DHR
Dynamic Hybrid Rheometer
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TA Instruments DHR2 with Furnace
TA Instruments DHR2 with Furnace
DHR-Dynamic Hybrid Rheometer This technique allows the determination of viscosity and other viscoelastic properties (e.g. storage and loss modulus, tan delta) of fluids and solids under applied torsional shear stress and strain at various temperatures. TA Rheometer DHR-2 with Furnace
Dynamic Hybrid Rheometer Purchased Accessories
Dynamic Hybrid Rheometer Purchased Accessories
ETC Oven
ETC Oven
Environmental Test Chamber (ETC) The ETC is a high temperature Smart Swap™ accessory that employs a combination of radiant and convective heating and has a temperature range of -160 °C to 600 °C with heating rates up to 60 °C/min. This hybrid temperature control design provides fast response and temperature stability over a continuous range of 760 °C. The ETC is a very popular option for polymer applications and can be used with parallel plate, cone and plate, disposable plate, rectangular torsion and DMA clamps for solids, and the SER3 for extensional viscosity measurements. Typical materials that can be tested include thermoplastics, thermosets, elastomers, caulks and adhesives, solid polymers, asphalt binder, and oils and greases.
25mm Parallel Plate Geometry
25mm Parallel Plate Geometry
For use on Liquid Samples with Similar Results to Flow Rheometry
Torsion Rectangular Geometry
Torsion Rectangular Geometry
For use on Solid Samples with Similar Results to DMA
Requirements
Requirements
Air Bearing Gas Pressure
Air Bearing Gas Pressure
(air or nitrogen) must be clean, dry, oil-free compressed air at 345–690 kPa gauge (50–100 psig). The dew point should be –20°C or better. Flow rate should be 25 L/min. A 1/4 NPT female connection must be provided for the DHR main air supply
Liquid Nitrogen Controller
Liquid Nitrogen Controller
Same general environmental requirements as main instrument (Test Station). The FCO can be mounted on either side of the test station tower. The LN2 Controller should be placed on the same side as the FCO.
Requires a user-supplied 160 liter (or larger) Liquid Nitrogen tank with a pressure of 95– 150 kPa gauge (14–22 psig) or an in-house supply with a ½-inch, 45° flared fitting, isolated by a shutoff valve. LN2 pressure in excess of 207 kPa gauge (30 psig) may cause damage to the LN2 Controller. Most in-house supplies of the LN2 tends to contain a certain volume of gaseous nitrogen (N2), which occurs due to heating in the supply line (near the LN2 Controller) before delivery to the LN2 Controller. Keeping the supply line short, and providing adequate insulation will minimize gaseous Nitrogen build-up in the supply line. Failure to observe this caution may cause the LN2 Controller to malfunction frequently.
A 0.9 m (3-ft) supply hose is provided for connection between supply tank and LN2 Controller.
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