The Temperature and Humidity Probe with AHT21 sensor is a high-precision digital sensing probe designed for industrial, HVAC, and environmental monitoring applications. It offers a wide temperature range of –40°C to +120°C with an accuracy of ±0.5°C, making it suitable for both low-temperature and high-temperature environments. For humidity measurement, it supports 0–100% RH with an accuracy of ±3%, ensuring stable and reliable performance. The AHT21 sensor provides fast response, excellent long-term stability, and high-quality measurements, making the probe ideal for BMS, automation systems, data loggers, and climate monitoring equipment.