VFT-510 Series Differential Pressure Transducer


  • Output : 4~20mA / 0~5V / 0~10V / RS-485 Modbus
  • ±0.25% F.S High accurate, pressure up to 100psi
  • Fine ZERO & SPAN adjustments and Zero setting
  • Measurement range selectable
  • Relative & Differential Pressure and wind velocity measurement
  • Auto. Temperature Compensation
  • Multi-function digital LCD display
  • Pa, mbar, and mmH2O unit of measurement optional
  • Ceramic sensor, excellent durability
  • Converse piezoelectric protection
  • IP65, CE, and RoHS approved


Space / Duct static pressure, Cleanroom, Hospital, Compression cooling systems, Air filter monitoring, Pumps, Fan control, Pneumatic controls, Duct airflow, Differential pressure monitoring, HVAC…etc.


Model No. VFT-512 VFT-513
Measuring Range Differential Pressure ±7000Pa/ ±700mmH2O / ±70mbar ±99000Pa / 9900mmH2O / 1000mbar
Wind Speed 0~100m/s (via Pitot tube) 0~210m/s (via Pitot tube)
Resolution Differential Pressure 1Pa / 0.1mmH2O / 0.01mbar 10Pa / 1mmH2O / 0.1mbar
Wind Speed 0.1m/s 1m/s
Accuracy (at 25°C) ±0.25% F.S, TEB<1% ※TEB : Total Error Band
Measurement Unit Differential Pressure: Pa, mbar, mmH2O switchable
Wind Speed: m/s
Temperature: °C, °F switchable
Media Compatibility Dry air or non-corrosive gases and liquids
Display and Functions LCD display (4-digital), The functions can be displayed: Relative Pressure, Differential Pressure, Wind Speed, Temp., Max., Min, Averages, Measurement Unit
Sampling Rate Approx. 0.5 sec.
Output Signal* Analog Output : 4 ~ 20mA / 0 ~ 5V or 0 ~ 10Vdc
※The initial setting range is ±7000 Pa, 4~20mA and 0~5Vdc
※Output of wind speed is 0~100m/s, the minimum reading is 1.2m/s
Digital Output: RS-485 / Modbus RTU protocol (Wind Pressure, Temp. simultaneously)
Auto temp. compensation 0 ~ +60°C (+32°F ~ +140°F)
Measurement range setting The user can set the measuring range by setting the button
※The Initial is ±7000 Pa for the type VFT-512 / ±99000 Pa for the type VFT-513
※The wind speed can’t set the measurement range
Calibration Zero & Span adjustments and Zero setting
Baud Rate 9600
Over Pressure About 100PSI
Operating Environment 0 ~ +55°C (+32 ~ +131°F), 0~95%RH non-condensing
Storage Environment -20 ~ +60°C (-4 ~ +140°F), 0~95%RH non-condensing
Power Supply DC 12~32V, ≧150mA (Max. DC36V)
Dimensions 10(L) × 80(W) × 48(D)mm (4.33 × 3.15 × 1.89 inches) ; Not including the pressure hose connector & cable gland
Weight Approx. 215g
Approvals RoHS, CE, IP65

Download Datasheet: VFT-510- Differential Pressure Transducer

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Rudy Wiratama


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