PT-401 pressure transmitter is a product dedicated to the refrigeration and heating industry. The high-performance diffused silicon piezoresistive sensor core converts the pressure of the measured medium into a 4~20mA, 0~5VDC analog signal through a highly reliable amplification circuit and precision digital temperature compensation and non-linear correction technology; unique anti-condensation Designed to prevent water vapor in the sensor cavity from condensing and damaging the circuit board. High stability and high cost performance can be widely used in refrigeration industries such as air conditioners, refrigerators, freezers, water-cooled screw units, etc.