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The standard for high temperature aging test test Box structure and appearance requirements:
1. The inner wall should be manufactured with heat resistance and not easy to oxidize and a certain mechanical strength;
2. The thickness of the insulation material is high -resistant to high temperature and has self -extinguishing performance; 3. The thickness of the insulation layer should make
Precision High temperature ovenThe temperature of the external access to the location is not higher than 50 ° C;
4. The heating device must not constitute a direct radiation of the test sample;
5. There should be an observation window, and there should be lighting devices in the studio;
6.
7. The sealing bar of the box door should not be easy to aging, sticky, deformed, deformed, and lost the sealing performance under high temperature conditions, and should be convenient for replacement;
8. There should be sample racks with samples or hanging samples. The sample rack should have a certain mechanical strength and easy loading and unloading at high temperature conditions;
9. Instruments or devices such as temperature adjustment, instructions, records, etc. should be possessed;
10. The appearance of the coating should be smooth and smooth, and the color is uniform. There must be no dew, foaming, starting layer or scratch traces. The calculation and evaluation of the test results of the high temperature aging test box:
1. Correct the measured temperature values according to the correction value of the test instrument;
2. Use 15 test data in 30 minutes to find the height and low temperature in each test The average arithmetic value of the difference is the temperature uniformity of the temperature at the temperature; the 15 test values of the central test point are higher than the low temperature difference between the low temperature, and the crown is ±. The volatility of the nominal temperature.
3. Use 24h test data to calculate the difference between 蕞 height, low temperature and nominal temperature, respectively, Precision high temperature oven
Temperature deviation at this nominal temperature.
< style=font-size: 18px;> 1. The temperature control system
1. Temperature control to the PID number display instrument (Taiwan Xuanrong program table), 8 -stage temperature control, can be automatically calculated, PV/SV also displayed at the same time, the button settings can be set to set any temperature between room temperature to high temperature between high temperatures, high temperatures between 蕞 high temperatures.Value;
2. The timer is 1 second -999 (you can choose to set the hour, minute, second)
Time to cut off heating current (alarm device)
3. Type of temperature and circulation (K);
4. The output is 3-32V;
5. The current controller is SSR solid-state relay;
6. The heating material is: high temperature heating pipe;
7. RT -100 ° C about 12 minutes, under the air load;
8. The temperature range is room temperature to 200 ° C.Below;
2. Precision High temperature oven precision
1. Control accuracy ± 1 ℃;2. Display analysis 1 ℃;
3. The temperature distribution in the box is uniformity ± 3 ℃.
3, power device Voltage AC 380V Three -phase Four -line
Three -phase current 54 A
Heating power 10kW
Total power 12 kw
