$53.31
$93.83
DescriptionThe Portaflow D650 is a robust, portable non-contact Doppler flow meter designed for fast and accurate measurement of liquids containing suspended solids or entrained gases — even in the harshest industrial environments. Built for versatility and field performance, the D650 enables reliable flow monitoring from outside the pipe, without cutting or interrupting the process.Housed in a rugged IP67 aluminum enclosure, the D650 delivers exceptional durability, while a high-brightness 2.8” color IPS display provides clear visibility in all conditions. With a massive 12 million point data logger, multiple logging modes including extended sleep-logging, and modern USB-C connectivity, it’s the ideal solution for long-term deployment, field surveys, and challenging flow applications.�� Key FeaturesNon-contact Doppler measurement – ideal for aerated, dirty, or viscous liquids.Compatible with fluids containing particles or bubbles (≥100 microns, ≥75 ppm).Wide pipe size range: from 12.7 mm to 4.6 m (0.5 in to 15 ft) ID.Intelligent data logging: up to 12 million points with adjustable intervals.Extended battery life: up to 60 days in sleep-logging mode.Rugged field design: IP67 aluminum housing, IP68-rated transducer.Simple setup: clamp-on sensor with stainless steel mounting kit and coupling gel.Modern interface: 2.8” color display, USB-C data export, and multilingual menu.Free Windows logger software for data analysis and export.⚙️ ApplicationsSewage and Treated WastewaterSludges, Slurries, and Viscous LiquidsAerated Water and ChemicalsPulp, Food Products, Abrasives, and AcidsChallenging or contaminated flows where traditional meters fail�� Core Improvements in the D650 over the D550FeatureD650 (New)D550 (Old)ImprovementTechnology TypeDopplerTransit-TimeChange in measurement principle – Doppler is better for dirty, aerated, or slurry fluids.Suitable MediaFluids with solids/bubbles (min. 100 microns, 75 ppm)Clean to moderately dirty liquidsD650 is optimized for harsh/dirty media – a shift in use case.Data Logging Capacity12 million pointsTypically much lower (~98k points in many portable flowmeters)Massive increase in logging capacity. Great for long-term deployments.Display2.8” Color TFT IPS LCD, 320×240, 500 NITSLikely monochrome or basic LCDBig upgrade in screen visibility and user experience.Battery LifeUp to 15 hrs (or 60 days in low-power sleep-logging mode)~12–14 hrs typicalMore flexible power management long-term unattended deployment.EnclosureIP67 extruded aluminum IP65/IP67 rated electronicsOften IP54/IP65 plasticD650 is ruggedized for industrial/field conditions.Logging ModesStandard Sleep-LoggingTypically only standard loggingBetter for remote or infrequent access setups.Data OutputUSB-C flash drive support with direct CSV/log file exportOften serial/USB with custom softwareFaster and simpler data access. Modern I/O.SoftwareFree Logger Software (Windows), CSV supportUsually required proprietary toolsImproved data accessibility and portability.Sensor SpecClamp-on Doppler sensor, IP68 rated, -40°C to 150°CTransit-time sensors, less tolerant to high tempWider environmental range and better ingress protection.Accuracy±2% or 0.03 m/s±1% to ±2% (D550)Accuracy is similar, but D650 handles more difficult flow.Pipe Size Range0.5″ to 15 ft~0.5″ to 78″ (depends on D550 model)Range is comparable, but D650 likely handles larger industrial pipes better.�� Key Takeaways✅ Target Application Shift: The D650 is focused on tougher applications — sewage, slurries, viscous/chemical media — thanks to the Doppler principle.✅ Rugged & Portable: Built for harsh field work, with better protection (IP67/68), a carry case, and longer battery life.✅ Modernized User Experience: USB-C, high-brightness color screen, intuitive interface, and simple data access/export — all big quality-of-life upgrades.✅ Massive Data Logging: 12 million data points with configurable intervals and sleep mode — ideal for unattended long-term monitoring.�� So, Should You Upgrade?If your work involves:Fluids with suspended solids, bubbles, or aerated/slurry content,Demands portable, rugged performance in the field,Requires long logging durations or modern data handling…Then yes — the Portaflow D650 offers substantial improvements over the D550!
Flow Meters
