitoring, also ideal for mounting at high level facing down or used to add fixed control for resecting up and over a Wall, Building or along narrow sight lines. etc.
Ideal for mounting of a ceiling or roof along a narrow structure such as a tunnel for a fraction of the cost of a prism and adaptor
Ideal for monitoring, if you require 2 sets of measurements from a flat baseline.
The 45mm circular design makes them very easy to sight against most backgrounds
The retro targets are produced using only to highest grade 3m film and give great return of signal in the same way as our other targets.
Produced in the UK by ourselves, all British components and materials.
see the last photo for all our products