Pack of 10 Retro Survey Targets 50x50 mm Adhesive For EDM. New

Pack of 10 Retro Survey Targets 50x50 mm Adhesive For EDM. New From UK seller Retro Survey Targets (Pack of 10) 50x50 mm Perfect For Control Stations Invoice available if requested Specification: Brand new Size: approx. 50*50mm 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: 10x Reflector Retro Targets Note: Item colour displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.