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KELLER PA-21Y 100 BAR PRESSURE TRANSMITTER
Water treatment and filtration systems
Food and beverage production facilities
Chemical and pharmaceutical industry
Heat pumps and cooling systems
Hydraulic and pneumatic control systems
Industrial automation and process monitoring
KELLER PA-21Y is a high-precision, long-life pressure transmitter featuring piezoresistive sensor technology. With a 100 bar measuring range, it is suitable for a wide variety of applications. Its compact design allows easy installation in confined spaces. The laser-welded housing and seal-free construction ensure excellent leak resistance. Temperature compensation and low power consumption provide reliable performance even in harsh environments.
Model: PA-21Y
Measuring Range: 0 – 100 bar
Output Signal: 4 – 20 mA (two-wire), 0 – 10 V, 0.5 – 4.5 V
Supply Voltage: 8 – 32 VDC
Sensor Technology: Piezoresistive
Housing Material: AISI 304 stainless steel
Diaphragm Material: AISI 316L
Connection Type: G1/4", G1/8", NPT, UNF options
Temperature Range: -40 °C to +125 °C
Compensation Range: -10 °C to +80 °C
Accuracy: ±0.5 % FS
Long-Term Stability: ≤ ±0.3 % FS/year
Protection Class: IP65 / IP67 (depending on connector)