SI-431 has SDI-12 digital output. The sensor has a 14 ° half angle field of view and a response time of 0.1 seconds. The sensor includes an IP68 marine grade stainless steel cable connector located 30 cm from the head to simplify the disassembly, maintenance, and recalibration of the sensor.

Typical applications:This includes plant canopy temperature measurement for estimating plant water status, road surface temperature measurement for determining icing conditions, and ground (soil, vegetation, water, snow) temperature measurement in energy balance research.