Specifications
 
Distance Measurement
WITH SINGLE PRISM    
Good conditions
(good visibility, overcast, twilight, low ambient light) 
3000m
REFLECTORLESS MODE    
Good conditions
(good visibility, overcast, twilight, low ambient light)
400m
ACCURACY IN STANDARD MEASUREMENT MODE    
Prism    ± (2 mm + 2 ppm·D)
Reflectorless    ± (3 mm + 2 ppm·D)

MEASURING TIME
STANDARD MODE    1s
TRACKING MODE    0.8s
 
Angle Measurement
Accuracy    2" (0.6 mgon)
Reading system    Absolute encoder
Unit    Degree/Mil/Gon/V %
Minimum increment (Degree, Gon) 2" models
1.0" (0.2 mgon)
Circle diameter    74 mm (2.9 in)
Horizontal/Vertical angle    Diametrical/ Single
 
Telescope
Tube length    161.3 mm (6.3 in)
Image    Erect
Magnification    30x
Field of View    1°30'
Resolving Power    3.5"
Effective diameter of objective lens    48 mm (1.85 in)
Minimum Focus Distance    1.5 m (4.9 in)
Laser Pointer    Coaxial Red Light
Reticle type    Crosshair
Stadia Ratio / Constant    100 / 0

TILT SENSOR
Type    Single Axis
Method    Liquid-electric detection
Compensation range    ±3'
 
COMMUNICATIONS
Communication ports    1 x serial (RS-232C)
Wireless communications    No

POWER
Li-ion battery (x2)    7.2V
Output voltage    approx. 6.5h
Charging time, full charge both batteries    
   
GENERAL SPECIFICATIONS
Sensitivity of Circular level vial on tribrach    10'/2 mm
Tubular    30"/2 mm
Circular    8'/2 mm
Tangent Clamps    Yes
Software    DADI survey pro-T
Internal Plummet    Class 2 Laser (1.5mm@ 1.5 m)
Dimensions (W x D x H)    180 mm x 175 mm x 355 mm

WEIGHT (APPROX.)
2" Main unit    6.5 KG
DADI 624R Total station    0.2 KG
Battery    1.7 KG
Carrying case    

ENVIRONMENTAL
Operating temperature range    -20 °C to +50 °C (-4 °F to +122 °F)
Storage temperature range    -25 °C to +60 °C (-13 °F to +140 °F)
Atmospheric correction    
Temperature range    -23 °C to +55 °C (-9.4 °F to +131 °F)