Dwyer PUF-1003 Portable Ultrasonic Flowmeter Kit

Dwyer PUF-1003 Portable Ultrasonic Flowmeter Kit (Type B) – For 2″ to 78″ Pipe Sizes.

The Series PUF Portable Ultrasonic Flowmeter Kit utilizes the transit-time difference for measuring flow rates in pipes non-invasively. It is a compact and lightweight instrument incorporating the latest electronics and signal processing technologies, realizing high performance and easy operation. This device is capable of 20 hours continuous operation with its built-in battery. The PUF comes with an IP67 rated carrying case with molded foam inserts to hold and protect all equipment against dust and water. The screen offers easy to read text with a convenient backlight for visual comfort. The efficient layout of the function keys add to this units easy to use programming. The unit comes with RS232 and USB connections to allow for easy connection to any personal computer or printer.

Key Features

• Wide pipe compatibility: 2″ to 78″ pipe sizes

• Transit-time ultrasonic measurement for non-intrusive monitoring

• ±0.5 to 2% reading accuracy for flows >0.66 ft/s and pipes >3″

• Large high-contrast LCD with multilingual support and backlighting

• Rechargeable battery with 20-hour runtime

• Stores up to 98,000 data points

• USB and RS232 communication for data transfer

• Multiple outputs: 4–20 mA, pulse, and analog options

• Easy ‘Quick Start’ setup via intuitive dual-function keypad

• Compatible with a variety of pipe materials and linings

Why Choose the Dwyer PUF-1003?

With its compact design and powerful diagnostic capabilities, the PUF-1003 is a top choice for professionals needing temporary or mobile flow monitoring on large pipes. The robust feature set includes real-time signal monitoring, multi-language support, and error current detection, making it suitable for both field service and in-plant measurement tasks.

Whether you’re monitoring process performance, verifying permanent installations, or conducting system troubleshooting, the PUF-1003 ensures accurate and reliable data in minutes—without disrupting flow.

Explore more in our Flowmeters category or learn how it compares in our guide: Flowmeter Types Explained: Ultrasonic vs Magnetic – Choosing the Right Technology for Accurate Flow Measurement.

What’s Included in the Kit

• PUF-1003 converter unit

• Clamp-on transducers (Type B)

• Transducer holders and 6.56 ft (2 m) cables

• Ruled guide rail and test block

• Chains and ultrasonic coupling grease

• USB, RS232, and 4–20 mA cables

• 12 VDC power supply (with global adapters)

• Rugged IP67-rated carrying case with molded foam inserts

Technical Specifications