STUF 300H - Handheld Ultrasonic Flowmeter

State-of-the-Art Clamp-on Transit-Time Technology

Fully featured for non-intrusive accurate liquid flow measurement. Guaranteed lowest price! Click here for a quick quote.
Features and Benefits Download Brochure
Handheld Ultrasonic Flow Meter
Tel. (International)

  • High accuracy measurement. Click here to view a NIST-traceable calibration report
  • Non-intrusive, clamp-on installation. Easy and fast. No moving parts. Maintenance free.
  • Light weight, compact design
  • Suitable for all commonly used pipe materials and liquids
  • Suitable for pipes from 1" ~ 120" (DN25~3000mm)
  • Rechargeable battery for 10 hours of operation.
  • Built-in data logger and flow totalizers
  • Self-explanatory user interface. Easy to operate.
  • StufManagerTM PC software for data download and real-time data acquisition
  • Signal quality tracking and self-adaptation for robust performance
  • USB interface for data download and serial communication

STUF-300H Handheld Ultrasonic Flowmeter is one of the most powerful flowmeters available for liquid flow measurement. The utilization of our proprietary ultrasonic signal processing, transit-time measurement and signal quality tracking technologies allows the flowmeter to measure liquid flow rate from outside of a pipe reliably and accurately.

STUF-300H is carefully designed so that it is very compact and easy to use. You can use one hand to hold as well as to operate the flowmeter. The user interface is self-explanatory and very easy to follow. The unique clamp-on fixture design makes the installation very simple and no special skills or tools required.

Shenitech offers StufManagerTM PC software for data logger download and to explore the full potential of STUF-300H flowmeter.

Linearity Better than 1%
Repeatability 0.5%
Accuracy ±1% of velocity reading or ±10mm/s, whichever is bigger
Response Time 0-999 seconds, user-configurable

-52ft/s ~ +52ft/s (-16m/s ~ +16m/s), bi-directional

Pipe Size 1" ~ 240" (DN20mm - DN6,000mm)*
Pipe Material All metals, most plastics, lined pipes
Units English (U.S.) or metric
Totalizer Three 7-digit totalizers for totalizing net, positive, and negative flows respectively
Liquid Types Virtually all liquids (full pipe)
Liquid Temp 32°F ~ 176°F (0°C ~ 80°C) or 32°F ~ 312°F (0°C ~ 150°C), depending on transducer type
Security Setup Modification Lockout. Access code needed for unlocking
Display 4 x 16 characters
Digital Interface USB interface: serial communication port with simplified protocol StufManagerTM Windows PC software for data download and real-time data acquisition
Transducers Refer to Optional Transducers section for more details
Transducer Cable Standard 2' x 15' (2m x 5m). Extension cable available upon request
Power Supply 3 AAA Ni-H built-in batteries. When fully recharged it lasts over 10 hours.
100V-240VAC for the charger
Data Logger Built-in data logger can store over 2000 lines of data
Housing Material Aluminum alloy protective case. Suitable for normal and harsh environment
Case Size 7.9" x 3.6" x 1.3" (200mm x 92mm x 32mm)
Handset Weight 1.2 lbs (538 g) with batteries
Transducer Options:

Magnetic Flow Transducer Type HS

Handheld small size transducer (magnetic)
Dim 7.9"x1"x1" (200x25x25mm3), handle length 3.9" (100mm)
For pipe size: 1" ~ 4" (DN25 ~ DN100mm)
Temperature: 3° F ~ 176°F (0°C ~ 80°C)

High Temperature Transducer, Magnetic Flow Meter Type S1HT

Small size, high temperature transducer
Pipe size: 1" ~ 4" (DN25 ~ DN100mm)
Temperature: 32°F ~ 312°F (0°C ~ 155°C)

Magnetic Flow Transducer Type HM

Medium size transducer (magnetic with mounting rack)
Dim 11"x1.6" x1.6" (280x40x40mm3) for each
Pipe size: 2" ~ 28"(DN50 ~ DN700mm)
Temperature:32° F ~ 176° F (0°C ~ 80°C)

Midium High Temperature Transducer, Magnetic Flow Meter Type M1HT

Medium size, high temperature transducer
Pipe size: 2” ~ 28” (DN50 ~ DN700mm)
Temperature: 32˚ F ~ 312˚ F (0˚C ~ 155˚C)

Larg High Temperature Magnetic Transducer, Magnetic Transducer Type L1

Large size transducer
Dim 3.1"x2.7" x2.2" (80x70x55mm3)
Pipe size: 11" ~ 240" (DN300 ~ DN6,000mm)
Temperature: 32° F ~ 176° F (0°C ~ 80°C)

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