Specification :

Specifications Theodolite Sokkia DT 540
Model: DT 540
Laser specifications: -
laser range
Daylight: -
Indoor ( 700 lux) : -
telescope
Length: 149mm ( 5.9in.)
Objectives aperture: 45mm ( 1.8in.)
Magnification: 30x
Resolving power: 2.5 "
Figure / Field of view: upright / 1 ° 30 ' ( 26m / 1, 000 m)
Minimum Focus: 0.9m ( 3.0ft.)
Stadia: Multiplication constants: 100, Additive constant: 0
Reticle illumination: Y
measurement angle
Method: Absolute rotary encoder scanning
detecting
Horizontal: straight
vertical:

Display Resolution: 1 " / 5" 0, 2 / 1mgon
Accuracy: 5 "
Circle Diameter: 71mm ( 2.8in.)
Automatic Compensation range: ± 3 ' ( ± 55mgon)
general
Control panel layout: On both faces
Display: LCD, 7 digits x 2 lines, the backlight
Interface: RS-232C

sensitivity level
Plate Level: 30 " / 2mm
Circular Level:
Tribrach: Detachable
Operating temperature: -20 to + 50 ° C ( -4 ° F to 122)
Dust and water protection: IP66 ( IEC 60529: 2001)
Size ( / w handle) : W188 x D149 x H313mm ( W7.4 x D5.9 x H12.3in.)
Weight ( w / battery) : 4.1kg ( 9, 0 lb)
Power supply
Battery: LR6 / AA batteries x 4
operating time
W / alkaline batteries AT20 ° C ( 68 ° F)
Only Theodolite: Approx.140 hours
Laser Only:
Theodolite and laser: