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Advance Research Grade Rotational & Oscillatory Rheometer System Technical Specifications: Rotational stress/strain controlled ‘Advance Research Grade Rotational and Oscillatory Rheometer’ to carry out rheological studies on soft materials such as gel, wax, crude oil, model crude oil, suspensions emulsions, pastes, polymeric solutions and polymeric melts. The rheometer should have following specifications: Sr.No Material Description Specification 1 Motor technology EC / Drag Cup Motor 2 Minimum torque in rotation or oscillation 0.5 nN.m or lower 3 Maximum torque 200 mN.m 4 Angular deflection (range) 0.05 to ∞ µrad 5 Normal force range 0.005 to 50 N 6 Minimum angular velocity 1.0 E-09 rad/s or better 7 Maximum angular velocity 100 rad/sec 8 Maximum frequency (Hz) 100 or better 9 Minimum frequency (Hz) 1.0 E-07 or better 10 Bearing type Air/Magnetic 11 Maximum temperature range -20 to 200 ℃ or better 12 Automatic gap control setting Yes Temperature control system for cone/plate & plate/plate measuring geometries with suitable cover Sr.No Material Description Specification 1 Peltier temperature control control with air/liquid cooling with - 20 to 200 ℃ or better) with chiller. 2 Cover passive with solvent trap (For parrellel palte and cone and plate) Combatable with specified geometry 3 Refrigerated circulator : Temperature range: -10 to 150 ℃ Bath capacity 5 liters. Temp Stability : 0.01 ℃ ATTACHMENTS Sr.No Material Description Quantity 1 Parallel plate Geometry 25 mm diameter 1 2 Parallel plate Geometry 50 mm diameter 1 3 Cone and plate geometry 25 mm diameter , angle 1o 1 4 Cone and plate geometry 50 mm diameter , angle 1o 1 5 Cross hatched (serrated) parallel geometry 50 mm diameter with serrated base plate. 1 RHEOLOGY SOFTWARE 1. Minimum 50 built-in preprogramed templates for different material should be incorporated in software. 2. Software include integrated modelling/curve fitting, rheo-optics adapter module, squeeze flow rheology and extensional rheology modules. 3. Different test like rotational control stress/combination of csr + css, oscillatory with control stress / combination of tru strain + css transient with creep (single/multi-level) / step-strain (stress relaxation) and combination with any modes above – for e.g. transient + rotational or oscillatory + rotational can able to perform with the help of software interface . 4. Software upgradation should be free of cost as per user requirement (after purchase). UPGRADABILITY The rheometer should be upgradable to interfacial rheology, microscopy with temperature control range, from 5 to 70 °C, powder rheology (optional), humidity cell in future. This should be confirmed in the product catalogue. Should have at least one interfacial rheology and Rheo-microscope installation in India. Please quote above accessories in options. WARRANTY & AMC SERVICES The instrument should be quoted with two years warranty (including one year’s standard warranty). Three years AMC charges should also be quoted post warranty period. UTILITIES 1. Air compressor : 1 HP Compressor with drain valve 2. Dry Point air dryer with filter unit to separate oil, particle and condensate TRAINING Free of charge training of students in equipment maintenance by the certified company engineers during the warranty period

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