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CAT NO: DIDACTICNMT0187
Leveling Staff.
Standards:
BS 4484;IS-11961-1986
Compatible with level, theodolite and total station
Specifications:
The levelling staff shall be 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 (A6 of IS-617-1975).
If timber is used as staff material, then it shall be well seasoned, sawn in radial direction and free of defects.
The staff shall be telescopic, comprising three sections without any joint in length.
The shoe shall be of brass conforming to grade IS-292-1983.
The top plate shall be of aluminium, anodised black and of grade A6 of IS-627-1975.
Length: 4 m
Graduations: 200 divisions per meter
Graduation colour: alternating black and white (10 mm width)
Numerals: every decimetre in black
every meter in red
Accessories (conforming to same standard as above)
circular bubble sensitivity of 25 minutes per 2 mm run
carrying case canvas
plummet fittings for test and adjustment of bubble
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