Pack of 200 Yellow Retro Survey Targets 20x20mm Adhesive For EDM. New

Pack of 200 Yellow Retro Survey Targets 20x20mm Adhesive For EDM. New From UK seller Retro Survey Targets (100 Pack) 20x20 mm Perfect For Control Stations VAT Invoice available Specification: • Brand new • Colour: Yellow • 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: • 200x Yellow Reflector Retro Targets