ST301x - Economical Digital Ultrasonic Flowmeter

Yes, as you may have found, ultrasonic flowmeters have many advantages over traditional flowmeters, but, they are just too expensive for many applications. Shenitech has spent many years on pushing the technology to its limit in order to cut the cost significantly without compromising the performance. We are now proud to present our latest innovation, the ST301x series digital ultrasonic flowmeters, to our valued customers like you. ST301x product family includes ST301B clamp-on ultrasonic flowmeter, ST301C insertion ultrasonic flowmeter and ST301G flow-cell ultrasonic flowmeter. All of them have better than 1% accuracy. All of them are priced significantly lower than competitors’ ultrasonic flowmeters.

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Features and Benefits Download Brochure
Economical Flow Meter
Tel. (International)
  • High accuracy. Normally ±1%. Could be 0.5% when in-situ calibration is available
  • No moving parts to worn out, thus, long life-span.
  • No maintenance required, thus, low operation cost
  • No pressure drop, no flow disturbance. Big savings on high pressure pipes
  • Excellent long-term stability. System accuracy does not degrade over time
  • NIST standard. Calibration certificate available upon request
  • Bi-directional
  • Wide flow range. Large turn-down ratio
  • Suitable for all commonly used pipe materials
  • Suitable for most pure liquids and liquids with minor particles
  • Robust performance due to proprietary signal quality tracking and self-adaptation technology
  • Built-in flow totalizers and batch controller
  • Built-in task scheduler and leakage detection / alarming functions
  • Thermal energy measurement capability
  • StufManagerTM PC software for easy programming
  • Isolated RS-485 interface with power surge protection. Support MODBUS. Well suited for reliable networking
  • Versatile inputs/outputs, such as isolated 4-20mA output, pulse output, analog inputs
  • IP65 weather-proof plastic enclosure. Compact and light weight (just 450g/1lb)
  • Low power consumption, less than 0.5Watt at 9VDC
ST301B Clamp-on Flowmeter
  • Non-intrusive. No risk of contamination or leakage
  • Easy installation. No pipe cutting, no hole drilling. Save installation cost
  • Can be easily moved from one location to another
  • For pipe size DN25 ~ DN6,000 (1”~240”)

ST301C Insertion Flowmeter
  • Excellent long-term stability
  • Better accuracy than clamp-on
  • Better signal strength, thus, better performance than clamp-on when liquid has some solids
  • For pipe size ≥DN80 (3”)

ST301G Flow-Cell Flowmeter
  • Excellent long-term stability
  • Best accuracy among the three transducer types
  • Flowmeter is pre-programmed in factory, thus, it is a simple plug and play device
  • For pipe size DN10~DN500 (3/8”~20”)


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