Variable Area Flow Meters (ZYIA) | Industrial monitoring (e.g., chemical, water treatment) | ▲ Accuracy: ±2% (Advanced) / ±4% (Base) (ISO 5168) Pressure: 1.6MPa (Advanced) / 1.0MPa (Base) (EN 1092) Medium: Water/Air/Gas (CE certified) | Low cost, no power required, transparent design for visual monitoring (ASTM D1248) ▲ Advanced: Higher pressure tolerance | Lower accuracy compared to electromagnetic meters |
Turbine Flow Meters | High-flow clean liquids (e.g., oil, fuel) | Accuracy: ±0.5–1% (ISO 9090) Pressure: 40 bar (DIN EN 8031) Requires external power | High precision, wide flow range, scalable for industrial use | High cost, requires maintenance, vulnerable to contamination |
Electromagnetic Flow Meters | Conductive liquids (e.g., water treatment, food processing) | Accuracy: ±0.5% (ISO 9090) No moving parts (IEC 60044-8) Flow rate: 0.3–10 m/s | No wear, direct inline measurement, bidirectional flow | Ineffective for non-conductive fluids (e.g., oils), costly installation |
Coriolis Flow Meters | High-precision applications (e.g., chemicals, slurries) | Accuracy: ±0.1% (ISO 9090) Measures mass flow (ISO 11123) Temperature: -50°C to 200°C (ASTM E145) | Direct mass flow measurement, minimal pressure loss | High cost, bulky design, power-dependent |
Ultrasonic Flow Meters | Non-invasive monitoring (e.g., HVAC, pipelines) | Accuracy: ±1% (ISO 9090) No moving parts (IEC 61431) Bidirectional flow (ASTM D6341) | No pressure drop, no contact with fluid, scalable | Susceptible to noise, requires clean fluid, costly for complex setups |
Thermal Mass Flow Meters | Gases in R&D/HVAC (e.g., air, nitrogen) | Accuracy: ±1% (ISO 9090) Measures mass flow (ISO 11123) Temperature: 0–200°C (ASTM E145) | Fast response, direct mass flow measurement | Limited to gases, sensitive to contamination, requires calibration |