■ Instrument use

Used in polymer, hazardous chemicals, pharmaceutical synthesis, plastics, rubber, coatings and other industries for research testing, quality control and failure analysis.

■ Instrument features

Ø A variety of replaceable sensors, suitable for different scenarios;

Ø Improve the mechanical design of the furnace body, increase the stability of the air flow guide groove and soaking block insulation structure, solve the fluctuations caused by cold and heat convection inside the furnace body, and reduce the escape error caused by cold and heat convection;

Ø Optimization algorithm, complete the software calibration in the process of constant temperature at different temperature points, different heating rate and different gas flow rate, improve the measurement sensitivity;

Ø The output signal weakening method of the sensor under the refrigeration-thermo-electrical effect is based on the interaction between the refrigeration-thermo-electrical effect, and the effect of the potential is reduced or eliminated by optimizing the selection of the sensor material and the orientation relationship between the cooling factor and the temperature gradient. Develop the selection criteria for sensors used in high and low temperature conditions;

Ø Temperature composite thermal stability control method eliminates the influence of the interaction between the electric heating unit and the refrigeration at low temperature, reduces the disturbance of the temperature uniformity of the furnace body during the heating/cooling process, and provides guarantee for the heating, cooling, temperature control and stability of the heating furnace;

Ø Precision measurement of gas flow rate ---- static sample stabilization method for ventilation experiment. Optimized design of ventilation module and core area to reduce the problem of sample position deviation caused by gas resistance and ensure the stability of sample position during measurement under fixed flow rate conditions;

The wide temperature change method of high and low temperature isolation control, the combination of high and low temperature fluid multi-flow resistance low temperature accurate temperature control platform and low heat capacity high temperature radiation heating, to achieve the test sample from low temperature to high temperature in any temperature range of accurate control of cooling rate.

Ø programmed temperature control method, the whole heating by heating sealed furnace body, temperature measurement module and temperature control module, using intelligent PID temperature control internal heating method;

Ø Automatic cooling control method, composed of liquid nitrogen tank, constant temperature controller and booster system, using pressure reducing valve to adjust the pressure required by the maintenance system, through the solenoid valve to control the speed of flow, after the preheater gasification to achieve programmed cooling.

■ Instrument index

Ø Temperature range: -150℃ ~ 680℃ (liquid nitrogen refrigeration) & room temperature ~ 1150℃& room temperature ~ 1550℃;

Ø Temperature accuracy: 0.1℃;

Ø Calorimetric accuracy: 1%(standard metal);

Ø Heating rate: 0.1-50K/min (can be customized);

Cooling rate: 0.1-50K/min (can be customized);

Ø Pressure range: 0.1 ~ 10.0MPa;

Ø Pressure accuracy: 0.002Mpa;

Ø Pressure control system: dynamic pressure control;

Ø Temperature correction: multi-point nonlinear correction;

Ø Test mode: including static, dynamic, pressure, flow variable;

Ø Test atmosphere: oxidation, reduction, inert, water vapor;

Ø Software: Support Chinese/English control analysis software, support Windows operating system.