# Flo-Instruments Co., Ltd | SE509 Separate Ultrasonic Energy Flowmeter,2.2in TFT LCD Ultrasonic Energy Flowmeter,320x240 Ultrasonic Energy Meter, modbus protocol ultrasonic flowmeter clamp on,ultrasonic flowmeter clamp on 24v, 24V DC Compact Ultrasonic Flowmeter,PVC Compact Ultrasonic Flowmeter,Flow Water Meter 24V DC, ## summary > Manufacturer, Brands: Flo-Instru, Flo-Instruments has focused on the field of ultrasonic flow meters for more than 20 years and has very rich measurement & installation experiences., Export ratio: 70% - 80%, Primary markets: North America, South America, Western Europe, Eastern Europe, Eastern Asia, Southeast Asia, Middle East, Africa, Oceania, Worldwide. ## Company Information * [Company Profile](https://www.flo-instruments.com/aboutus.html): Overview, history, teams and core capabilities. * [Factory & Manufacturing](https://www.flo-instruments.com/factory.html): Production capacity, OEM/ODM capabilities, and R&D strength. * [Quality Control](https://www.flo-instruments.com/quality.html): ISO certifications, quality standards, and compliance. * [Contact Us](https://www.flo-instruments.com/contactus.html): Global offices, inquiries, and support channels. ## Product Category * [Clamp-on Ultrasonic Flowmeter](https://www.flo-instruments.com/supplier-3922352-clamp-on-ultrasonic-flowmeter): Keywords: Portable Flow Meter ,Clamp On Water Flow Meter,Clamp On Magnetic Flow Meter. * [Wall-Mounted Ultrasonic Flow Meter](https://www.flo-instruments.com/supplier-4059031-wall-mounted-ultrasonic-flow-meter): Keywords: Ultrasonic Water Meter ,External Flow Meter,Ultrasonic Heat Meters. * [Portable Ultrasonic Flow Meter](https://www.flo-instruments.com/supplier-3922351-portable-ultrasonic-flow-meter): Keywords: Compact Ultrasonic Flowmeter,Transit Time Ultrasonic Flow Meter,Ultrasonic Liquid Flow Meter. * [Ultrasonic Energy Meter](https://www.flo-instruments.com/supplier-3922353-ultrasonic-energy-meter): Keywords: Ultrasonic Water Meter ,Ultrasonic Heat Meter ,Liquid Ultrasonic Flow Meter. * [Water Treatment System](https://www.flo-instruments.com/supplier-3925815-water-treatment-system): Keywords: Ultrasonic Flow Meter,Low Cost Ultrasonic Flow Meter,Water Flow Monitor. * [HVAC & Building Management System](https://www.flo-instruments.com/supplier-3925806-hvac-building-management-system): Keywords: Ultrasonic BTU Meter ,Water Flow Monitor,Compact Ultrasonic Flowmete. * [Food & Beverage](https://www.flo-instruments.com/supplier-4059027-food-beverage): Keywords: Liquid Flow Meter,Clamp On Ultrasonic Flowmeter,Wall Mounted Flow Meter. * [Recirculating Aquaculture System](https://www.flo-instruments.com/supplier-4059029-recirculating-aquaculture-system): Keywords: Ultrasonic Liquid Flow Meter,Clamp On Flow Meter,Doppler Flow Meter. * [Clip On Ultrasonic Flow Meter](https://www.flo-instruments.com/supplier-3922350-clip-on-ultrasonic-flow-meter): Keywords: Ultrasonic Water Flow Meter,Portable Doppler Flow Meter,Ultrasonic Liquid Flow Meter. * [Insertion Ultrasonic Flowmeter](https://www.flo-instruments.com/supplier-3931644-insertion-ultrasonic-flowmeter): Keywords: Transit Time Ultrasonic Flowmeter,Doppler Water Flow Meter,Handheld Water Flow Meter. * [Residential Water Flowmeter](https://www.flo-instruments.com/supplier-3931645-residential-water-flowmeter): Keywords: External Water Flow Meter,Residential Water Flow Meter,Household Water Flow Meter. * [Cleaning Water System](https://www.flo-instruments.com/supplier-3925783-cleaning-water-system): Keywords: Non Contact Water Flow Meter,Fixed Ultrasonic Flow Meter,Compact Flow Meter. * [Agricultural Irrigation](https://www.flo-instruments.com/supplier-3925808-agricultural-irrigation): Keywords: Handheld Ultrasonic Flow Meter,Clamp On Flowmeter,Portable Ultrasonic Flow Meter. * [Petrochemical Industry](https://www.flo-instruments.com/supplier-3931666-petrochemical-industry): Keywords: Stainless Steel Flow Meter ,Clamp On Flowmeter,High Temperature Ultrasonic Flow Meter. * [Data Center](https://www.flo-instruments.com/supplier-3931667-data-center): Keywords: Digital Ultrasonic Flowmeter,Chilled Water Flow Meter , Wall Mounted Ultrasonic Flow Meter. * [Doppler Ultrasonic Flowmeter](https://www.flo-instruments.com/supplier-4119591-doppler-ultrasonic-flowmeter): Keywords: Wall Mounted Doppler Ultrasonic Flow Meter,DUF901-EC Ultrasonic Flow Meter,Wall Mounted Doppler Ultrasonic Flowmeter. * [Electromagnetic Flowmeter](https://www.flo-instruments.com/supplier-4119592-electromagnetic-flowmeter): Keywords: EM6 Electromagnetic Flow Meter,DN3000 Electromagnetic Flowmeter,EM6 Electromagnetic Flowmeter. * [Ultrasonic Water Meter](https://www.flo-instruments.com/supplier-4119593-ultrasonic-water-meter): Keywords: DC3.6V Ultrasonic Water Meter,M5 Ultrawater Ultrasonic Water Meter,DN300 Ultrasonic Water Meter. ## Featured Products * [Bi-Directional Portable Ultrasonic Transit-Time Liquid Flow Meter](https://www.flo-instruments.com/sale-35877508-bi-directional-portable-ultrasonic-transit-time-liquid-flow-meter.html): Keywords: Bi Directional Water Flow Meter Digital,Water Flow Meter Digital Transit Time,4mA Portable Ultrasonic Flow Meter. * [TM602 Ultrasonic Flowmeter For Accurate Irrigation Water Flow Measurement In Pipes](https://www.flo-instruments.com/sale-39280782-tm602-ultrasonic-flowmeter-for-accurate-irrigation-water-flow-measurement-in-pipes.html): Keywords: modbus protocol ultrasonic flowmeter clamp on,ultrasonic flowmeter clamp on 24v. * [TM602 Separate High Temperature Ultrasonic Flow Meter](https://www.flo-instruments.com/sale-39282017-tm602-separate-high-temperature-ultrasonic-flow-meter.html): Keywords: Separate high temperature ultrasonic flow meter,24vdc high temperature ultrasonic flow meter. * [SE509 Separate Ultrasonic Energy Flowmeter For Simple To Use](https://www.flo-instruments.com/sale-43975636-se509-separate-ultrasonic-energy-flowmeter-for-simple-to-use.html): Keywords: SE509 Separate Ultrasonic Energy Flowmeter,2.2in TFT LCD Ultrasonic Energy Flowmeter,320x240 Ultrasonic Energy Meter. * [ST501 Ultrasonic Flowmeter For Chemical Water](https://www.flo-instruments.com/quality-38003034-st501-ultrasonic-flowmeter-for-chemical-water): Keywords: Chemical Water Ultrasonic Flowmeter,ST501 Ultrasonic Flowmeter,RS485 Ultrasonic Water Flowmeter. * [ST502 4-20mA Output Ultrasonic Flowmeter](https://www.flo-instruments.com/quality-35809137-st502-4-20ma-output-ultrasonic-flowmeter): Keywords: ST502 Wall Mounted Ultrasonic Flow Meter,PVC Wall Mounted Ultrasonic Flow Meter,Ultrasonic Water Meter ST502. * [EM6 Electromagnetic Flow Meter DN15 - DN3000 1/2”- 120”](https://www.flo-instruments.com/sale-36793504-em6-electromagnetic-flow-meter-dn15-dn3000-1-2-120.html): Keywords: EM6 Electromagnetic Flowmeter,DN3000 Electromagnetic Flowmeter,EM6 Electromagnetic Flow Meter. * [M5 Ultrawater Serials Ultrasonic Water Meter DN50 - DN300](https://www.flo-instruments.com/sale-36793530-m5-ultrawater-serials-ultrasonic-water-meter-dn50-dn300.html): Keywords: DN300 Ultrasonic Water Meter,M5 Ultrawater Ultrasonic Water Meter,DC3.6V Ultrasonic Water Meter. * [TM601 RS485 ModBus Protocol Ultrasonic Flow Meter](https://www.flo-instruments.com/sale-35742218-tm601-rs485-modbus-protocol-ultrasonic-flow-meter.html): Keywords: Transit Time Flow Meter 150mm,150mm Hvac Flow Meter,15mA Hvac Flow Meter. * [TM601 Compact Ultrasonic Flow Water Meter](https://www.flo-instruments.com/sale-35743422-tm601-compact-ultrasonic-flow-water-meter.html): Keywords: 24V DC Compact Ultrasonic Flowmeter,PVC Compact Ultrasonic Flowmeter,Flow Water Meter 24V DC. ## Case Studies & Applications * [Summer Cooling Season: How Ultrasonic Flow Meters Support HVAC System Efficiency](https://www.flo-instruments.com/cases/summer-cooling-season-how-ultrasonic-flow-meters-support-hvac-system-efficiency-82843.html) * [TM601 Ultrasonic Flow Meters Integrated into Solar-Powered LoRa Remote Monitoring System in Ecuador](https://www.flo-instruments.com/cases/tm601-ultrasonic-flow-meters-integrated-into-solar-powered-lora-remote-monitoring-system-in-ecuador-80535.html) * [TM Series---Clamp-On Ultrasonic Flow Meter Applications](https://www.flo-instruments.com/cases/tm-series-clamp-on-ultrasonic-flow-meter-applications-56037.html) * [Filtered Water System Project in Quebec, Canada](https://www.flo-instruments.com/cases/filtered-water-system-project-in-quebec-canada-48006.html) * [Application Case of ST502 with Ultra-High Temperature Transducer in the Chemical Industry](https://www.flo-instruments.com/cases/application-case-of-st502-with-ultra-high-temperature-transducer-in-the-chemical-industry-46259.html) * [The Introduction of Clamp-on Ultrasonic Flow Meters](https://www.flo-instruments.com/cases/the-introduction-of-clamp-on-ultrasonic-flow-meters-36829.html) * [Challenge: Precision in Complex Fluid Measurement](https://www.flo-instruments.com/cases/challenge-precision-in-complex-fluid-measurement-34468.html) * [The Scope of Application of Ultrasonic Flow Meter](https://www.flo-instruments.com/cases/the-scope-of-application-of-ultrasonic-flow-meter-32988.html) * [NEW ARRIVAL---FL101 In-line Ultrasonic Flow Meter](https://www.flo-instruments.com/cases/new-arrival-fl101-in-line-ultrasonic-flow-meter-29445.html) * [The Advantages & Applications of Portable Ultrasonic Flow Meter](https://www.flo-instruments.com/cases/the-advantages-27873.html) * [SE603-PT1000 is installed in Hotel](https://www.flo-instruments.com/cases/se603-pt1000-is-installed-in-hotel-26815.html) * [The Successful Measurement in Greatly Low Flow Velocity](https://www.flo-instruments.com/cases/the-successful-measurement-in-greatly-low-flow-velocity-22089.html) * [The Successful Application of ST501 in Filtered Water System](https://www.flo-instruments.com/cases/the-successful-application-of-st501-in-filtered-water-system-20960.html) * [The Application of ST502 in Large Water Treatment Plant](https://www.flo-instruments.com/cases/the-application-of-st502-in-large-water-treatment-plant-20959.html) * [What is Ultrasonic Flow Meter?](https://www.flo-instruments.com/cases/what-is-ultrasonic-flow-meter-19874.html) * [Clamp-on Ultrasonic Flow Meter](https://www.flo-instruments.com/cases/clamp-on-ultrasonic-flow-meter-19424.html) * [Portable Ultrasonic Flow Meter------PH301](https://www.flo-instruments.com/cases/portable-ultrasonic-flow-meter-ph301-18337.html) * [Explore the Application of Ultrasonic Flow Meters](https://www.flo-instruments.com/cases/explore-the-application-of-ultrasonic-flow-meters-17887.html) * [Explore the Application of Ultrasonic Flow Meters in HVAC](https://www.flo-instruments.com/cases/explore-the-application-of-ultrasonic-flow-meters-in-hvac-17517.html) * [The differences of Single-channel Ultrasonic Flow Meter & Two-channel Ultrasonic Flow Meter](https://www.flo-instruments.com/cases/the-differences-of-single-channel-ultrasonic-flow-meter-15562.html) * [Exploring Cooperation Opportunities in Ultrasonic Flow Meter Industry](https://www.flo-instruments.com/cases/exploring-cooperation-opportunities-in-ultrasonic-flow-meter-industry-14390.html) * [TM601 Ultrasonic Flow Meter---A Well-received by Customers at Home and Abroad](https://www.flo-instruments.com/cases/tm601-ultrasonic-flow-meter-a-well-received-by-customers-at-home-and-abroad-13912.html) * [Ultrasonic Flow Meters Plays an Important Role in Swimming Pool System](https://www.flo-instruments.com/cases/ultrasonic-flow-meters-plays-an-important-role-in-swimming-pool-system-13203.html) * [Germany Client OEM Service---TM601 Clip-on Ultrasonic Flow Meter](https://www.flo-instruments.com/cases/germany-client-oem-service-tm601-clip-on-ultrasonic-flow-meter-12530.html) * [HVAC System & Application of Ultrasonic Flowmeter](https://www.flo-instruments.com/cases/hvac-system-12241.html) * [Testing On Site](https://www.flo-instruments.com/cases/testing-on-site-9486.html) * [Repeatability and Linearity](https://www.flo-instruments.com/cases/repeatability-and-linearity-9244.html) * [Application of Ultrasonic Flow Meter in Food & Beverage](https://www.flo-instruments.com/cases/application-of-ultrasonic-flow-meter-in-food-8736.html) * [Building Management System and Ultrasonic Flow/Energy Meter](https://www.flo-instruments.com/cases/building-management-system-and-ultrasonic-flow-energy-meter-8724.html) * [Recirculating Aquaculture System and Ultrasonic Flow Meter](https://www.flo-instruments.com/cases/recirculating-aquaculture-system-and-ultrasonic-flow-meter-8723.html) * [HVAC Flow and Energy Measurement Solutions](https://www.flo-instruments.com/cases/hvac-flow-and-energy-measurement-solutions-8711.html) * [Water Treatment (3)--The Type of Water & Ultrasonic Flow Meter](https://www.flo-instruments.com/cases/water-treatment-3-the-type-of-water-8697.html) * [Water Treatment (2)--Industrial Water and Wastewater & Ultrasonic Flow Meter](https://www.flo-instruments.com/cases/water-treatment-2-industrial-water-and-wastewater-8687.html) * [Water Treatment (1)--Treatment of Industrial Water and Wastewater Applications](https://www.flo-instruments.com/cases/water-treatment-1-treatment-of-industrial-water-and-wastewater-applications-8663.html) * [Classic Cases 1---Ultrasonic Flow Meter for Large Pipeline in Peru](https://www.flo-instruments.com/cases/classic-cases-1-ultrasonic-flow-meter-for-large-pipeline-in-peru-8609.html) ## Search Search endpoint: https://www.flo-instruments.com/buy-{keyword}.html Rules: - Convert keywords to lowercase - Replace spaces with "-" - Remove special characters Users can combine keywords for more precise searches. ## News & Blog * [Dragon Boat Festival 2026: Honoring Tradition and Sharing Good Wishes](https://www.flo-instruments.com/news/dragon-boat-festival-2026-honoring-tradition-and-sharing-good-wishes-359635.html) * [Labor Day Holiday Notice](https://www.flo-instruments.com/news/labor-day-holiday-notice-320502.html) * [Qingming Festival – Enjoy the Freshness of Spring](https://www.flo-instruments.com/news/qingming-festival-enjoy-the-freshness-of-spring-308930.html) * [Happy Lantern Festival 2026](https://www.flo-instruments.com/news/happy-lantern-festival-2026-297223.html) * [Holiday Notice – Spring Festival 2026](https://www.flo-instruments.com/news/holiday-notice-spring-festival-2026-291313.html)