YY/T0631 Determination of Color Stability of Dental Materials Aging Chamber

Product use: Using xenon arc lamps that can simulate the full spectrum of sunlight to reproduce destructive light waves in different environments, it can provide corresponding environmental simulation and accelerated testing basis for scientific research, product development, and quality control.

Compliant with standards: This product is designed and manufactured strictly in accordance with the YY/T0631 method for determining the color stability of dental materials;

1、 Product specifications and main parameters

YY/T0631 Determination of Color Stability of Dental Materials Aging Chamber

2、 Box material:

1. The outer shell is made of (t=1.2mm) A3 steel plate CNC machine tool for processing and forming, and the surface of the shell is sprayed with plastic for a smoother and more beautiful appearance;

2. The inner liner is made of imported (SUS) 304 stainless steel plate;

3. The insulation material adopts high-density glass fiber cotton and high-pressure polyurethane foam insulation;

4. The mixing system adopts a long axis fan motor and a stainless steel multi blade impeller that is resistant to high and low temperatures to achieve strong convection and vertical diffusion circulation;

5. Double layer high tensile sealing strips with high temperature resistance are used between the door and the box to ensure the sealing of the testing area;

6. Using non reactive door handles makes operation easier;

7. The bottom of the machine adopts high-quality fixed PU movable wheels;

3、 Heating system:

1. Adopting far-infrared stainless steel high-speed heating electric heater;

2. High temperature, independent lighting system (non interfering with each other);

3. The temperature control output power is calculated by a microcomputer to achieve high-precision and high-efficiency electricity efficiency;

4、 Control system:

1. The control instrument adopts an imported 7-inch color touch screen programmable controller, with a large screen, simple operation, and easy program editing. It comes with an R232 communication port and can set the display box temperature and sink temperature;

2. Accuracy: 0.1 ℃ (display range);

3. Resolution: ± 0.1 ℃;

4. Temperature sensor: PT100 platinum resistance thermometer;

5. Control mode: Thermal balance temperature regulation mode;

6. Temperature control adopts P I. D+S.S.R system coordinated control on the same channel;

7. It has the function of automatic calculation, which can immediately correct the temperature and humidity change conditions, making temperature control more accurate and stable;

8. The controller operation interface is available in both Chinese and English, and the real-time operation curve chart can be displayed on the screen;

9. It has a capacity of 100 programs, 100 segments per group, and 999 steps per segment that can be cycled. The maximum time for each segment is set to 99 hours and 59 minutes;

After inputting the data and experimental conditions, the controller has a screen lock function to avoid manual touch and shutdown;

11. Equipped with RS-232 or RS-485 communication interface, it can be programmed on a computer to monitor the testing process and perform functions such as automatic power on/off, curve printing, and data processing;

12. The controller has an automatic screen saver function, which better protects the LCD screen (prolonging its lifespan) during long-term operation;

13. Accurate and stable control, long-term operation without drift;

5、 Refrigeration and dehumidification system control:

1. Compressor: Fully enclosed French Taikang unit;

2. Refrigeration method: stacked single machine refrigeration;

3. Condensation method: air-cooled;

4. Refrigerant: R404A (environmentally friendly)

5. The entire system pipeline undergoes a 48 hour leak detection test with ventilation and pressurization;

6. Heating and cooling system * independent;

7. Internal spiral refrigerant copper tube;

8. Fin slope evaporator (with automatic defrosting system)

9. Dehumidification system: using evaporator coil dew point temperature laminar contact dehumidification method;

6、 Lighting system:

1. Blackboard thermometer: metal blackboard thermometer;

2. Xenon lamp tube: a qualified air-cooled xenon arc lamp tube with a lifespan of 1600-1800 hours;

7、 Protection system:

1. Fan overheating protection 2. Overall equipment under phase/reverse phase protection 3. Refrigeration system overload protection

4. Refrigeration system overpressure protection 5, overtemperature protection 6, water pump overheating, overcurrent protection 7, and other leakage protection

8. Water shortage indicator 9, automatic shutdown after fault alarm

8、 Equipment usage conditions:

1. Environmental temperature: 5 ℃~+28 ℃ (average temperature within 24 hours ≤ 28 ℃)

2. Environmental humidity: ≤ 85%R.H

PS： The operating environment needs to be below room temperature of 28 degrees Celsius and well ventilated;

The machine should be placed 80 centimeters in front, back, left, and right, and nothing should be placed there;