EE771
Available on backorder
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The EE771, available from Instromart, It is specifically designed for use in pipelines with diameters ranging from DN15 to DN50 and features a modular design that ensures quick and simple installation without the need for additional tools.
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EE771 - Thermal Flow Meter
The EE771 flow meter from E+E Elektronik is a thermal mass flow meter engineered for precise measurement of compressed air and non-corrosive gases in industrial applications. It is specifically designed for use in pipelines with diameters ranging from DN15 to DN50 and features a modular design that ensures quick and simple installation without the need for additional tools.
Specifications
| Measurement Principle | Thermal Mass Flow |
| Flow Range (DN15–DN50) | 0.5 – 200 Nm³/h (varies with pipe size). |
| Accuracy | ±(1.5% of measured value + 0.3% of full scale). |
| Repeatability | ±0.5% of measured value. |
| Response Time (τ90) | 1 second. |
| Operating Temperature | -20 to +70 °C (-4 to 158 °F) |
| Operating Pressure | Standard 0–16 bar; Optional: up to 40 bar. |
| Outputs | 2 × 4–20 mA analogue, pulse, RS485 (Modbus RTU). |
| Supply Voltage | 18–30 V DC |
| Power Consumption | Typical 100 mA |
| Electrical Connection | M12 connector, 5-pin or 8-pin. |
| Protection Class | IP65 / NEMA 4 |
| Wetted Material | Stainless Steel (AISI 316L), sealing FKM (option: EPDM). |
| Pipe Connection | ISO 228 G-thread |
Main Features
- Thermal Mass Flow Measurement Principle for direct measurement of mass flow without the need for pressure or temperature compensation.
- Robust stainless steel enclosure with IP65 / NEMA 4 protection for harsh industrial environments.
- Modular mechanical design allowing easy installation and removal under pressure via isolation sections.
- Wide operating pressure range up to 16 bar (232 psi); optional up to 40 bar (580 psi).
- High accuracy of up to ±1.5% of reading ±0.3% of full scale.
- Multi-gas capability, configurable for compressed air, nitrogen (N₂), oxygen (O₂), CO₂, argon (Ar).
- Multiple output options, including analog, pulse, and Modbus RTU (RS485).
- Flow Measurement: Provides mass flow readings in Nm³/h, Nm³/min, kg/h, or kg/min.
- Data Logging: Continuous monitoring and data output via Modbus or analog interfaces.
- Media Configuration: Supports different gases selectable via software.
- Quick Maintenance: Can be removed for maintenance or calibration without process interruption (with shut-off valve options).
- Pressure and Temperature Compensation: Integrated for improved accuracy.
Industrial Applications
- Compressed Air Systems: Monitoring and optimization of compressed air consumption.
- Leak Detection: Identifying and quantifying air or gas leaks in pneumatic systems.
- Process Control: Accurate gas flow monitoring in industrial automation systems.
- Gas Distribution Systems: Measuring and regulating the supply of process gases.
- OEM Equipment Integration: Customizable outputs make it suitable for integration into complex machinery.
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