Changzhou Dadi Surveying Science & Technology Co., Ltd.

Changzhou Dadi Surveying Science & Technology Co., Ltd. Since 1991
Theodolite


Angle Measurement
ACCURACY2" (0.6 MGON)
READING SYSTEMABSOLUTE ENCODER
UNITSDEG / MIL / GON / V %
MINIMUM INCREMENT (DEGREE, GON)
2" MODELS1.0" (0.2 MGON)
CIRCLE DIAMETER 74 MM (2.9 IN)

 

Telescope
TUBE LENGTH 120.4 MM (4.7 IN)
IMAGEERECT
MAGNIFICATION30X

FIELD OF VIEW

1˚ 30’

RESOLVING POWER

15 SET

EFFECTIVE DIAMETER OF OBJECTIVE 47 MM (1.85 IN)

MINIMUM FOCUSING DISTANCE

1.5 M (4.9 FT)
LASER POINTERwith optional red/green laser) COAXIAL RED/GREEN LIGHT
RETICLE TYPE CROSSHAIR
STADIA RATIO / CONSTANT100 / 0

 

TILT SENSOR
TYPESingle-axis (Vertical Compensation)
METHODLIQUID-ELECTRIC DETECTION
COMPENSATION RANGE±3’ RANGE
RESOLVING POWER6"


POWER
HOT SWAPPABLE NI-H BATTERYBDC 1600mAh (ABOUT 10 HOURS)
OUTPUT VOLTAGE6V

 

GENERAL SPECIFICATIONS
SENSITIVITY OF CIRCULAR LEVEL VIAL ON TRIBRACH 10’/2 MM
TUBULAR30”/2 MM
CIRCULAR8’/2 MM
TANGENT CLAMPS YES
INTERNAL PLUMMET CLASS 2 LASER (1.5MM@ 1.5 M)
DIMENSIONS (W X D X H) 7.0 IN X 6.5 IN X 13.9 IN (180 MM X 166 MM X 355 MM)

 

WEIGHT(APPROX.)
2”, 3”, 5” MAIN UNIT9.0 LB (4.1 KG)
DADI'SINCE 1991 THEODOLITE0.4 LB (0.2 KG)
BATTERY 3.9 LB (1.7 KG)
CARRYING CASE


ENVIRONMENTAL
OPERATING TEMPERATURE RANGE-20 'C to +45°C

 


What's in the Box

DE3A Digital Electronic Theodolite (2-Second)

Hard Carrying Case

Soft Nylon Key Brush

Toolkit with Cleaning Cloth (For Lens), Screwdriver and 1 Needle

NiMH Rechargeable Battery Pack

5 AA Alkaline Battery Holder

Battery Charger

User Manual


Surveying accessories

Tripod

J-1A

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Staff

3m

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Prism

AK18-1

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Triple
TPS30-Y1.jpg

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