Differential pressure transducer

Differential pressure transducer .
This module must be used for connecting to the immersion tube for measuring the liquid level and to the measurement orifice gauge for flow measurement.
Technical features:
•Power supply: ± 15 V
•Signal voltage range: O . . . +10 V
•Scale conversion selector: 0,2V/mbar – 0,66 V/mbar
•Differential pressure: ± 70 mbar
•2 hose connections
•Differential pressure transducers with  hose connections: 6/8 mm Ø
• Three meters transparent rubber  hose: 8/10 mm Ø
It must be mounted on an insulated didactic module, it must  show a schematic diagram and 2 mm terminals for the electrical connection.