News
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Ultrasonic Flow Meter for HVAC Energy Monitoring: A Complete Guide
Complete guide to ultrasonic BTU meters for HVAC: EN 1434/OIML R75, system architecture, sizing, installation best practices and tenant-billing ROI.
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Clamp-on vs Inline Ultrasonic Flow Meters: Which One Should You Choose?
Compare clamp-on vs inline ultrasonic flow meters on accuracy, installed cost, maintenance and TCO. Includes decision matrix and a real-world utility case study.
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How to Choose the Right Ultrasonic Flow Meter for Water & Wastewater Applications
Engineer's guide to specifying an ultrasonic flow meter for water and wastewater: transit-time vs Doppler, ISO 4064/OIML R49, clamp-on vs inline, and an 8-step selection checklist.
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Case Study: Process Cooling Measurement in a Chemical Plant
Case Study: Process Cooling Measurement in a Chemical Plant Challenge A specialty chemical manufacturer in Southeast Asia needed to monitor the cooling energy consumption of its reactor jacket systems. The plant produced various chemical intermediates, with cooling water circulating through jacketed reactors to control exothermic reactions. Accurate cooling measurement was essential for process optimization and…
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Case Study: Cooling Tower Efficiency Monitoring at a Data Center
Case Study: Cooling Tower Efficiency Monitoring at a Data Center Challenge A hyperscale data center operator in the Middle East needed to optimize its cooling tower performance. The facility’s PUE (Power Usage Effectiveness) targets required precise measurement of cooling water flow and temperature differential across the condenser water loop. The existing flow meters were inline…
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Case Study: Chilled Water Energy Audit for a Pharmaceutical Plant
Case Study: Chilled Water Energy Audit for a Pharmaceutical Plant Challenge A pharmaceutical manufacturing facility in Europe needed to comply with ISO 50001 energy management requirements. The plant’s chilled water system served cleanrooms, process cooling and HVAC, but there was no sub-metering — the energy team could not determine how much cooling each production line…
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Case Study: District Heating Monitoring for a University Campus
Case Study: District Heating Monitoring for a University Campus Challenge A university campus in Northern China operated a district heating network serving 28 buildings — dormitories, lecture halls, laboratories and administrative offices. The existing mechanical heat meters were aging, with several units providing erratic readings or failing entirely. The facilities department needed a reliable replacement…
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Case Study: Energy Cost Allocation in a Multi-Tenant Office Building
Case Study: Energy Cost Allocation in a Multi-Tenant Office Building Challenge A 12-story office building in Southeast Asia housed over 40 tenants sharing a central chilled water air conditioning system. The property management company faced persistent disputes over energy billing — tenants suspected they were paying for cooling consumed by neighboring floors, and the building’s…
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New Product Launch: YF-E3M Clamp-On Ultrasonic Energy Meter
We are pleased to announce the launch of the YF-E3M Clamp-On Ultrasonic Energy Meter, a non-invasive solution for measuring cooling and heating energy consumption in central air conditioning, HVAC and industrial process systems. The YF-E3M clamps onto the outside of existing pipework — no cutting, no shutdown, no pressure loss — and delivers accurate flow…
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[New Release] YF-W200D Explosion-Proof Ultrasonic Flow Meter
![[New Release] YF-W200D Explosion-Proof Ultrasonic Flow Meter](https://yeshi-flowmeter.com/wp-content/uploads/2026/09/主图-5.jpg)
YS-Flux is pleased to introduce the YF-W200D Explosion-Proof Transit-Time Ultrasonic Flow Meter — a fixed wall-mount instrument purpose-built for accurate, non-intrusive flow measurement in hazardous-area liquid processes. YF-W200D at a glance Ex explosion-proof fixed wall-mount enclosure ±1% transit-time accuracy DN15–DN6000, most common pipe materials including lined pipes Clamp-on (no shutdown) or insertion stainless transducers 4–20…