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 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 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	Polycarbonate; 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 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: www.endress.com