The FS304 temperature and humidity sensor probe is a cable-type digital sensor. It outputs a calibrated digital signal via a standard I2C interface. The sensor uses high-performance temperature and humidity sensing elements: an improved capacitive humidity sensing element and a bandgap temperature sensing element. It offers high reliability, excellent long-term stability, fast response, strong anti-interference capability, and high performance-to-cost ratio. Features: 1. Cable-type digital temperature and humidity sensor. 2. High-performance sensing elements ensure reliability and long-term stability. 3. Excellent quality, high ingress protection, fast response, strong anti-interference capability, and high performance-to-cost ratio. 4. Suitable for applications including computer room monitoring, HVAC systems, weather stations, warehouses, construction sites, concrete testing, agricultural greenhouses, nurseries, and soil temperature and humidity measurement. 5. Fully calibrated with excellent long-term stability. 6. Digital output with I2C interface. 7. Low power consumption, compact size. 8. DFN package compatible with reflow soldering. 9. Waterproof, dustproof, rustproof, and corrosion resistant. Specifications: Condition: Item Type: Temperature and Humidity Sensor Working Current: < 1 mA (typical) Operating Voltage: 3.3 V DC Temperature Range: -40 °C to +85 °C Humidity Range: 0–100 % RH Accuracy (Temperature): ±0.3 °C (25 °C) Accuracy (Humidity): ±2 % RH (20–80 % RH, 25 °C) Response Time (Humidity): < 8 s (63% response, 1 m/s airflow) Long-Term Stability (Humidity): ±0.5 % RH/year Output Interface: I2C Package: DFN-6 Note: Prolonged exposure to high humidity (>95% RH) may cause temporary signal drift. After returning to normal operating conditions, the sensor gradually recovers calibration. Extended operation outside specified conditions may accelerate aging. Humidity sensors require careful handling. Prolonged exposure to high concentrations of chemical vapors may affect sensor accuracy.