TFM VT-222 Vortex Flowmeter User Manual
Pressure Sensor
Use the XF3 socket to connect the pressure sensor (pressure sensor must be a bridge type
sensor). I+ and I- are the power supply, A + and A- are the sensor signal outputs.
The bridge impedance of the pressure sensor must be between 3 to 6000 ohms. The supply current for
the pressure sensor is about 0.3 mA. As long as the sensor output does not exceed [email protected], you
may use an external sensor of your choice.
Socket XF3 defined as follows:
Temperature Sensor
Socket XF5 supports Pt1000 and Pt100, two-wire connection.
TFM VT-222 Vortex Flowmeter Quick Manual Rev 10f page 5 of 30