Vortex flow meter YFVW300A
volumefor gasfor steam

Vortex flow meter - YFVW300A - Xi'an Yunyi Instrument Co., Ltd. - volume / for gas / for steam
Vortex flow meter - YFVW300A - Xi'an Yunyi Instrument Co., Ltd. - volume / for gas / for steam
Vortex flow meter - YFVW300A - Xi'an Yunyi Instrument Co., Ltd. - volume / for gas / for steam - image - 2
Vortex flow meter - YFVW300A - Xi'an Yunyi Instrument Co., Ltd. - volume / for gas / for steam - image - 3
Vortex flow meter - YFVW300A - Xi'an Yunyi Instrument Co., Ltd. - volume / for gas / for steam - image - 4
Vortex flow meter - YFVW300A - Xi'an Yunyi Instrument Co., Ltd. - volume / for gas / for steam - image - 5
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Characteristics

Technology
vortex
Type
volume
Fluid
for liquids, for gas, for steam
Pipe diameter
DN50 - 2", DN25 - 1", DN275 - 11", DN15 - 1/2", DN200 - 8", DN100 - 4", DN80 - 3", DN40 - 1"1/2, DN20 - 3/4", DN300 - 12", DN32 - 1"1/4, DN65 - 2"1/2, DN60 - 2"1/4, DN175 - 7", DN125 - 5", DN90 - 3"1/2, DN225 - 9", DN150 - 6", DN250 - 10"
Installation
flange
Communication
4-20 mA, RS485, wireless, IoT, LoRaWAN
Protection level
IP67, weather-resistant, vibration-resistant
Applications
for the oil and gas industry, HVAC
Other characteristics
remote, with battery, non-contact, high-temperature
Process temperature

Max.: 350 °C
(662 °F)

Min.: -40 °C
(-40 °F)

Description

Overview
The YFVW300A wireless vortex flow meter delivers non-contact flow measurement for steam, industrial gases and low‑viscosity liquids using the Karman vortex principle combined with LoRaWAN and NB‑IoT communication. Designed for battery operation and high-temperature environments, it enables rapid wireless deployment where cabling is impractical or unsafe.

Product Advantages
  • Zero-wiring deployment: eliminates extensive cabling and conduit work, cutting installation time and cost while improving safety in hazardous zones.
  • High turndown ratio: 10:1 range enables accurate measurement across start-up to full-load conditions (steam range up to 0.5–25 m/s).
  • Rugged environmental design: operating capability from -40°C to 350°C, IP67 protection and resistance to vibration for outdoor and tunnel installations.
  • Intelligent diagnostics: real-time sensor health checks with automatic temperature and pressure compensation to enhance data reliability.
  • Cloud-ready data management: direct transmission to energy management platforms with automated consumption reports and alerting via message/email.

Core Application Areas
  • Steam energy metering: boiler output, heat exchangers and process steam monitoring.
  • Industrial gas monitoring: compressed air, nitrogen, oxygen and other plant gases.
  • Chemical process control: safe flow measurement for flammable gases with compliance to explosion-proof requirements.
  • HVAC systems: refrigerant and central air-conditioning flow audits.
  • Distributed piping networks: wireless monitoring of steam/gas pipelines in facilities without external power.

Pain Point Solver
Solves cable aging and high wiring costs in high-temperature or explosion-proof zones and eliminates the need for power cabling at remote measurement points by providing a battery-powered, wireless, non-contact metering solution.

Technical specifications
  • Model: YFVW300A (wireless vortex flow meter).
  • Principle: Karman vortex street (vortex shedding) with vortex-generating element for non-contact measurement.
  • Measured media: steam, gases, low-viscosity liquids.
  • Wireless communication: LoRaWAN and NB‑IoT supported.
  • Power: battery operation enabling wireless deployment without cabling.
  • Range ratio: 10:1; steam measurement up to 0.5–25 m/s.
  • Operating temperature: designed for -40°C to 350°C.
  • Ingress protection: IP67.
  • Mechanical: no moving parts, no pressure-sensing tubing required.
  • Robustness: vibration-resistant; suitable for outdoor and tunnel environments.
  • Diagnostics: intelligent self-diagnosis, real-time sensor health monitoring, automatic temperature/pressure compensation.
  • Data: direct cloud transmission to energy management platforms, reporting and alert support.

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