
eFlo 2.0 HiPr gas and liquid flow measurement and control up to 6 bar
Measures and controls the flow of standard and aggressive liquids and gases at pressures up to 6 bar, and its calibration can be certified in place.
Flow meters
Measures and controls the flow of common process gases up to 350 mbar, with pressure and temperature compensation and calibration that can be certified in place.
SSi supplies flow measurement and control technology built for the harshest industrial environments. The eFlo 2.0 is the newest electronic flow measurement instrument line and, like the earlier eFlo models, it drops into existing control systems, which makes tracking and monitoring gas flows easier than ever and allows manual flow meters to be replaced without reworking the panel.
The meter is available in several configurations: with a motorised automatic control valve, with a manual control valve, without a control valve, and as a totaliser only. Depending on the model ordered, eFlo offers a digital display with a touch keypad, direct and remote setpoint control with built-in alarms, Modbus communications, digital and analogue I/O, USB and Ethernet connectivity, onboard datalogging and mobile device support.
Flow is derived from the differential pressure of the gas across a purpose designed orifice in the flow assembly, with pressure and temperature compensation applied to the calculation, and the instrument adds diagnostic information, flow rate and pressure alarms and a flow totaliser.
| Power required | 24 V DC at 400 mA |
|---|---|
| Accuracy | ±4% |
| Turndown ratio | 6:1 |
| Gas temperature limits | 0 °C to 65.6 °C |
| Ambient temperature limits | 0 °C to 65.6 °C |
| Flow output signal (linear) | 4-20 mA |
| Max. output signal load | 500 Ω |
| Input control signal (linear) | 4-20 mA |
| Response time | 1 to 10 seconds |
| Communications | RS485, Ethernet, USB |
| Communications protocol | Modbus RTU, Modbus TCP, EtherNet/IP |
| Flow meter pressure limit | 350 mbar max. |
| Pipe fitting | 1 1/4 in NPT |
| Gases | Nitrogen, hydrogen, ammonia, dissociated ammonia, argon, CO2, CO, methane, natural gas, propane, oxygen, air, endothermic and exothermic gas and others |
Applications
The probe measures and controls the carbon potential in controlled atmospheres, whatever the furnace design.
Enquiry
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Measures and controls the flow of standard and aggressive liquids and gases at pressures up to 6 bar, and its calibration can be certified in place.

Measures and controls the mass flow rate of gases and liquids in industrial and commercial applications where accuracy is critical.

Displays current and totalised gas flow and retrofits easily into existing flow measuring equipment and control systems.