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In a complete device associated with it, the lack of a system and the composition of a small accessory also inevitably interact with each other. Just as in life and work, one's strength is often unable to block the power of the group, because there is a saying that unity is power. In the case of the entire force, because a group can change a lot of impossible things, the temperature and humidity effect of the test is indispensable for the group cycle work in a complete equipment, because the temperature and humidity conditions, the constant temperature and humidity test chamber can not be the most The important system - the sensor.
The sensor of the constant temperature and humidity test chamber is designed to ensure the accuracy and stability of the temperature and humidity information of the test. However, the test system for the sensor also refers to the temperature and humidity sensor. The temperature sensor can also be divided into two parts: the resistor and the thermocouple. Under different uses, the domestic constant temperature and humidity test chamber uses platinum resistance. PT100. However, the accuracy of the temperature measurement is very high and the performance is relatively high. Stable, the wide range of applications have reached -200 ° C ~ +650 ° C, but due to the higher cost, in some cases, the number of uses is also less. Thermocouples use a method of measuring the value of the thermoelectromotive force, which is also more widely used according to the temperature range of the thermocouple, and can reach up to +1800 °C, for high precision and long distance and multi-point and The function of automatic control is monitored centrally, but it is compensated according to the temperature required by its free end, and the measurement accuracy in its low temperature and normal temperature range is relatively low. However, the humidity measurement method for the constant temperature and humidity test chamber is composed of the dry and wet ball test method and the electronic sensor test method. However, the dry and wet ball test method is relatively widely used because it is relatively simple to maintain and is used in the process. In the middle, it is only necessary to be able to regularly add water to the wet ball and periodically replace the wet ball gauze. In the case of no strict restrictions on humidity, testing in a high temperature environment will not cause damage to the sensor. Under the influence of external conditions, if the requirements are not met, the accuracy of the measurement will be affected.
This often indicates that the problem related to temperature and humidity is a problem that can cause the test to proceed smoothly. Because the conflict between the two and the mutual restraint are reasonable judgments on the test, because the sensor system of the constant temperature and humidity test chamber is divided into a number of small systems, which are internally operated to generate a pair. The most effective effect of temperature and humidity, when choosing a constant temperature and humidity test chamber, please read and understand the parameter settings and performance of the equipment.
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