Description:

Measure flow in pipes from 40 to 4000mm with the DUF901-EP Doppler Ultrasonic Flow Meter. Non-invasive, portable, and ideal for dirty liquids with air bubbles or solids. Clamp-on installation, high accuracy, and up to 50-hour battery life.

DUF901-EP Doppler Portable Ultrasonic Flow Meter

Portable. Non-Invasive. Designed for Dirty & Slurry Liquids.

The DUF901-EP Doppler Portable Ultrasonic Flow Meter is engineered for accurate and reliable volumetric flow measurement in full pipelines containing dirty liquids with suspended solids or air bubbles. The clamp-on transducer allows easy installation without disrupting the flow, making it ideal for a wide range of industries.

It features a clear LCD display, 4-20mA, and OCT outputs, along with a rechargeable battery for up to 50 hours of continuous operation, ensuring both flexibility and efficiency in the field.

Key Features

✅ Wide Pipe Size Compatibility

• Suitable for pipe diameters from 40mm to 4000mm.

✅ Ideal for Dirty & Slurry Liquids

• Works with liquids containing at least 100 ppm reflectors, with 20% particles larger than 100 microns.

✅ Low & High Flow Measurement Capability

• Measures flow velocities from 0.05 m/s up to 12 m/s, ensuring exceptional low flow sensitivity.

✅ High-Temperature Capability

• Standard transducer: up to 85°C (short-term to 120°C).

• High-temp transducer: up to 200°C (short-term to 250°C).

✅ Non-Invasive Installation

• Clamp-on transducers—no need to shut down the pipeline during installation.

✅ User-Friendly Operation

• Intuitive interface with 6-button keypad and clear LCD display.

✅ Flexible Outputs & Communication

• Supports 4-20mA analog and OCT outputs for system integration.

✅ Portable & Durable Design

• Lightweight 3kg ABS housing with IP65 protection, built for demanding environments.

✅ Extended Battery Life

• Built-in rechargeable battery lasts up to 50 hours, ensuring long-term fieldwork.

Typical Applications

• Raw sewage & wastewater treatment

• Activated sludge systems

• Groundwater flow monitoring

• Pulp and paper slurries

• Chemical process slurries

• Drainage systems

• Mining recirculation water

Technical Specifications