Si-ln41c13 Two-in-one sensor for soil temperature and moisture detection, which can be used in soil and dam for a long time. It used to do site-based monitoring and on-line measurement of surface soils and deep soils, also known as farmland moisture detectors. It applies RS485 multi-industry common interface which can be directly connected to various display instruments to achieve soil moisture monitoring. It can be used as an instrument for moisture and temperature fixed point monitoring or mobile measurement when it is used with the data collector.The physical and chemical properties of soil, topographical differences, climate change and anthropogenic soil management measures have different effects on soil water status, and there are also correlations between surface features and soil moisture. Si-ln41c13 is a fast soil moisture and temperature measurement sensor with high precision and high reliability and will be not affected by soil texture. Moisture detection is produced using the world's most advanced FDR principle, and its performance and precision are comparable to TDR and FD soil moisture sensors, and have greater advantages in reliability and measurement speed.This product can be used in (1) farm automatic irrigation system (2) greenhouse soil and temperature control system (3)moisture and temperature control system of edible mushroom (4) agricultural automatic drip irrigation system in desert area. And other occasions where soil moisture needs to be monitored.Si-ln41c13 is a self-developed product by Snowy, using industrial-grade precision core components to provide superior accuracy and long-term stability. Small size makes it easier to carry and install. The structural design is reasonably sealed and the stainless steel probe ensures applicability and extensiveness.The equipment adopts the industrial universal RS485 and MODBUS-RTU communication protocols, which can be directly used directly with various configuration software or PLC.