Distance Measurement Without Reflectors (Icr70) - Leica Geosystems iCON iCR70 User Manual

Accuracy
Characteristics
7.3
Range
Atmospheric condi-
tions
Accuracy
Characteristics
56
Accuracy refers to measurements to standard prisms.
Distance Standard
measuring deviation
mode ISO 17123-4,
standard prism
Single Auto 1 mm + 1.5 ppm
Continuous 3 mm + 1.5 ppm
with lock
Beam interruptions, severe heat shimmer and moving objects within the beam
path can result in deviations of the specified accuracy.
The display resolution is 0.1 mm.
Type
Principle
Type
Carrier wave
Measuring system

Distance Measurement without Reflectors (iCR70)

R500
Kodak Gray Card
White side, 90 %
reflective
Grey side, 18 %
reflective
Range of Measurement:
Range Description
D Object in strong sunlight, severe heat shimmer
E Object in shade, or overcast
F Underground, night and twilight
Standard deviation
ISO 17123-4
2 mm + 2 ppm
Object in shade, sky overcast. Beam interruptions, severe heat shimmer and
moving objects within the beam path can result in deviations of the specified
accuracy. The display resolution is 0.1 mm.
Type
Type
Carrier wave
Standard
deviation
ISO 17123-4,
tape
3 mm + 2 ppm
3 mm + 2 ppm
Description
Phase measurement
Coaxial, visible red laser
658 nm
System Analyzer Basis 100–150 MHz
Range D Range E
[m] [ft] [m]
300 980 500
150 490 250
1.5 m to >500 m
Measure time, typ-
ical [s]
3 - 6
Description
Coaxial, visible red laser
658 nm
Measurement
time, typical [s]
2.4
< 0.15
Range F
[ft] [m] [ft]
1640 >500 >1640
820 >250 >820
Measure time,
maximum [s]
12
Technical Data