Sanding STS-752RC - 11 Specification

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11. SPECIFICATION
MODEL
STS-752RC
STS-755RC
DISTANCE MEASUREMENT
single prism
5.0km
reflectorless
350m
accuracy
with reflector: 2mm+2ppm; without reflector: 3mm+5ppm
reading
max: 99999999.999 min: 1mm
measuring time
fine: 1s; tracking: 0.5s
atmospheric refraction &
earth curvature correction
manual input, auto correction
prism constant
manual input, auto correction
ANGLE MEASUREMENT
measuring method
absolute encoding
diameter of raster disk
79mm
minimum reading
1”/5” selectable
accuracy
2”
5”
detection method
horizontal: dual vertical: dual
TELESCOPE
image
erect
tube length
154mm
effective aperture
Telescope: 45mm; EDM: 50mm
magnification
30X
field of view
1°30’
resolving power
3”
min. focusing distance
1m
AUTO VERTICAL COMPENSATOR
system
2-axis liquid-electric
working range
±3’
accuracy
1”
LEVEL
plate vial
30”/2mm
circular vial
8’/2mm
Data Storage
Internal memory
64M
SD card
2G
OPTICAL PLUMMET
image
erect
magnification
3X