Analysis of the reasons for using pure water in the thermal shock test chamber.
First understand a common sense problem: the greater the thermal resistance of the thermal shock test chamber, the better the insulation of the water (the reciprocal of the resistivity is the conductivity, the smaller the conductivity, the better).
First, because the particles are humidified with water, if the humidity is required for a long time, it will affect the service life of the humidity sensor. (Humidity sensor: generally divided into capacitive sensor, Honeyfair sensor, but some of their PCB boards The line is not made of water-repellent material or anti-oxidation material. If the water quality is poor, the humidity sensor will be short-circuited.
Analysis of the reasons for using pure water in the thermal shock test chamber.
First understand a common sense problem: the greater the thermal resistance of the thermal shock test chamber, the better the insulation of the water (the reciprocal of the resistivity is the conductivity, the smaller the conductivity, the better).
Second, because the water humidification particles are relatively large, if there is a requirement for humidity for a long time, then the service life of the humidity sensor will be affected. (Humidity sensors: generally divided into capacitive sensors, Honeyfair sensors, but some of their PCB boards The line is not made of water-repellent material or anti-oxidation material. If the water quality is poor, the humidity sensor will be short-circuited.
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