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Promag L 400 EH Electromagnetic Flow Meter

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 flow meter 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 web server
  • 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 rubber

Electrodes: 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, coated

DN 350 to 2400 (14 to 90″): Carbon steel with protective varnish

Sensor connection housing: AlSi10Mg, coated

Transmitter housing material Polycarbonat; AlSi10Mg, coated
Degree of protection Compact version: IP66/67, type 4X enclosure

Sensor remote version (standard): IP66/67, type 4X enclosure

Sensor remote version (option): IP68, type 6P enclosure

Transmitter 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 ouputs:

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

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