LOGIN OR REGISTER English Español 中国的 Dwyer® Menu Home / Products / Flow / Flow Switches / Thermal PRODUCTS CALIBRATION SERVICES PRESSURE AIR QUALITY AIR VELOCITY FLOW LEVEL TEMPERATURE TEST EQUIPMENT VALVES MISCELLANEOUS HAZARDOUS RATED SERIES TDS Adjustable Switch Point, LED Indication Thermal Dispersion Flow Switch offers solid state flow detection of non-coating liquids for pump and process protection. Features a selectable NO or NC operation. VIEW MORE SERIES TDFS2 Non-Mechanical, Low Pressure Drop, Large Pipe Sizes A thermal dispersion flow switch indicates whether the flow rate is above or below a user set flow rate. It has better reliability and life expectancy than mechanical flow switches. VIEW MORE MODEL TDFT Non-Mechanical Low Pressure Drop Thermal Dispersion Flow Transmitter has continuous frequency output, it fits applications with pipe sizes from 1/2" to 2", featuring a 316L stainless steel housing for use in harsh environments. VIEW MORE MOST POPULAR QUESTIONS MOST POPULAR SERIES TDFS2 SERIES TDS MODEL TDFT DIVISIONS MARKETS BUILDING AUTOMATION POWDER & BULK WATER & WASTEWATER VALVE AUTOMATION HVAC OUR COMPANY HISTORY OF DWYER WHAT'S NEW DIGITAL CATALOG FREE LITERATURE CAREERS MOBILE APPS CONTACT US SUPPORT FAQ AGENCY APPROVAL CERTIFICATES CATALOG PAGES INSTRUCTION MANUALS SAFETY DATA SHEETS CALIBRATION & CERTIFICATE SERVICES WEBSITE FEEDBACK WEBSITE SURVEY INTERNATIONAL DISTRIBUTOR LOGIN POLICIES POLICIES, TERMS, ETC. GLOBAL TRADE COMPLIANCE ENVIRONMENTAL POLICIES SALES TAX MAP POLICY TRADEMARK POLICY TRADEMARK ACKNOWLEDGEMENTS T: +1 800.872.9141 +1 219.879.8000 F: +1 219.872.9057 Copyright © Dwyer Instruments, LLC. All Rights Reserved.