Sokkia SDL30 Operator's Manual page 79

SDL50:
Distance
Measuring modes:
Measuring time:*2
Automatic compensator: Magnetic
Compensation range:
Wave-and-Read
Recommended brightness level for measurement
Recommended speed for waving of staff
Measuring range
Recommended staff*3: BGS series
*1 When measuring outdoors with minimal atmospheric motion,
the staff set up in natural sunlight and luminosity at the surface
of the staff equal to 20lx.
*2 When measuring to a staff set up outdoors in fine to cloudy
conditions.
*1, 2 These specifications may change depending on the weather
conditions and measurement conditions.
78
Electronic Measurement
0.8mm (0.03in.) (with BIS20/30)
1.5mm (0.06in.) (with BGS40/50/50G)
1.7mm (0.047in.) (with BAS55)
Visual Measurement
2.0mm (0.08in.) (with BGS40/50/50G)
2.5mm (0.06in.) (with BAS55)
±10mm (less than 10m measurement)
±(0.1% x D) (10 to 50m measurement)
±(0.2% x D) (more than 50m measurement)
(D: measured distance, unit: m)
Single / Repeat / Average / Tracking /
Wave-and-Read (selectable)
Single / Repeat approx. 2.5 sec.
Average No. of measurements set
Tracking
mechanism
±15'
150 lx or more
0.5Hz (3 passings of the staff through the
vertical position in 3 seconds)
Waving angle:5 to 10
Height : 0.5 to 4m
Distance: 5 to 50m
BAS55 (up to heights of 3m)
x approx. 2.5 sec.
approx. 1 sec.
damping
°
either side of the vertical position
and pendulum