Features 1.ADVANCED SENSOR: This soil temperature humidity sensor probe features advanced sensor technology to deliver precise measurements with humidity accuracy of ±2%RH and temperature accuracy of ±0.2℃. 2.I2C OUTPUT: The sensor outputs calibrated digital signals in standard IIC format, ensuring high reliability and excellent long term stability. 3.RELIABLE MATERIALS: Made of reliable materials, this sensor probe is sturdy and offers high accuracy, high resolution (up to 14 bits), and digitalization for better functionality. 4.VERSATILE APPLICATIONS: This sensor probe is suitable for monitoring temperature and humidity in computer room, HVAC, weather station, warehouse, construction site and more. 5.LIGHTWEIGHT AND COMPACT: The compact and lightweight design of this temperature and humidity sensor probe makes it easy to carry and install, without taking up too much space. Specification Item Type: Soil Temperature Humidity Sensor Shell Material: Stainless Steel, Plastic Model: FS400 SHT30 Working Current: <15mA Humidity Accuracy: ±2% RH Temperature Accuracy: ±0.2℃ Temperature Measurement Range: -20℃ to 100℃ Humidity Measurement Range: 0-100% RH Communication Interface: I²C Working Conditions: -20℃ to 90 ℃, 0-99% RH Storage Conditions: -20℃ to 80℃, 0-95% RH Line Length: Approx. 150cm/59.1in Package List ：1 x Soil Temperature Humidity Sensor Note The relative humidity of air is function of temperature, air temperature has a great impact on relative humidity, various compounds such as acids, alkalis, and salts have a significant impact on the physical properties of water steam. The following precautions should be taken when using: 1. The temperature and humidity sensor should be installed in a place where the temperature is relatively stable and can best represent the measured ambient temperature and humidity. 2. Avoid installing in places with drastic temperature changes. 3. Avoid installing in areas with intense air flow. 4. Avoid installing in dead corners where air does not flow. 5. Avoid using in salt spray environments. 6. Avoid using in corrosive gas environments. Working Conditions: The sensor performs normally within the recommended operating range. Longterm exposure to conditions outside the normal range, especially when humidity exceeds 80%, may cause temporary signal drift (drift +3% RH after 60 hours). After returning to normal operating conditions, the sensor will slowly self recover to the calibration state. Prolonged use under abnormal conditions will accelerate the aging of the product.