Steel Band Chain
Specification:
These types of chain consist of a long narrow strip of steel of uniform width of 12 to 16 mm and thickness of 0.3 to 0.6 mm. this chain is divides by brass studs at every 20cm or instead of brass studs, band chain may have graduated engraving as centimeter. For easy use and workability band chains are wound on steel crosses or metal reels from which they can be easily unrolled.
These steel bands are available in 20m and 30m length and the width of about 12-16mm.
Telescopic Alidade
Specification:
The telescopic alidade is used when it is required to take inclined sights. It essentially consists of a small telescope with a level tube and graduated arc mounted on horizontal axis.
It gives higher accuracy and more range of sights.
Theodolite
Specification:
Theodolites have Smart appearance,
reasonable structure, practical functions. They are
easy-to-use, and with excellent performance and
reliable quality. (Includes: theodolite, tribrach, NiH
rechargeable battery, Charger, user manual, and one
year manufacturer warranty)