VFT-512 Low Differential Pressure Transducer
VFT-513 High Differential Pressure Transducer
Table of Content
Feature
- 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
Application
Space / Duct static pressure, Cleanroom, Hospital, Compression cooling systems, Air filter monitoring, Pumps, Fan control, Pneumatic controls, Duct airflow, Differential pressure monitoring, HVAC…etc.
Specification
| 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 |
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| 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 |
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| 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 |
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| 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 | ||