Humidity sensor and the relationship between the traditional wet method;
Especially the quickly developed in recent 20 years.
The alternate between old and new things with the idea of people has much to do with the change.
Due to the wet and dry bulb, hair hygrometer is still significantly lower than the price of the humidity sensor, caused some people to the electronic humidity sensor price is not approved.
Seems like people used a broom to switch to cleaner, always feel that cost hundreds of yuan to buy a vacuum cleaner, some don't stray, are less likely than a few yuan to buy brooms to psychological balance easily.
Because the traditional wet method too deep impression in people's mind, some people formed the inherent concept only psychrometer is accurate.
Just bought some users take psychrometer to contrast the humidity sensor, the different value is found, immediately think humidity sensor is not allowed.
Notice the accuracy of wet and dry bulb only 5% 7% RH, not only lower than electronic humidity sensor, but also depends on two dry bulb and wet bulb thermometer itself precision;
Moisture meter must be in state of ventilation: only the gauze water jacket, water quality, wind speeds are all meet certain requirements, to achieve the accuracy of the rules.
Humidity sensor manufacturers are using standard humidity generator before the products leave the factory to chase a calibration, * shunt type commonly used standard humidity generator for calibration.
So want the user to use the same methods when need calibration, avoid using low accuracy instruments to calibrate and high precision of the sensor.
In addition to the above products, the company also supplies have pt100 temperature sensor
, pressure sensor, and other products, our company has * have practical technology, professional operation team, to create on the premise that the user experience for your service, the service of the supreme good to beauty is our endless pursuit.
Because of the people-based, so trustworthy;
Because professional full-time, so worthy of choice.
The above information is for reference only. For details, please contact related staff to answer you.
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