High temperature material testing equipment, constant temperature low temperature testing box

High temperature material testing equipment, constant temperature low temperature testing box: -8008

Test range temperature: -70 ° C ~ 120 ° C
Temperature rise and fall rate
1 20 ° C - 100 ° C for about 35 minutes
2 20 ° C - -30 ° C about 50 minutes machine accuracy
1 Resolution accuracy: Temperature: ±0.5 °C
2 Control uniformity: Temperature: ±2.0 °C
Mechanical structure
1 Inner box material: SUS#304 stainless steel plate.
2 Outer box material: SECC steel plate anti-static powder coating.
3 Insulation material: high strength PU foam and high density glass fiber cotton (five centimeters) (Fiberglass wool)
4 Anti-sweat machine parts: anti-sweat treatment with the heat of the system K-tube
5 Wind road parts:
a Adopting a Japanese fan motor and a high-low temperature resistant aluminum alloy multi-wing structure circulation fan to achieve a forced convection vertical diffusion cycle
b Adjustable side air outlets and return air inlets.
6 The test door and the body are made of double-layer high-low temperature and high-tension Silicon Packing to ensure the tightness of the test area.
7 The bottom of the machine is made of high quality fixed PU movable casters.
8 The test window uses multi-layer explosion-proof glass, and the inner glued-type heating defogger lighting equipment uses the new PL. type fluorescent lamp.
9 Two stainless steel adjustable movable shelves are used in the test area.
10 test hole (50mm diameter on the left side of the machine) can be used for external test power cable or signal cable (the aperture or the number of holes must be increased to be equipped with OPTION)
Heating system
1 U-shaped fin type high-speed heating electric heater.
2 completely independent system, does not affect the freezing and control lines.
3 The temperature control output power is automatically calculated by the microcomputer PID to achieve high precision and high efficiency.
4 The heating rate is calculated according to the heat content load of the customer's test object.
Refrigeration system 1. Europe imported high efficiency power-saving refrigeration compressor.
2. The whole system uses environmentally friendly refrigerant.
3. The whole system pipeline is pressurized by nitrogen 24H. Leak test 4. The heating and cooling system is completely independent. 5. Internal spiral K-TYPE Refrigerant copper tube 6. Wavy fin type forced air condenser 7. Slope type FIN-TUBE evaporator 8. Original imported solenoid valve; drying filter; expansion valve and other refrigeration components 9. All refrigeration system operation procedures, completely controlled by the microcomputer controller, up to the advantages of high efficiency and power saving, freezing The system has a throttling device to control the refrigerant flow, energy saving and low noise.
Circuit control system
1 fixed-point microcomputer controller.
2 film type KEY BOARD, can be set arbitrarily.
3 with power failure memory device.
4 has the function of self-correcting temperature reference point.
5 The temperature sensor is DIN PT-100Ω (platinum induction).
6 Temperature control adopts PID + SSR system synchronous coordinated control, which can improve the stability and life of control components and interfaces.
7 Push-button settings, digital direct display, all conditions are automatically locked by the computer.
8 With the function of PID automatic calculation, it can reduce the inconvenience caused by artificial setting.
9 During the setting or operation, if an error occurs, a warning signal will be provided.
Security system
1 with no fuse protection switch
2 When the fault occurs, the machine warning light indicates that it will automatically shut down. If the fault is not eliminated, it cannot be turned on.
3 Freezer compressor with over temperature and overload protection device and high and low voltage protection switch.
4 Fan motor is equipped with overcurrent protector.

Scope of application Widely used in aerospace, aerospace, electronic instrumentation, electrical products, materials, parts, equipment, etc. for high and low temperature gradient test. Cold resistance test, low temperature storage, in order to analyze and evaluate the performance and behavior of the test sample under the proposed environmental conditions.

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