B.5 temperature and humidity test kit requirementsThe temperature and humidity measuring box is composed of a flow passage and a suction air passing through a typhoon machine of the overcurrent section. The over-current section shall be provided with two dry bulb temperature probe interfaces, one for the measurement of the dry bulb temperature of the device, and the other for confirming the ball temperature measurement using an additional temperature sensor probe. Two wet ball temperature probe interfaces shall be provided in the flow passage, one of which is used for measuring the wet bulb temperature of the equipment, and the other is used to confirm the wet bulb temperature measurement by the additional wet ball sensor probe. The temperature and humidity measurement kit shall include a manually or automatically adjustable fan to maintain average air velocity through the sensor. Temperature and humidity determination box typical configuration is shown in figure B.2
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