CST Berger CST302R 2 Second Reflectorless Total Station 56-302R


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Overview for the CST Berger CST302R 2 Second Reflectorless Total Station

CST/Berger’s CST302R 2 Second Reflectorless Total Station 56-302R offers powerful features in a versatile, easy-use instrument. It’s ideal for surveying, mapping, geomarking, and construction staking. It also has industrial and environmental applications.


CST/Berger’s CST302R 2 Second Reflectorless Total Station 56-302R is a force to be reckoned with. With superior optics capable of up to 30X magnification, it has a field of view of 1°30′ with a minimum focus of 1.3m. Despite being packed with powerful optics, this total station offers 2″ and 5″ angle accuracies. You get precise measurement accurate up to 660 ft (200m), without being encumbered by prisms. Includes on-board software and battery. Made to withstand the rigors of the field, this total station is solidly water-resistant and includes a rugged carrying case.

Ease & Versatility

CST/Berger’s CST302R 2 Second Reflectorless Total Station 56-302R is built to handle diverse situations straightforwardly. Despite its power-packed accuracy features, its collimator is surprisingly easy to target. LCD graphic display screen is dual-sided, showing up to four lines. Three language options are built in for seamless use in multilingual environments. It includes a combined alphanumeric keyboard. Uploading, transferring, and storing data is easy with three available port formats. You can use the built-in USB or RS-232 ports for upload and transfer, or use the SD card interface for near-limitless storage capability.

The product includes a powerful software package and cable, double battery pack and charger, plumb bob, and set of tools, all in a convenient carrying case. Instructions provided. One-year manufacturer’s warranty.


Features for the CST Berger CST302R 2 Second Reflectorless Total Station

  • 2-second accuracy
  • 15,000-point internal memory
  • 656 foot range
  • Built-in laser pointer
  • Pinpoint accuracy narrow beam collimator
  • SD data card
  • USB port
  • Dual graphic LCD display
  • Alphanumeric keyboard


Specifications for the CST Berger CST302R 2 Second Reflectorless Total Station

Weight 12 lbs (5.4kg)
Dimensions 6.300 in. x 5.905 in. x 13.386 in.(160 x 150 x 340 mm)
Warranty 2-year manufacturer’s warranty
Angle Measurement
Measuring Method/Reading System photoelectric detection by incremental encode
Detection Method horizontal:dual; vertical:dual
Minimum Reading 1-second
Accuracy 2-second
Diameter of Circle 3.11 in.(79mm)
Distance Measurement
Unit of Measure (distance display) m/ft
Tilt Sensor/Compensator
Range ±3 minutes
Type liquid electric detection/plate vial
Power Source rechargeable Li-H battery NB-36
Battery Life 5-6 hours
Battery Life Alert yes
Voltage DC6V
Optical Plummet
Image erect
Magnification 3x
Field of View 5 degrees
Focus Range 0.3~infinity
Plate/Tubular Bubble Vial 30 sec. per division/2mm
Circular Bubble Vial 8 min. per division/2mm
Length of Tube 5.984 in.(152mm)
Image erect
Diameter of Objective Lens (Aperture) 0.060 in.(45mm) EDM: 1.850 in.(47 mm)
Magnification 30x
Field of View 1 degree 30 arcmin
Resolving Power 3 arcsec
Minimum Focus Distance 4.265 ft. (1.3 m)
Ratio of Stadia Lines 100
Sight Distance Precision/Focus Range less than/equal to 0.4%D
Display and Keypad
Type dual-large LCD display
Operating -4Fº~122ºF (-20ºC~50ºC)
Storage -4Fº~122ºF (-20ºC~50ºC)
Surveying and Construction yes
Mapping and GIS (geographic information systems) yes
Utilities yes
Environment Studies yes
Geomarking yes
Archaeology yes
Accident Reconstruction yes
Measurement Range (under fair weather conditions)
Single Prism 9,842 ft (3.0 km)
Triple Prism 16,404 ft (5.0 km)
No Prism 656 ft (200 m)
Coordinate Measurement Point yes
Angle and Distance Stake Out yes
Stake Out Line yes
Offsets yes
Missing Line yes
Remote Elevation yes
Resection yes
Area Calculation yes


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