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KELLER 0-60 BAR PA21SR 4-20MA
Water treatment and filtration systems
Food and beverage production facilities
Chemical and pharmaceutical industry
Hydraulic and pneumatic systems
HVAC (Heating, Ventilation, and Air Conditioning) applications
Industrial automation and process control
KELLER PA21SR is a high-precision pressure transmitter featuring piezoresistive sensor technology. Measuring in the 0–60 bar range, it provides a 4–20 mA analog output signal that integrates easily into industrial control systems. Its laser-welded housing ensures excellent sealing and resistance to harsh environmental conditions. The compact design allows for easy installation in confined spaces.
Model: PA21SR
Measuring Range: 0 – 60 bar
Output Signal: 4 – 20 mA
Supply Voltage: 8 – 32 VDC
Sensor Technology: Piezoresistive
Housing Material: AISI 304 stainless steel
Diaphragm Material: AISI 316L
Connection Type: G1/4" or G1/8" male
Temperature Range: -40 °C – +100 °C
Accuracy: < ±1 % FS
Protection Class: IP65