Topcon AP-L1A - Page 123

22. SPECIFICATIONS
22-2
Manual Driving
Maximum rotating speed 5
:
45/sec
Coarse movement : Shuttle driving (in 7 steps)
Fine movement : Jog driving (minimum step about 1 second)
5 By reverse, rotating instruction
Distance Measurement
Measurement range :
Prism
Normal condition 6
Prism type 2, with 1 prism 1,000 m (3,300ft)
Prism type 2, with 5 prisms 1,300 m (4,300ft)
Prism type 2, with 9 prisms 1,600 m (5,250ft)
Prism type 3 or 5, with 1 prism 700 m (2,300ft)
Prism Unit Type A2/A3
(Prism Type 3, 6 prisms in all direction)
500 m (1,650ft)
6 Normal condition : Slight haze with visibility about 20km (12.5
miles) moderate sunlight with light heat shimmer.
Measurement range : 7
FINE measurement :
(3mm+2ppm)m.s.e.
COARSE measurement :
(10mm+2ppm)m.s.e.
Possible measurement max. prism moving
speed (in direction of near to far) : 20 km/h (12.5miles/h) (COARSE measurement)
Least count in measurement
FINE measurement : 0.2mm / 1mm (0.001ft /0.005ft)
COARSE measurement : 1mm / 10mm (0.005ft / 0.02ft)
Measuring interval time
FINE measurement
0.2mm mode : approx.4.5 seconds (providing 9~12 seconds for first
time)
1mm mode : approx.2 seconds (providing 3~5 seconds for first
time)
COARSE measurement
1mm mode : approx.0.5 second(providing 1~3 seconds for first
time)
10mm mode : approx.0.2 second(providing 1~3 seconds for first
time)
Atmospheric correction range : -99 ~ + 99ppm (1 ppm step)
Prism constant correction range : -99 ~ + 99mm (1 mm step)
7 The prism is staying