Read the Serial Sensiron ASP1400 Bidirectional Differential Pressure Meter on Raspberry Pi 4B

what you need

Raspberry Pi 4B
RS232 USB converter (UC232A - Konverter USB zu seriell RS232, Aten)
Sensor Datasheet: https://www.mouser.com/datasheet/2/682/Sensirion_Differential_Pressure_Sensors_ASP1400_Da-1274201.pdf