Your search for "differential pressure flowmeter" revealed the following:

Endress+Hauser Cerabar PMP63B high-accuracy pressure transmitter for pressure and hydrostatic level measurement
Yokogawa ADMAG TI Remote Converter series for advanced electromagnetic flow measurement
Yokogawa AXG1A ADMAG TI Remote Transmitter for electromagnetic flow meter systems
Yokogawa AXG1A Remote Transmitter connected with ADMAG AXG magnetic flow meter
Fluke 424D Laser Distance Meter for 100 m distance measurement
Fluke 424D laser distance meter for construction and industrial measurement
Endress+Hauser CML18 Liquiline Mobile handheld device
Endress+Hauser CML18 Memosens handheld analyzer
Endress+Hauser Prosonic FDU90 ultrasonic sensor for non-contact level and flow measurement
Yokogawa AXW4A ADMAG TI Remote Converter for ADMAG AXW magnetic flow meter
Yokogawa AXW4A Remote Transmitter connected with ADMAG AXW electromagnetic flow meter
Endress+Hauser Ceratex CPS31 analog pH sensor
Endress+Hauser CPS31 analog pH sensor front view
Endress+Hauser Liquiphant FTL64 level switch
Liquiphant FTL64 high temperature level switch
Fluke 376 FC True-RMS AC/DC Clamp Meter with iFlex flexible current probe
Fluke 376 FC iFlex flexible current probe for large conductor current measurement
Endress+Hauser QWX43 Fermentation Monitor
Endress+Hauser Micropilot NMR84 radar level gauge
Micropilot NMR84 radar level gauge for stilling wells
Endress+Hauser Micropilot NMR81 radar level gauge