Purpose:

It is used to comprehensively analyze and measure the rheological and viscoelastic properties of gel materials. Implement the following main functions: rotation testing: viscosity, shear stress, flow curve, viscosity curve, viscosity temperature curve, thixotropy, hysteresis loop area, yield stress, etc; Vibration test: storage modulusG’、 Loss modulus G, composite modulus G * complex viscosity η *, loss factor Tan δ, phase angle, etc;

1、 Main technical parameters

*1.1 Motor: DC synchronous motor, no induction required to establish magnetic field

1.2 Stability: Permanent torque for 60 minutes, no signal drift

1.3 Porous carbon air bearing with built-in normal force sensor

1.4 Maximum torque ≥ 200mNm

*1.5 Minimum torque (rotation mode) ≤ 5nNm

1.6 Minimum torque (oscillation mode) ≤ 8nNm

1.7 Minimum angular velocity ≤ 10^-9 rad/s

1.8 Maximum angular velocity ≥ 310rad/s

1.9 Speed response time ≤ 5ms

*1.10 Strain response time ≤ 10ms

*1.11 Minimum angular frequency ≤ 10^-7rad/s

1.12 Maximum angular frequency ≥ 628rad/s

1.13 Normal force range: ± 0.005 to ± 50N

1.14 Peltier temperature control lower plate, temperature range: -30 to 200 ℃

1.15 All measuring rotors must use non threaded quick connectors, which can facilitate quick connection and replacement of measuring rotors;

1.16 To prevent incorrect selection of measuring rotors, all measuring rotors need to be equipped with a cross frequency radar transceiver chip to ensure error free documentation and complete traceability;

1.17 The host should have a color LCD display screen that can display real-time information such as instrument status, sample temperature, normal force, gap values, etc;

1.18 The host should adopt a modular design, with various extended accessories such as powder rheology accessories, rheometer microscope combination accessories, rheometer small angle laser light scattering combination accessories, starch gelatinization measurement accessories, humidity control accessories, etc., for easy selection according to experimental requirements in the future.