Technical Features
Piezoresistive sensor
Display optional
Multiple output signals
Zero calibration
Typical Applications
Biopharmaceuticals
Electronic semiconductor
High standard clean room
Building automation and control
Filter monitoring
Technical Data
Input and output
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Operating voltage
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24V DC±20%
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Current output
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4 ... 20mA RL < 500 Ohm
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Power consumption
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Current output: ＜ 15mA (typical value)
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Voltage output
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0 ... 5V; 0 ... 10V
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Voltage output: ＜10mA
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Channel precision: ±0.2%FS
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RS485 digital output: ＜ 10mA
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Digital output
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RS485 (Modbus RTU)
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Measurement Parameter
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Measurement range
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3...100m/s (9 ... 10000Pa)
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Sensor
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piezoresistive pressure difference sensor
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Measurement precision
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±2% measurement value (wind speed ＞ 3m/s)
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τ63 response time
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30ms
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Overload pressure
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10Kpa (0 ... ±1000pa)
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Temperature characteristics
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< 0.03%FS/℃
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80Kpa (0 ... ±10Kpa)
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Sampling frequency
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15s
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Temperature compensation
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0 ... 60℃
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The above precisions are comprehensive precisions, including repeatability, linearity and hysteresis of the measurement, and can be traced to the CNAS standard.
Technical Specification
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Wiring connection
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The maximum cable diameter of the terminal is 1.5mm2
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Shell material
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PC (flame-retardant grade UL94-V0)
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Cable connector
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M16*1.5 gland connector (threading diameter 4.5~10mm)
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Protection grade
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IP65
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Operating temperature and humidity
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-20 ... 85℃ 0 ... 95%
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Electromagnetic compatibility
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EN61326-1 EN61326-2-3
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Storage temperature
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-20 ... 60℃
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Display module
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Field LCD display
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Data download:
VT120 Clean Industrial Pressure-Difference Pitot Tube Wind Speed Transmitter Product Manual