Zoom20/30/35 Pro | 90Technical Data
15 Technical Data
15.1 Angle Measurement
Accuracy
Characteristics Absolute, continuous, diametric. Updates each 0.1 to 0.3 s.
15.2 Distance Measurement with Reflectors
Range
Atmospheric conditions
Accuracy Accuracy refers to measurements to standard reflectors.
Beam interruptions, severe heat shimmer and moving objects within the beam path can result in devia-
tions of the specified accuracy.
Characteristics
Available
angular accura-
cies
Standard deviation HA,
VA, ISO 17123-3
Display resolution
["] [mgon] ["] [°] [mgon] [mil]
1 0.3 1 0.0001 0.1 0.01
2 0.6 1 0.0001 0.1 0.01
3 1.0 1 0.0001 0.1 0.01
5 1.5 1 0.0001 0.1 0.01
7 2 1 0.0001 0.1 0.01
Reflector Range A Range B Range C
[m] [ft] [m] [ft] [m] [ft]
Standard prism 1800 6000 3000 10000 3500 12000
3 prisms
A2/A4/A6 2300 7500 3000 10000 3500 12000
A10 2300 7500 4500 14700 5400 17700
Reflector foil
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
EDM measuring mode Standard deviation
ISO 17123-4
Measurement time, typical [s]
A2/A4/A6/A10 Zoom20/30 Pro Zoom20, Zoom35
Pro
IR-Default 2 mm + 2 ppm 2.4 2.4
IR-Quick 3mm + 2ppm 2.0 1.0
IR-Continuous 3 mm + 2 ppm 0.33 0.3
Foil 3 mm + 2 ppm 2.4 2.4
Principle: Phase measurement
Type: Coaxial, visible red laser
Carrier wave: 658 nm
Measuring system: Zoom20/30 Pro, A2/A4/A6: Distance measurement system using phase-
shift principle with frequency 320 MHz
Zoom20/Zoom35 Pro, A4/
A10:
System analyser basis 100 MHz - 150 MHz
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