Features Keypad Entry 7-pin Female Connector Maximum input Pressure 5 PSI Printing Capabilities Description The TSI / Alnor 8530D-1 CompuFlow ElectroManometer has keypad entry on the front that can determine both velocity and pressure of a flow. With a proper cable hookup through it 7-pin connector, the 8530D-1 can print off what is measured. Product Family: 8530D 1, 8530D1, 8530-D-1