Technical Data Zoom80 | 155
7.1.3 Distance Measurement with Reflectors
Range
Atmospheric
conditions
Reflector Range A Range B Range C
[m] [ft] [m] [ft] [m] [ft]
Circular prism 1800 6000 3000 10000 3500 12000
3 prisms 2300 7500 4500 14700 5400 17700
360° prism 800 2600 1500 5000 2000 7000
360° Mini prism 450 1500 800 2600 1000 3300
Mini prism 800 2600 1200 4000 2000 7000
Reflective tape
60 mm x 60 mm
150 500 250 800 250 800
Shortest measuring distance: 1.5 m
Range A: Strong haze, visibility 5 km; or strong sunlight, severe heat
shimmer
Range B: Light haze, visibility about 20 km; or moderate sunlight, slight heat
shimmer
Range C: Overcast, no haze, visibility about 40 km; no heat shimmer
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