Type
Horizontal
Vertical
Static with long observa-
tions
3 mm + 0.1 ppm
3.5 mm + 0.4 ppm
Type
Horizontal
Vertical
Single Baseline (<30 km)
8 mm + 1 ppm
15 mm + 1 ppm
Network RTK
8 mm + 0.5 ppm
15 mm + 0.5 ppm
Tilt compensated in real-time
Additional Hz pole tip uncertainty:
Typically 5 mm + 1.5 mm/° for topographic points (not for static control points)
6.1.3
Technical Data
Height:
0.090 m
Diameter:
0.190 m
Instrument weight without battery, SIM card and SD card:
Type
Weight [kg]/[lbs]
GS18
1.23/2.71
Data (Leica GNSS raw data and RINEX data) can be recorded on the SD card.
1 GB is sufficient for over 1 year of raw data logging based on logging every
15 s from an average of 15 satellites.
Power consumption:
Radio excluded: 3.5 W typically, 300 mA (with exter-
nal battery), 320 mA (with internal battery)
External supply volt-
age:
Nominal 12 V DC ( , GEV71 car battery cable to a
12 V car battery), voltage range 12 V
‑
24 V DC
Type
Battery
Voltage
Capacity
Operating time, typical*
GS18 Li-Ion
11.1 V
GEB331:
2.8 Ah
8 h
* Operating time depends on use of wireless communication devices.
GEB371
Type:
Li-Ion
Voltage:
13 V
Capacity:
16.8 Ah
The given operating times are valid for
•
GS18: instrument; one fully charged GEB331 battery.
•
Room temperature; operating times will be shorter when working in cold
weather.
Differential phase in
real-time
Tilt
Dimensions
Weight
Recording
Power
Internal battery
External battery
Operating times
Technical Data
49
Summary of Contents for GS18
Page 1: ...Leica GS18 User Manual Version 1 0 English ...
Page 55: ......
