Main Board of Precession Vortex Flowmeter – Smart Gas Flow Solution
This main board is specifically designed for precession vortex (also known as swirl or vortex precession) flowmeters, which are widely used for gas flow measurement. The board handles signal acquisition from the precession vortex sensor, performs flow calculation with temperature and pressure compensation, and provides multiple output options for integration with control systems or remote monitoring platforms.

Key Features & Functions
Communication Protocols
RS485 Modbus (standard)
HART protocol (bidirectional communication)
GPRS wireless (in development / available soon)
Analog & Pulse Outputs
4–20mA
1–5V / 2–10V
Frequency output (scalable to flow rate)
Equivalent pulse output (scaled pulse per volume unit)
Power Supply Options
24V DC (standard industrial)
Battery-powered (for remote or off-grid installations)
Flow Compensation
Temperature & pressure (T/P) compensation — essential for accurate gas volumetric flow correction to standard conditions (e.g., normal cubic meters)

Applications
Natural gas flow measurement
Coal mine methane (CMM) and landfill gas
Industrial fuel gas monitoring
Air and compressed air systems
Biogas and process gas measurement

Why Choose This Main Board
Precision gas measurement — precession vortex technology handles dirty or unstable gas flows better than turbines
T/P compensation built-in — no external flow computer needed for standard condition conversion
Battery power support — ideal for remote wellheads or pipeline monitoring without grid power
HART + RS485 — integrates with both legacy and modern control systems
Multiple output options — compatible with any PLC, DCS, SCADA, or flow totalizer
GPRS-ready for future wireless telemetry