KELLER PAA-21SR/6BAR/81520,5 (222140,0403
Water and gas pressure monitoring systems
Industrial automation and process control
HVAC systems (Heating, Ventilation, and Air Conditioning)
Food and pharmaceutical production facilities
Mobile hydraulic applications
Laboratory and testing equipment
KELLER PAA-21SR is a pressure transmitter equipped with piezoresistive sensor technology, offering high accuracy in low pressure ranges. The 6 bar version is ideal for applications requiring precise control. Its compact design allows easy installation in confined spaces. The laser-welded stainless steel housing and IP67 protection ensure durability in harsh environments.
Model: PAA-21SR
Product Code: 81520,5 (222140,0403)
Measuring Range: 0 – 6 bar (gauge)
Output Signal: 4 – 20 mA (two-wire system)
Supply Voltage: 8 – 32 VDC
Sensor Technology: Piezoresistive
Housing Material: Stainless steel
Diaphragm Material: AISI 316L
Connection Type: G1/4" male thread
Temperature Range: -40 °C to +100 °C
Accuracy: ±0.5 % FS
Protection Class: IP67
Certifications: CE
