
The EESIFLO® Portalok 7S ultrasonic flow meter stands out for its proven reliability and extensive track record, with thousands of successful measurements across a wide range of clamp-on flow applications. Widely favoured in flow surveys, it delivers fast and accurate results with minimal user training—making it an ideal choice for both seasoned professionals and first-time operators. In environments where failed measurements can lead to costly delays and frustration, the Portalok 7S offers a dependable, user-friendly solution. Designed for simplicity and precision, it embodies the concept of “EASY FLOW,” providing meaningful data in a fraction of the time required by conventional systems.
Reliable and Extremely Easy to Use.
- Transit Time ultrasonic Propagation technology with Doppler Assist.
- Waterproof System Design.
- Excellent tool for Flow Survey Companies.
- High Signal Strength even in difficult applications.
- Available as a purchase or rental item.
- Complete Flow Survey Package off the shelf.
- Improved Signal to Noise Ratio.
- Volumetric Flow Measurements in Metric or Imperial Units.
- Flow Totalizer
- HVAC – Energy Audits/Chiller Optimization
- MUNICIPAL WATER – Large pipe flow surveys – Leak Detection
- CHEMICAL PLANTS – Process check measurements/Toxic chemicals
- OIL & GAS PRODUCTION – Produced Water / Hot Oil
- ULTILITY PLANTS – Hot Water
- REFINERIES – Cooling Towers /General Process flow checks/Maintenance
- PUMP SUPPLIERS/CUSTOMERS – Pump Performance checks/Maintenance
Measurement Principle: Transit time difference correlation principle
Flow Velocity: 0.01 – 25 (m/s)
Repeatability: 0.25% of reading ±0.01 (m/s)
Power supply: 100-230 V/50-60Hz (Power charging unit)/ 10.5 – 15VDC (Socket in transmitter) – Integrated battery