Alicat Scientific MCR-250SLPM-D/5M N2 Mass Flow Controller for vacuum

Alicat Scientific MCR-250SLPM-D/5M N2 Mass Flow Controller for vacuum Fully functional digital display Multiple parameter measurement: Mass flow, volumetric flow, temperature, and pressure Integrated positive pressure shut-off valve Low pressure drop operation 8 pin mini din electronic connector Standard barrel type power connector RS-232 Multi-drop digital output RS-232 Multi-drop digital input Choice of 0-5Vdc, 0-10Vdc, or 1-5Vdc analog output Choice of 0-5Vdc, 0-10Vdc, 1-5Vdc, or 4-20mA analog input User tunable PID valve tuning 30 user selectable on-board gas calibrations 200:1 turndown ratio