Rheology

Rosand RH7/10

Modular rheometers for all applications

Robust research capillary rheometers for high force conditions

Used in hundreds of research laboratories around the world, the robust ‘H’ frame design of Rosand RH7 and RH10 floor standing capillary rheometers allows operation under ultra-high loading conditions, as well as providing optimized space for multiple accessory configurations.

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Technical Data

Temperature range
Ambient to 400°C (standard)
Ambient to 500°C (high temperature option)
5°C to 200°C (low temperature cooling coil option)
Maximum speed
600mm/min (RH7)
1200mm/min (RH10)
Maximum drive force
50kN (RH7)
100kN (RH10)

Frame stiffness:
250kN

Dynamic range in speed:
200,000:1 (RH7); 400,000:1 (RH10)

Speed uncertainty:
<0.1%

Temperature control range:
<±0.1°C

Bore diameter:
15mm (standard). 9.5mm; 12mm; 19mm; 24mm (bore options)

Barrel bore length:
290mm

Barrel material:
Nitrided steel (standard). Hastelloy; Stainless Steel (barrel options)

Pressure transducer ranges:
30,000psi; 20,000psi; 10,000psi; 5,000psi; 1,500psi; 500psi

Dies:
Tungsten carbide: precision ±5µm

Die diameter:
0.5mm to 2mm (in 0.5mm increments) and 3mm as standard. (Other diameters, including fine bore dies, available to special order)

Atmospheric control:
Nitrogen purge for dry, inert test conditions (option)

Application Literature

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    Rheology Part 1 - The Basics of Viscosity 

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    Rheology Part 2 - Basics of Viscoelasticity