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Air Velocity (Wind Speed) Transmitter – MEMS Sensor, RS485 & Long-Term Stability

Low Air Velocity Transmitter – Ultra-Sensitive MEMS Sensor for Cleanroom & Labs

SKU: LFS11
$700.00Price

High-precision transmitter for ultra-low air velocity measurement below 0.15 m/s. Designed for laminar flow and clean ventilation control in medical, lab, and pharmaceutical environments.

  • Product Description

    The Low Air Velocity Transmitter is engineered for precise airflow monitoring in critical low-velocity environments where traditional sensors may fall short. Ideal for measuring air speeds as low as 0.15 m/s, this transmitter is a trusted solution for laminar flow systems, cleanrooms, pharmaceutical manufacturing, laboratories, and medical facilities.

    Utilizing a high-quality MEMS hot-film sensor, the device delivers excellent long-term accuracy, stability, and resistance to interference. Its compact design ensures easy installation and integration into advanced HVAC and airflow control systems.

    Equipped with overload and reverse connection protection, as well as optional isolated RS485 output, this sensor is built for demanding environments requiring sensitive and reliable airflow measurement.

    Key Features:

    • Accurate measurement of ultra-low airflow (down to 0.15 m/s)

    • Imported MEMS hot-film sensor with long-term stability

    • Excellent anti-interference and anti-pollution performance

    • Optional isolated RS485 output for secure data transmission

    • Overload and reverse polarity protection for safety

    • Ideal for cleanrooms, laminar flow benches, labs, and medical-grade ventilation systems

    • Easy installation and low maintenance

  • Specifications

    Working Voltage 12-30VDC / 24VAC (±20%)
    Range① 0-1m/s,0-1.5m/s,0-2m/s optional 
    Accuracy ±(0.04m/s + 3% of mv) (20℃, 45%RH and 1013hPa)
    Resolution 0.01m/s
    Output signal RS485/Modbus, 0~10VDC/4~20mA (Voltage and current dual output) optional
    Output load ≤250Ω(Current output), ≥5kΩ(Voltage output)
    Working temperature -10~60℃
    Storage temperature -20~80℃
    Probe length 210mm(optional)
    Display Optional LCD display with unit display and backlight
    Protection Class Shell IP65, Probe IP20
    Material Shell PC,Probe PA6
    Certifications RoHS, EU Electrical Safety Standards CE
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