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Tierra

 

 

In Memory of
our former
President

David L Reitmeyer

1/15/1946 - 5/12/2010

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Top 10 Reasons
To Use
CARLSON

Topcon
Digital Theodolites

DT-200
The Topcon DT-200/DT-200L Series
High-quality advanced absolute circle reading technology for more accurate field calculations plus the option of a laser diode that's perfect for easy, one-person alignment jobs.
 


DT-200 Series Features:

  • Long Battery Life
  • Waterproof and Dustproof Digital Theodolites

DT-200L Series Features:

  • Long Battery Life
  • Waterproof and Dustproof Digital Theodolites
  • 633nm diode laser that can
  • be seen up to 50 meters away
  • outside in daylight

 

DT-200 Series

Telescope
Length
149 mm
Objective lens
45 mm
Magnification
30x power
Field of view
1°30’
Resolving power
2.5 power
Minimum focus
90 cm
Stadia ratio
100
Stadia constant
0
Sighting collimator
Double
Electronic Angle Measurement
Method
Absolute Reading
Detecting
2 horizontal sides, 1 vertical sides
Minimum reading
1"/5" arc seconds, 0.2mgon/1mgon mgon
Accuracy
5 arc seconds, 71mm Diameter Circle
Display
sides
2
LCD
7 segments
Data Output
Serial signal connector
RS-232C
Compensator
Tilt sensor
Vertical
Compensating range
±3 ft
Optical Plummet Telescope
Magnification
3x power
Field of view
3° degrees
Level Sensitivity
Plate level
40°/2mm
Circular level
10°/2mm
Water Protection
Standard
IP66 rating
Power Supply
Battery
4AA batteries
Operating time Alk.
Theodolite only
140 Hours
Environmental
Operating Temp
-20 to +50 degrees C

DT-200L Series

Telescope
Length
152 mm
Objective lens
45 mm
Magnification
30x power
Field of view
1°30’
Resolving power
2.5 power
Minimum focus
1m cm
Stadia ratio
100
Stadia constant
0
Sighting collimator
Double
Electronic Angle Measurement
Method
Absolute Reading
Detecting
2 horizontal sides, 1 vertical sides
Minimum reading
1"/5" arc seconds, 0.2mgon/1mgon mgon
Accuracy
5 arc seconds, 71mm Diameter Circle
Laser Pointer
Method
Focusing
Wave length/Power
633nm/0.6mW
Display
sides
2
LCD
7 segments
Data Output
Serial signal connector
RS-232C
Compensator
Tilt sensor
Vertical
Compensating range
±3 ft
Optical Plummet Telescope
Magnification
3x power
Field of view
3° degrees
Level Sensitivity
Plate level
40°/2mm
Circular level
10°/2mm
Water Protection
Standard
IP66 rating
Power Supply
Battery
4AA batteries
Operating time Alk.
Theodolite only
140 Hours
Laser only
80 Hours
Theodolite and laser
45 Hours
Environmental
Operating Temp
-20 to +50 degrees C