Harwil - Model Q-1 - In-line Flow Switch - Datasheet

Designed for extreme, long-term reliability. Detects and signals flow change. Continuously adjustable while in operation. 6 interchangeable orifices plus 2:1 continuous switch adjustment with each orifice. Calibrated independent of line pressure and temperature. Maintains calibration limits when subjected to reasonable line hydraulic hammer or surge pulses. Super-simple maintenance and checkout for personnel using a standard test meter. Model Q-1 can also be fitted with a SPDT gold cross-bar switch for computer/PLC interface. DPDT model available per request.