The low temperature retraction instrument provides a constant low temperature environment with mechanical refrigeration of the compressor and can be heated according to a set heating rate. The cooling medium is alcohol (customer’s own), and the temperature value of rubber and other materials is measured by the special tensile fixture and displacement sensor of the machine after freezing for a period of time with the gradual increase in temperature when the deformation reaches the specified value. This machine adopts computer system integrated control, software one-key test, automatic calculation and other related parameters.
Low temperature retraction instrument features:
1, using computer system integrated control and PLC programmable controller integrated control, simple operation, integrated control, automatic timing, real-time temperature display. Program automatic control.
2, using high-precision special temperature control module, PID intelligent temperature control. Temperature rise rate can be set
3, the use of high-precision displacement sensor, displacement resolution accuracy can reach up to 0.01mm measurement range.
4. The stepper motor and driver are used as the power source to carry out the initial loading of sample deformation. After reaching the deformation amount, when the sample is immersed in a low temperature environment, the motor quickly returns to ensure that the sample is in a free and relaxed state.
5, the upper clamp has a corresponding counterweight device, which can make the sample maintain a slight tension (10KPa ~ 20KPa), and at the same time, the upper fixture can be locked in the position of the selected elongation, and the fixed device will be automatically opened after the sample is invaded into the low temperature tank.
6. The sliding part of the sample frame is made of low friction and very thin material, which is basically suspended, with small contact surface, smooth operation and low friction. Pneumatic control is adopted for the conversion of sample rack at low temperature and normal temperature. Fast and convenient.
7, temperature uniform stirring system, equipped with electric motor and stirring fan, to ensure temperature uniformity.
8, evaporator surface teflon and other advanced process treatment, excellent corrosion resistance.
9, the use of ethanol (customer) as a heat conduction medium, good temperature uniformity.
10, the use of France Taikang two-stage fully sealed compressor, air-cooled. Advanced multi-channel, environmental protection and energy saving (low noise) mechanical compression refrigeration system. R404A and R23 eco-friendly refrigerant, which can quickly cool down to -70 ° C.
11, safety system: over current protection, temperature over temperature protection, high and low pressure protection.
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Post time: Sep-04-2024
