Precision measurement solutions, Zirconia oxygen sensors, humidity sensors, dew-point transmitters, and gas analyzers, are the specialty of Process Sensing Technologies (PST), serving pharmaceutical, food-and-beverage, and semiconductor customers. Established in 2017 as a platform under Battery Ventures and headquartered in Ely, UK, with operations in Mumbai, the company is ISO- and GAMP-compliant, operates worldwide across Europe, North America, and Asia, and was acquired by DwyerOmega in 2024.