Theodolite Surveying Lab Manual

Theodolite

  • Survey-I SURVEYING –I List of Practical (Minimum 15 practical should be performed out of the following) 1) Measurement of distance by ranging and chaining. 2) Locating various objects by chain & cross staff surveying. 3) Determination of area of polygon by chain and cross staff survey.
  • Definition of Surveying 1.1.1 B. Importance of Surveying 1.1.1 C. Purpose of Manual 1.1.2 D. Scope of Manual 1.1.2 1-02 Organization A. Division of Plats and Surveys 1.2.1 B. Duties and Responsibilities 1.2.5 1-03 Public and Internal Relations A. General 1.3.1 B. Relations With the Public 1.3.1 C. Relations with Property Owners 1.3.2.

Theodolite ET-Series

Centering the Theodolite over the instrument station Approximate leveling of Theodolite with the help of the tripod legs only Centering It is the operation by which the vertical axis of the theodolite represented by a plumb line is made to pass through the mark of instrument station on the ground. Approximate leveling. The theodolite has two power options: Disposable and rechargeable batteries. The rechargeable batteries are supplied in a sealed pack. The disposable batteries are inside a similar shaped pack with a sliding door. To remove the pack, turn the knob until the mark “ ” points to UNLOCK, then remove the battery pack. Theodolite traversing lab manual. Distance measuring instrument, pdf theodolite traversing. Surveying multiple choice questions, mathematics common dumpy level, ii lab manual pdf. Surveying notes pdf. Rehabilitation wastewater collection systems. Civil engineering computer science. Optical theodolite traversing.

Absolute Encoding
Dual Sides
Large Display

Theodolite Surveying Equipment

Specifications

Theodolite Surveying Pdf

ET-05/ET-05L

Angle Measurement

Measuring method

Absolute code

Raster diameter

79mm

Min display unit

1″/ 5″Selectable

10'

Accuracy

2″

5″

Horizontal angle

Dual

Dual
Vertical angle
Dual
Dual

Telescope

Image

Erect

Tube length

157mm

Effective aperture

45mm (EDM:50mm)

Magnification

30×

Field of view

1°30′

Minimum Focusing Distance

1.4m

Resolving Power

3″

Stadia ratio
Stadia constant
0

Auto Compensator

System

Liquid-electric detection

Plate Vial

Work range

±3′

Resolving power

1″

Vial

Plate vial

30″/2mm

Circular vial

10′/2mm

Optical Plummet

Image

Erect

Magnification

Focusing range

0.5m~∞

Field of view

Display

Type

LCD display 2sides

Laser Pointer
Laser Rangebe seen up to 100 meters away

On-board Battery

Power supply

Rechargeable Ni-H battery/AA Battery

Voltage

DC 6V

Continuous operation time

10hours

Size & weight

Dimension

L145*H318*W179

Weight

5.2㎏