Nikon Total Station DTM-322 User Manual

Total Station DTM-322 Instruction Manual 139
Specifications 7
Angle measurement
Precision
Measurement intervals
Note – Measurement intervals may vary with the measuring distance or weather
conditions.
Clamps/tangent screws
Reading system Photoelectric detection by incremental encoder
DTM-322 Single reading on HA/VA
Circle diameter (reading) 88 mm (3.46 in.) (79 mm (3.11 in.))
Minimum display increment
360° 1''/5''/10''
400G 0.2 mgon/1 mgon/2 mgon
MIL6400 0.005 MIL/0.02 MIL/0.05 MIL
DIN18723 accuracy
DTM-322 5''/1.5 mgon
Precise mode ± (3 + 2 ppm × D) mm (-10 °C to +40 °C)
± (3 + 3 ppm × D) mm (-20 °C to -10 °C; +40 °C to +50 °C)
Normal mode ± (10 + 3 ppm × D) mm within 500 m (1600 ft)
Precise mode 1.6 sec. (initial 1.6 sec.)
Normal mode 1.0 sec. (initial 1.4 sec.)
Least count
Precise mode 1 mm (0.002 ft.)
Normal mode 10 mm (0.02 ft.)
Temperature compensation range –40 °C through +55 °C (–40 °F through +131 °F)
Barometric pressure compensation
range:
hPa 533 hPa to 1,332 hPa (1 hPa step)
mm Hg 400 mm to 999 mm Hg (1 mm Hg step)
in. Hg 15.8 in. Hg to 39.3 in. Hg (0.1 in. Hg step)
Prism offset correction –999 mm to +999 mm (1 mm step)
Type Coaxial tangent/clamp knobs
Range ±3.5°

Nikon Total Station DTM-322 Specifications

General

Telescope Magnification	30x
Compensator	Single-axis
Operating Temperature Range	-20°C to +50°C
Angle Accuracy	5 arc seconds
Distance Measurement Accuracy (Prism)	+/-(3 + 2 ppm x D) mm
Distance Measurement Range (Reflectorless)	200 m
Distance Measurement Accuracy (Reflectorless)	±(3 mm + 2 ppm x D)
Display	Dual display