Tribrach

Description

• Made of Aluminium/brass. • Size 100mm, 125 mm, 150 mm dia. • Complete in Case with Aluminium Telescopic/Rigid/Wooden Tripod. • Aluminium circle consist of a needle graduated to 30min (0.5) graduations. • Painted with water proof paints. • Carrying cases are made of Fibre with carrying straps. Least count 30'.

Description

Our expertise enables us to develop a broad range of measuring and survey equipment and instruments such as Line Rangers. Manufactured using high grade metal and alloys, these line rangers can be availed in standard as well as customized sizes and specifications. Used for various testing and measuring activities by our clients, our range can be availed at most descent prices.

Specifications :

• The levelling staff of sturdy design that meets the requirements for intensive field work. • The staff material should be one of the following: teak, cypress, kail, aimi, champ, hollock or aluminium alloy. • If timber is used as staff material, then it has well seasoned, sawn in radial direction and free of defects. • The staff is telescopic, comprising three sections without any joint in length. • The top plate made of aluminium, anodised black. • Length 4 m

Accessories

• Circular bubble sensitivity of 25 minutes per 2 mm run. • Carrying case canvas. • Plummet fittings for test and adjustment of bubble.

Description

• Compass survey is a method of surveying by taking bearings and linear distances to produce plan. • Bearing is measured using prismatic compass, while the linear distance is measured using measuring tape. • Bearing in compass surveying means angle is made by chain line or survey line by referring it to magnetic meridian or magnetic north.