Discovery HR-1 hybrid rheometer

TA Instruments HR-1

TA Instruments Discovery HR-1 – Hybrid Rheometer with Temperature Chamber

Technical description of the device

Manufacturer: TA Instruments, USA
Model: Discovery HR-1
Series: Discovery Hybrid Rheometer
Device type: Rotational-oscillatory rheometer
Temperature system: Two-wing heating chamber, possibly an ETC (Environmental Test Chamber)

Technical characteristics

The TA Instruments Discovery HR-1 is an advanced hybrid rheometer designed for the precise investigation of the rheological properties of liquids, semi-finished products, polymers, pastes, gels, and viscoelastic materials.

The device enables measurements in controlled stress mode, controlled shear rate mode, and oscillatory testing.

The rheometer's design utilizes a precise drive system, a torque measurement system, and a gap control system.

Technical parameters – Discovery HR-1

The following values are approximate catalog parameters for the HR-1 model and require confirmation for a specific device version.

Parameter | Value
----- | -----
Type of measurement | Rotational and oscillatory
Minimum oscillatory torque | approx. 0.5 nNm
Minimum rotational torque | approx. 10 nNm
Maximum torque | 150 mNm
Angular speed range | up to 300 rad/s
Oscillatory frequency range | up to 100 Hz
Angular displacement resolution | approx. 10 nrad
Gap control | Automatic
Control modes | Stress, shear rate, oscillation
Computer control | TA Instruments TRIOS software

Temperature control system

The device shown in the pictures is equipped with a two-part heating system that opens to the sides.

The chamber enables rheological measurements to be carried out under controlled temperature conditions.

System characteristics:

* Two-wing design of the heating chamber.
* Electric heating system.
* Temperature control of the sample.
* Possibility of conducting temperature studies.
* Thermally insulated chamber elements.
* Connections for the temperature control system.

If the use of an ETC chamber is confirmed, the typical temperature range may be approximately -160°C to +600°C, depending on the configuration, cooling system, and accessories used. This range is not confirmed for the offered unit.

Available research methods

Rotational studies:

* Viscosity measurement as a function of shear rate.
* Determination of flow curves.
* Study of the yield point.
* Analysis of the behavior of non-Newtonian materials.

Oscillatory studies:

* Measurement of the storage modulus G'.
* Measurement of the loss modulus G''.
* Analysis of the loss tangent tan δ.
* Frequency tests.
* Amplitude tests.
* Analysis of structural transitions of materials.

Time and temperature studies:

* Creep and recovery tests.
* Stress relaxation.
* Thermal stability studies.
* Analysis of changes in rheological properties as a function of temperature and time.

Configuration of the offered device

Based on the photographic documentation, the set includes:
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1. TA Instruments Discovery HR1 rheometer
2. Two-wing temperature chamber.
3. Accessories visible in the pictures
4. PC and software

The device is a professional measurement platform designed for advanced rheological analyses in industrial and scientific laboratories.

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