Keller PA-21Y22-2155-161 Absolute Pressure Transmitter

The Keller PA-21Y22-2155-161 is a Series 21Y piezoresistive absolute pressure transmitter in the same compact, fully welded stainless steel housing as the 21Y family, built for space-critical industrial, heat pump, air-conditioning and food industry applications.

This variant shares the Series 21Y platform's insulated and encapsulated piezoresistive sensor with direct analog signal path, temperature compensation across -10 to 80 degrees C, accuracy better than 0.5% FS, total error band 1.5% FS over the compensated range, and long-term stability better than 0.3% FS per year.