Check the listing for details. Temperature Humidity Sensor RHI-112A For Humidifier Dehumidifier HVAC. Condition: New. Listed at 18.99 USD. [Product Introduction] The temperature and humidity module RHI-112A is a dedicated module for the humidity sensor driver circuit developed with long-term experience. It is easy to use and provides the possibility of high-precision humidity detection at a low price. It has the characteristics of high accuracy, low temperature dependence, microcontroller control, and no need to correct temperature and humidity detection range. [Electrical Parameters] Rated voltage: DC3.15~5.5V Rated power: 0.5mA (MAX, sine wave) Temperature range for use: 0-60 ℃ Humidity detection range: 10-90% RH Storage temperature range: -20~70 ℃ Storage humidity range: below 95% RH (no condensation) Humidity detection accuracy: ± 3% RH Humidity output signal (25 ℃, 1KHZ, 1VAC) Standard Measurement Conditions In the atmosphere, the temperature is 25 ℃, the frequency is 1KHZ, and the measured voltage is 1VAC (sine wave) as the standard. When conducting characteristic testing, first place the humidity sensor in dry air at 25 ℃/0% RH, wait for 30 minutes, then set the humidity to 60% RH, and wait for another 15 minutes to test the resistance value. Measurement device: Split flow humidity generator: SPH-1 type (manufactured by Shenrong) 【 Precautions 】 A. Do not let the product condense or get wet. B. Do not use in environments with the following gases: salt, inorganic gases (sulfur dioxide, chlorine, etc.), Ammonia, organic gases (alcohols, ethylene glycol ethers, aldehydes) C. It is best not to store it in an environment above 60 ℃ for a long time, as this can easily cause deformation of the sensor protection box