The versatile, weight-optimized Promag Electromagnetic Flow Meter L 400 is the preferred choice for all standard applications in the water and wastewater industry. Due to its unique lap-joint flange concept, the flowmeter guarantees flexible, easy and economical installation.
Promag Electromagnetic Flow Meter L 400 saves time and costs thanks to the broad functionality of its water- and wastewater-optimized transmitter. In addition, Heartbeat Technology ensures compliance and process safety at all times.
Benefit
- Reduced installation costs – flexible mounting by one-of-a-kind lap-joint flange concept (DN < 350/14″)
- Energy-saving flow measurement – no pressure loss due to cross-section constriction
- Maintenance-free – no moving parts
- Safe operation – no need to open the device due to display with touch control, background lighting
- Time-saving local operation without additional software and hardware – integrated webserver
- Integrated verification – Heartbeat Technology
Features and specifications of Promag Electromagnetic Flow Meter L 400 EH
| Measuring Principle | Electromagnetic |
| Product headline | Weight‐optimized sensor with a state‐of‐the‐art transmitter for Water & Wastewater. Fully suitable for standard applications in the water and wastewater industry. |
| Sensor features | Reduced installation costs – flexible mounting by one-of-a-kind lap-joint flange concept (DN < 350/14″). Energy-saving flow measurement – no pressure loss due to cross-section constriction. Maintenance-free – no moving parts. Up to 30 % less sensor weight. Nominal diameter: DN 25 to 2400 (1 to 90″). |
| Transmitter features | Safe operation – no need to open the device due to display with touch control, background lighting. Time-saving local operation without additional software and hardware – integrated web server. Integrated verification – Heartbeat Technology. Transmitter housing made of durable polycarbonate or aluminium. WLAN access. |
| Nominal diameter range | Lap joint flange, lap joint flange, stamped plate: DN 25 to 300 (1 to 12″)Fixed flange: DN 350 to 2400 (14 to 90″) |
| Wetted materials | Liner: PTFE; Polyurethane; Hard rubberElectrodes: 1.4435 (316L); Alloy C22, 2.4602 (UNS N06022) |
| Measured variables | Volume flow, conductivity, mass flow |
| Max. measured error | Volume flow (standard): ±0.5 % o.r. ± 1 mm/s (0.04 in/s)Volume flow (option): ±0.2 % o.r. ± 2 mm/s (0.08 in/s) |
| Measuring range | 9 dm³/min to 162 000 m³/h (2.5 gal/min to 1030 Mgal/d) |
| Max. process pressure | PN 16, Class 150 |
| Medium temperature range | Liner material hard rubber: 0 to +80 °C (+32 to +176 °F)Liner material polyurethane: –20 to +50 °C (–4 to +122 °F)Liner material PTFE: –20 to +90 °C (–4 to +194 °F) |
| Ambient temperature range | Flange material carbon steel: –10 to +60 °C (+14 to +140 °F)Flange material stainless steel: –40 to +60 °C (–40 to +140 °F) |
| Sensor housing material | DN 25 to 300 (1 to 12″): AlSi10Mg, coatedDN 350 to 2400 (14 to 90″): Carbon steel with protective varnishSensor connection housing: AlSi10Mg, coated |
| Transmitter housing material | Polycarbonate; AlSi10Mg, coated |
| Degree of protection | Compact version: IP66/67, type 4X enclosureSensor remote version (standard): IP66/67, type 4X enclosureSensor remote version (option): IP68, type 6P enclosureTransmitter remote version: IP66/67, Type 4X enclosure |
| Display/Operation | 4‐line backlit display with touch control (operation from outside)Configuration via local display, web browser and operating tools possible |
| Outputs | 3 outputs:0‐20 mA/4‐20 mA HART (active)Pulse/frequency/switch output (passive)Pulse/frequency output (passive)Switch output (passive) |
| Inputs | Status input |
| Digital communication | HART, PROFIBUS DP, EtherNet/IP, Modbus RS485 |
| Power supply | AC 100 to 240 V / AC/DC 24 V |
| Hazardous area approvals | cCSAus |
| Metrological approvals and certificates | Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025), NAMUR |
| Hygienic approvals and certificates | Drinking water approval: ACS, KTW/W270, NSF 61, WRAS BS 6920 |
Reference
https://www.endress.com/en/Field-instruments-overview/Flow-measurement-product-overview/Product-Electromagnetic-flowmeter-Proline-Promag-L-400