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The Ravenfield Coldshear viscometer - Mindex Ltd UK

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The Ravenfield Coldshear viscometer

 
The Ravenfield Coldshear viscometer was designed to simulate the standard low temperature test ASTM D 5293. Development of our compact, low energy consumption technology has led to the CS-2 . The CS-2 not only correlates with ASTM D 5293 but is also a full research grade rheometer.
 
 
The CS-2 Cranking Simulator is the most recent development in the Coldshear range. It is designed to bring the best of Ravenfield's HTHS experience to Low Temperature High Shear measurement. In its standard operating mode this instrument correlates with ASTM D 5293 (formerly ASTM D 2602), but is not limited to this; using high precision computer control the instrument also measures under conditions of constant shear rate, constant shear stress and constant speed. ASTM is currently organising a Round Robin to generate a new test method.The CS-2 is a self-contained, single unit instrument requiring no extra refrigeration or PC equipment. In view of safety concerns the integrated cooling system uses no methanol or other inflammable and volatile cooling fluids. The instrument is controlled using a touchscreen interface. Calibration can be achieved with a single low temperature viscosity standard and sample volume required is also kept to a minimum.While still retaining its small footprint the standard CS-2 has now been integrated with the Ravenfield Model DR AutoSampler which allows automatic measurement of up to 18 oil samples without further operator intervention.

Model CS-2W If a "budget" model be required the CS-2W option is available. The CS-2W is functionally identical to the CS-2 except for the absence of the AutoSampler which can of course be retrofitted if required. The retrofitting of the AutoSampler could even be carried out by the customer in their own laboratory in about thirty minutes.

 
 
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