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The soil heat flux sensor for weather station is a high-precision instrument designed to measure soil heat transfer and energy balance in meteorological and environmental studies. Featuring a measurement range of 2000 to 2000 W/m², RS485 (ModBus protocol) output, and an IP68 waterproof and dustproof rating, it ensures reliable performance in long-term underground use. Built with flame-retardant epoxy resin and powered by DC 5-30V, SUCH soil sensor provides accurate, stable, and durable operation for applications in agriculture, climate observation, and geotechnical research.
A soil heat flux sensor measures the rate of heat transfer through the soil surface, expressed in watts per square meter (W/m²). It helps determine soil energy balance, thermal conductivity, and heat exchange between the soil and atmosphere — essential for weather, agricultural, and environmental studies.
It operates based on the thermopile principle. The thermopile detects temperature differences between the upper and lower surfaces caused by heat flow. The resulting voltage signal is then converted into a heat flux value using calibration constants.
Yes. It has an IP68 protection level, meaning it is fully waterproof, dustproof, and corrosion-resistant. It can be buried in soil for long-term continuous monitoring in outdoor environments.
