PRE320-UF Ultrasonic Flow Meter for Small Diameter Pipes
PRE320-UF Ultrasonic Flow Meter for Small Diameter Pipes
The PRE320-UF is a compact, high-performance ultrasonic flow meter for small diameter pipes, specially designed for clean liquid measurement. With its advanced clamp-on, non-intrusive design, it allows for quick installation without cutting pipes or stopping the system.
PRE320-UF – High-Precision Ultrasonic Flow Meter for Small Diameter Pipes
Looking for an accurate, easy-to-install flow measurement solution for compact pipelines? The PRE320-UF is a top-performing ultrasonic flow meter for small diameter applications. Designed with a non-intrusive clamp-on structure, it offers precise readings without the need to cut or modify existing pipes—saving time, labor, and cost.
✅ What is PRE320-UF?
The PRE320-UF is a compact ultrasonic flow meter specially developed for small-diameter pipelines ranging from DN15 to DN65. It uses transit-time ultrasonic technology and an external clamp-on sensor to measure flow without fluid contact—perfect for clean liquids like water, oil, and non-corrosive chemicals.
🌟 Key Features
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Non-invasive Clamp-on Design – No pipe cutting, no flow interruption
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Wide Pipe Compatibility – Suitable for metal and plastic pipes: PVC, PP, PVDF
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High Accuracy – ±2% standard; up to ±1% after calibration
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LCD Display – 256×128 high-resolution screen for real-time data
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Optional Energy Measurement – Can function as a BTU or heat/cooling energy meter
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Flexible Outputs – 4–20mA, Modbus RS485, pulse, and relay (optional)
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Durable & Protected – IP65 enclosure, surge and reverse-polarity protection
📊 Technical Specifications – PRE320-UF
| Item | Specification |
|---|---|
| Pipe Material | Metal or rigid plastic (PVC, PP, PVDF) |
| Applicable Liquids | Water, oil, and clean non-corrosive liquids |
| Pipe Size Range | DN15 ~ DN65 |
| Liquid Temperature | 0 ~ 115°C (no freezing on sensor surface) |
| Accuracy | ±2% (±1% with calibration) |
| Response Time | 0.5 – 60 seconds |
| Cut-off Velocity | 0.1 m/s (default setting) |
| Display | 256×128 LCD screen |
| Output Signals | 4–20mA; Optional: Pulse (OCT), Relay Alarm |
| Communication Protocol | RS485 (Modbus RTU) |
| Power Supply | 10–24VDC |
| Power Consumption | <3W |
| Data Storage | EEPROM (>10 years, >1 million read/write cycles) |
| Protection Rating | IP65 |
| Operating Temperature | -10 ~ 60°C (non-freezing) |
| Humidity Range | 35% ~ 85% RH (non-condensing) |
| Vibration Resistance | 10–55Hz, double amplitude 1.5mm, 2 hours on each axis |
| Impact Resistance | 100 m/s², 1000 shocks per axis |
| Housing Material | Aluminum alloy and industrial-grade plastic |
| Cable Length | Signal cable: 2m; PT1000 sensor cable: 9m (standard) |
🚀 Maximum Flow Rate by Pipe Size
| Pipe Size (DN) | Max Flow Rate (L/min) |
|---|---|
| DN15 | 60 |
| DN20 | 100 |
| DN25 | 200 |
| DN32 | 300 |
| DN40 | 400 |
| DN50 | 600 |
| DN65 | 1000 |
🏭 Common Applications
The PRE320-UF is widely used in:
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HVAC (chilled & hot water flow monitoring)
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Water treatment & distribution systems
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Clean oil or chemical flow metering
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Building energy management (BTU metering)
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Food & pharmaceutical processing
🔍 Why Choose PRE320-UF?
The PRE320-UF is the ideal ultrasonic flow meter for small diameter pipelines. It combines fast setup, high accuracy, and robust performance, making it a reliable choice for modern industrial and commercial flow monitoring needs.
