• FTS140 Hot Wire Air Velocity Transmitter

FTS140 Hot Wire Air Velocity Transmitter

Model : FTS140
Features:Economic model for HVAC application.
Sensor type:Hot wire mass flow transmitter
Measuring range:0 ... 20 m/s
Output:4 ... 20 mA / DC 0 ... 10 V
Accuracy:±3% F.S.
IP rating:IP54
  • Features
    Using Mass flow principle A better choice for HVAC engineering

    ● Hot wire mass flow transmitter
    ● IP rating:IP54
    ● Linear adjustment function
    ● Switching analog output by dip switch
    ● The housing and probe material are PC fire-proof

    FTS140 hot wire air velocity transmitter, using mass flow measuring principle, stable electrical bridge with good accuracy, simple structure, stable performance and low flow sensitivity.
    It is suitable for use in HVAC air conditioning environment measurement, optimization and adjustment of system performance, ventilation control.
    Duct type, easy installation, suitable is used extensively in environmental engineering projects, as facility and factory maintenance.
  • Applications
    Monitoring air and flow for industrial process / HVAC / Building / Factory
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  • Specification
    Sensor:Hot wire mass flow transmitter
    Measuring range:0 ... 20 m/s
    Minimum measuring range:0.2 m/s
    Installation angle effect:<3% of the measured value(When the installation angle<10°)

    Signal:4 ... 20 mA / DC 0 ... 10 V
    Signal connection:3-wire
    Load resistance:Current output:≦500 Ω / Voltage output:≧10 KΩ
    Reaction time:t90≦5 sec(τ:90%)

    Temp. influence:0.3% / °C

    Medium & Temp.:Air;0 ... 50°C
    Body operating Temp.:0 ... 50°C
    Body operating Humid.:95%RH(Non-condensing)
    Storage Temp.:-20 ... +60°C

    Power supply:DC 24 V & AC 12 ... 30 V
    Current consumption:DC 24 V:120 mA / AC 12 V:350 mA / AV 24 V:180 mA
    Overvoltage protection:DC:<40 V / AC:<40 V
    Electrical connections:Terminal

    Installation & Protection
    Installation:Duct type / Flange type
    IP rating:IP54
    Electrical protection:■ Polarity protection ■ Over-voltage ■ Short-circuit


    Housing / Probe:PC fire-proof(UL94V-2) / PC fire-proof
    Probe head / Wire:PC
    Weight:~150 g
Note : Design and specifications are subject to change without notice.
Note : If the product has RS-485 function, to avoid damaging product, please make sure the product and the device which connect with RS-485 are on common ground.