Survey Umbrella

Description

We are supply of Octagonal Cross Staff as per the set industry Standards.

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.

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

Rain gauge is designed to measure the precipitation. This small Version consisting of upper and lower housing part, measuring cylinder; Housing made of stainless steel, orifice rim made of brass. Type 7019.0000 can be supplied with a receiving area of 100 cm2. (This type is not conforming to meteorological standards). • Receiving area : 100 cm². • Rain measure (graduated glass) : 250 cm³. • Measuring range : 0 t0 25 mm precipitation (relative to a receiving area of 100 cm²). • Graduation : 1/1 mm precipitation. • Dimensions : dia 115 mm; height 300 mm. • Weight : approx. 0.8 kg.