eFlo 2.0 Electronic Flow Meter
eFlo 2.0 is SSi’s newest electronic flow measurement instrument. Like our previous eFlo models, the 2.0 offers simple compatibility with existing controls, making tracking and monitoring gas flows easier than ever. Designed for use in the harshest industrial environments, eFlo allows for easy replacement of manual flow meters and seamlessly integrates into existing control systems.
NOTE: eFlo 2.0 replaces eFlo 1.5. However, SSi continues to provide service and parts for eFlo 1.5. Documentation is available here.
Features and Benefits
| Integrated communication via Modbus over RS485 (RTU) and Ethernet (TCP) |
| Pressure and temperature compensation for precise flow calculation |
| Flow Meter View software and mobile interface for configuration |
| Available with electronic valve, with or without control |
| Analog control and feedback for data acquisition |
| Direct and remote setpoint control |
| Built-in high/low flow alarms |
| Flow Totalizing |
| Compact footprint |
| Onboard datalogging |
| NIST-traceable calibration |
| Precision flow mesaurment |
| USB configuration tools |
| Mobile-friendly and web-based remote configuration |
| Flow calibration can be certified in use for CQI-9 requirements |
| Digital display: easy-to-use touch pad and optional touchscreen |
| SCADA integration: Current Flow, Totalized Flow, Setpoint, Cost Calculation |
| 1 1/4" NPT |
Supported Gases
| Acetylene | Helium |
| Air | Hydrogen |
| Ammonia | Hydrogen Chloride |
| Argon | Hydrogen Sulfide |
| Butane | Methane |
| Carbon Dioxide | Natural Gas |
| Carbon Monoxide | Neon |
| Chlorine | Nitrogen |
| Dissociated Ammonia | Nitrous Oxide |
| Endothermic Gas (C3H8) | Oxygen |
| Endothermic Gas (CH4) | Propane |
| Ethane | Sulfur Dioxide |
| Ethylene | Other (Contact SSi) |
| Exothermic Gas |
| Power Required: | 24VDC @ 400mA |
| Accuracy: | ±4% |
| Turndown Ratio: | 6:1 |
| Gas Temp. Limits: | 32°F to 150°F (0°C to 65.6°C) |
| Ambient Temp. Limits: | 32°F to 150°F (0°C to 65.6°C) |
| Flow Output Signal (Linear): | 4-20mA |
| Max. Output Signal Load: | 500 Ω |
| Input Control Signal (Linear): | 4-20mA |
| Response Time: | 1 - 10 seconds |
| Communications: | RS485, Ethernet, USB |
| Communications Protocol: | Modbus RTU, Modbus TCP |
| Flow Meter Pressure Limits: | 5 psig max. |
| Pipe Fitting | 1 1/4" NPT |
(Q26) What do the alarm codes mean on my eFlo?
| Alarm Code | Possible Causes | Possible Corrective Actions |
|---|---|---|
| LoPr - Low Pressure | Activated when low pressure has been indicated based on either factory or user specified values *factory values are not editable and cannot be deactivated; call SSI with any questions |
|
| hiPr- High Pressure | Activated when high pressure has been indicated based on either factory or user specified values If indicated pressure is above the range of the sensor, the meter WILL NOT show accurate values *factory values are not editable and cannot be deactivated; call SSI with any questions | Decrease regulator pressure below the usable range of the sensors *make sure not to exceed pressure limits for the sensors indicated on page 6 |
| LofL- Low Flow | Activated when low flow has been indicated based on user specified values |
|
| hiFL - High Flow | Activated when high flow has been indicated based on user specified values |
|