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Micronics Portaflow 222 | Portable Clamp-on Ultrasonic Flow Meter | 'A' & 'B' Sensors, 0.1–10 m/s
The Micronics Portaflow 222 is a portable clamp-on flow meter for measuring liquid flow in closed pipes from the outside, using a cross-correlation transit-time ultrasonic method with Reynolds number correction. It can be supplied with 'A' transducers for 13–115 mm OD pipes, 'B' transducers for larger pipes, or both. Typical uses include HVAC and flow system surveys, checking installed meters, pump verification, boiler testing and leak detection.
Key features
- Bi-directional flow measurement with no need to cut the pipe or stop the process
- Option of 'A', 'B' or both transducer sets in mounting rails
- 4–20 mA output and three pulse/frequency outputs
- Rechargeable NiMH battery, around 14 hours depending on load, or mains via PSU
- 64 x 240 pixel graphic display and 16-key control panel
- Supplied in a double-wall polypropylene case with foam insert
- Specifications
- Downloads
| Part Number | Portaflow 222 |
| Brand | Micronics |
| Measurement | Ultrasonic cross-correlation transit time |
| Flow Range | 0.1 to 10 m/s, bi-directional |
| Accuracy | ±0.5% to ±2% (ID >75 mm); ±2% (ID 13–75 mm); flow >0.2 m/s |
| 'A' Transducers | 13–115 mm OD pipes |
| 'B' Transducers | 50–1000 mm OD pipes |
| Transducer Temperature | -20 to +135 °C |
| Turn Down Ratio | 100:1 |
| Outputs | 4–20 mA (620 ohm max); 3 x pulse/frequency |
| Display & Keypad | 64 x 240 pixel graphic; 16-key |
| Battery | Rechargeable NiMH, approx. 14 h (2.5 h charge) |
| Mains Power | 110–240 VAC ±10% via PSU |
| Approval | CE |
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