It has a flat structure of body & base for stability and sturdiness and is fitted with quadruple revolving nose-piece,having threads of international standard. Stage size 140 x120 mm,low co-axial controls for easy slide manipulation on both the axes, wih graduation and verniers. Range of movement 80 x 50 mm.The condenser unit is having rack and pinion movement with Abbe condenser N.A. 1.25, iris- diaphram and filter holder.The Electronic built-in base illumination system is fitted with a Halogen lamp of 6V/20W. Average life of the bulb is 2000 hours,Built-in transformer is controlled by various solid state electronic knob. Plano-concave reflector attachment can be easily replaced with sub-stage illuminator assembly. An edge to edge clarity of image is provided by parafocal and percentred objectives, and wide field Eyepoint. Supplied complete withfollowing optical combination,accessories and operating manual in a thermocol box or a plywood storing cabinet.
Objectives : 4x, 10x, 40x (SL) and 100x (SL) oil immersion. Eyepieces : H6x WF10x & 6x (paired) & P7x for Photomicrography.
Achromatic Objectives, parfocalised and pre-centred with each microscope.
Thursday, November 26, 2009
Cone Penetrometer
It will consist of metallic cone with half angle of 15' -30 ±15' and 30.50mm coned length. It will be fixed at the end of a metallic rod with a disc at the top of the rod so as to have a total sliding weight of 148± 0.5 gms. The total rod shall pass through two guides. (to ensure vertical movement) fixed to a stand. Suitable provision will be made for clamping the vertical rod at any desired height above the surface of the paste in the trough. A brass trough 50 mm internal diameter and 50 mm depth will be provided as per IS specification resting on M.S.bars.
OPTIONAL ACCESSORIES:
Ground Glass : 10mm thick and about 45 cm square or larger rough glass as per IS 2720(Part V-1985) for mixing soil and water
Spatula : Flexible with blade about 8 cm long and 2 cm wide made from stainless steel material as per IS:2720 (part V-1985)
Evaporating dish : Made from porcelain material having diameter of about 12 to 15 cm with smooth surface as per IS:2720 (part V-1985)
Tuesday, November 10, 2009
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