50x Retro Survey Targets Blue 20x20 mm Adhesive For Total Stations EDM

50x Retro Survey blue Targets (50 Pack) 20x20 mm Perfect For Control Stations • UK Seller Specification: • Brand new • Size: approx. 20*20mm • Convenient to use. • Greatly improve your work efficiency. • Used on construction sites, tunnel engineering, subway engineering, bridge engineering, building construction, slope monitoring, ship survey etc. Atmospheric Conditions: • A: Dense fog, visibility 5 km, or strong sunlight, intense heat flashes • B: Mist, visibility 20 km, or medium sun, slightly hot flashes • C: Cloudy, foggy, visibility 40 km, no heat flashes Accuracy: • Standard measurement mode: 2mm +2 ppm • Fast measurement mode: 5mm +2 ppm • Tracking measurement mode: 5mm +2 ppm • The average measurement mode: 2mm +2 ppm • RL Short Mode: 3mm +2 ppm • RL Long Range Mode: 5mm +2 ppm Measurement time: (slightly different models of different instruments) • Standard measurement mode 1.0 - 3.0 seconds • Fast measurement mode 0.5 - 1.5 seconds • Tracking measurement mode 0.15-0.3 seconds • RL Long Range Mode 2.5 seconds Package includes: • 50x Reflector Retro Targets Note: • Item colour displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same