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

Fluke 718Ex intrinsically safe pressure calibrator for hazardous area applications
Fluke 718Ex pressure calibrator for pressure transmitter and 4–20 mA loop testing
ABB PAP100 absolute pressure transmitter for pulp and paper industry applications
ABB PAP100 absolute pressure transmitter with dedicated pulp and paper process connection
Fluke 771 milliamp process clamp meter for 4–20 mA signal measurement
Fluke 771 4–20 mA clamp meter for non-invasive process loop troubleshooting
ABB 266AST absolute pressure transmitter for industrial pressure measurement
ABB 266AST absolute pressure transmitter with local LCD and Through-The-Glass configuration
Fluke 725 Multifunction Process Calibrator for industrial process instrumentation
Fluke 725 process calibrator for mA, temperature and transmitter testing
Endress+Hauser Ceraliquid CPS41 analog pH sensor
Endress+Hauser CPS41 analog pH sensor front view
Fluke 805 FC Vibration Meter for machine health and bearing condition monitoring
Fluke 805 FC Vibration Meter
$1,270.00
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Endress+Hauser CA78 low-range TOC analyzer
Endress+Hauser CA78 online TOC analyzer front view
Endress+Hauser FlexView FMA90 control unit for level and flow measurement
Endress+Hauser FlexView FMA90 control unit
FlexView FMA90 3.5 inch color touch display
ABB PAD100 absolute pressure transmitter for industrial pressure measurement
ABB PAD100 absolute pressure transmitter with remote diaphragm seal assembly
Fluke 930 Non-Contact Tachometer for optical RPM measurement