The York Survey 30140 Retro Target Sheet provides 81 individual, high-performance 25mm x 25mm square reflective stickers. Formulated with professional-grade Retro-Mark fluorescent yellow vinyl, these targets offer outstanding visibility in broad daylight and low-contrast conditions. Designed to integrate seamlessly with Electronic Distance Measurements (EDM'S), total stations, and laser scanners, they allow engineers to track building settlement, structural deformation, and site coordinates accurately across extensive distances without relying on heavy glass prisms.

• Maximum Daylight Visibility - Bold fluorescent yellow design provides an excellent visual anchor during daytime site setups.
• Long-Distance Accuracy - A single 25mm square target achieves a measuring range exceeding 100 metres with millimetre precision.
• Flexible Intersection Angles - Delivers reliable measurement data even at sharp angles of intersection up to 60 degrees.
• Scaleable Multiples - Combine targets in grids of 5 or 9 to drastically boost maximum distance capacity for large-scale infrastructure projects.
• Industrial Adhesive Backing - High-tack, self-adhesive backing secures tightly to stone, concrete, steel, and timber for long-duration monitoring.
• High Yield Pack - Single backing sheet supplies 81 pre-cut targets, maximising cost efficiency on busy job sites.