Constant temperature and humidity test
ing-equipment' target='_blank'>test chamber consists of charged with gentle humidifying two part.
According to turn the cooling fan installed at the top of the box body, will complete the steam circulation system, the gas into the shell equilibrium box body temperature, environment humidity, embedded by the shell temperature, temperature sensor to collect data and information, to the temperature and humidity controller to carry out the solution, distributed temperature control desiccant-wheel based command, according to the gas heating module, the condenser pipe and stainless steel water trough in heating volatilization module to cooperate with each other.
In the constant temperature and humidity test the whole process of humidifying in fact in the cabinet is ascending vapor pressure of work, at the start of the humidifying methods is to constant temperature and humidity test chamber wall since the water spray, according to the control surface saturation pressure for the water temperature control.
Box wall produce very big surface, the surface of the water in the surface to the box according to the method of spread out to the box to add water vapor pressure in the environmental test chamber air humidity increase.
Because at that time the environmental humidity control is mainly with contacts with liquid silver electricity conductivity table to carry out simple switch quantity adjustment, in view of the of the big water tank temperature control weak adaptive capacity, and manipulate the whole process of cohesion is longer, do not consider variations and dampness of humidifying rules more must more key is in the box wall under the condition of flowing, inevitably there are water spray on the sample of the sample produce different levels of environmental pollution.
Constant temperature and humidity test chamber for box pipes is also some rules.
This way was quickly replaced steam humidification and shallow water dish humidifying.
But it still has some advantages.
Though its manipulation of the cohesive whole process longer, environment humidity fluctuations smaller after the system software is smooth, more suitable for stable and dampness experiment.
In addition in the whole process humidifying water vapor but additional calorific value of the heat is not easy to improve the system software.
Have, when the temperature of the control flow is less than the experimental point temperature, since the water spray with moisture effect.
Constant temperature and humidity test chamber is able to apply to drinking water, to achieve environmental humidity effect, but if the long-term application of drinking water for water environment humidity, very easy to sprout dirt in the water pipe, residue of water adsorption to other commodities to the surface of the tank will not clean.
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