Leica FlexLine plus User Manual page 168

Accuracy
Characteristics
FlexLine plus, Technical Data
Accuracy refers to measurements to standard reflectors.
EDM measuring mode
Precise+
Precise&Fast
Tracking
Tape
Average
Beam interruptions, severe heat shimmer and moving objects within the beam path
can result in deviations of the specified accuracy.
Principle:
Type:
Carrier wave:
Measuring system:
Standard deviation ISO 17123-4
1.5 mm + 2 ppm 1.5 mm + 2 ppm 2.4
2 mm + 2 ppm 2 mm + 2 ppm
3 mm + 2 ppm 3 mm + 2 ppm
3 mm + 2 ppm 3 mm + 2 ppm
1.5 mm + 2 ppm 1.5 mm + 2 ppm Depends on defined
Phase measurement
Coaxial, visible red laser
658 nm
System analyser basis 100 MHz - 150 MHz
Distance measurement system using phase-shift principle
with frequency 320 MHz
Measurement
time, typical [s]
2.4
2.0 1.0
0.3 0.3
2.4 2.4
number of measure-
ments
168