Your search for "Differential Pressure Flowmeter" revealed the following:

Endress+Hauser Cerabar PMP63B high-accuracy pressure transmitter for pressure and hydrostatic level measurement
Fluke 709H precision mA HART loop calibrator for 4–20 mA testing and process transmitter calibration
Yokogawa AXG1A ADMAG TI Remote Transmitter for electromagnetic flow meter systems
Yokogawa AXG1A Remote Transmitter connected with ADMAG AXG magnetic flow meter
Endress+Hauser Prosonic FDU90 ultrasonic sensor for non-contact level and flow measurement
Endress+Hauser Ceratex CPS31 analog pH sensor
Endress+Hauser CPS31 analog pH sensor front view
Endress+Hauser CML18 Liquiline Mobile handheld device
Endress+Hauser CML18 Memosens handheld analyzer
Yokogawa AXW4A ADMAG TI Remote Converter for ADMAG AXW magnetic flow meter
Yokogawa AXW4A Remote Transmitter connected with ADMAG AXW electromagnetic flow meter
Yokogawa ADMAG TI Remote Converter series for advanced electromagnetic flow measurement
Endress+Hauser FlexView FMA90 control unit for level and flow measurement
Endress+Hauser CM82 Liquiline compact transmitter
Endress+Hauser CM82 Liquiline digital transmitter
Fluke 374 FC True-RMS AC/DC Clamp Meter for electrical troubleshooting