Beck Sensortechnik — Beck Sensortechnik Pressure Switches
Pressure Switch 901p (Prescal®)
901 with patented Prescal® externally adjustable set point.

Overview
The Prescal® mechanism allows the set point to be adjusted from outside the device without breaking the seal — making field tuning fast and tamper-evident.
Features
- External set-point adjustment
- Tamper-evident seal
- Field tunable
Typical Applications
Service-friendly burner control
Field-tuned installations



