Technical Specifications & Engineering Parameters
| Measurement Principle | Forced fluid swirl precession frequency detection with piezocrystal sensor |
| Nominal Diameter | DN15 to DN200 (1/2" to 8") |
| Applicable Medium | Natural gas, coal bed gas, compressed gas, wellhead casing gas, biogas |
| Measurement Accuracy | ±1.0% to ±1.5% of reading across specified flow velocity range |
| Straight Pipe Requirement | Short straight pipe runs needed (3D upstream / 1D downstream) |
| Built-in T&P Compensation | Simultaneous acquisition of temp, pressure, and frequency for volume correction |
| Operating Pressure Range | 0.1 MPa to 4.0 MPa (High pressure flange design) |
| Medium Temperature | -20°C to +80°C |
| Output & Protocol | 4-20mA, Scaled pulse, RS485 Modbus-RTU, Frequency signal |
| Power Supply | Built-in 3.6V Lithium battery (3+ years) and 24V DC external auto-switch |
| Explosion-Proof & IP | Ex d IIC T4 / Ex ia IIC T4 Gb; Enclosure rating IP65 |
