Cerabar PMP21 is a price-attractive, compact pressure transmitter with a piezoresistive sensor for reliable absolute and gauge pressure measurement in gases, vapors, and liquids. Size: Thread process connection, MNPT1/2 / FNPT1/4 (common) Application: General-purpose absolute and gauge pressure measurement in gases, vapors and liquids Measuring Principle: Piezoresistive sensor Measuring Range: 400 mbar to 400 bar Process Temperature: Standard industrial process range Material: 316L wetted parts Key Features: Reference accuracy 0.3%, long-term stability 0.2% URL/year IP68 ingress protection 4-20 mA and IO-Link output options