Promag L is the versatile standard sensor designed for the water industry with a lap-joint flange concept for flexible installation independent of the orientation of the pipe flange pitch diameter. Combined with Proline 400, the transmitter for optimized measurement of water and wastewater, Promag L 400 will be the preferred solution for all standard applications in this industry. Promag L 400 also offers an integrated web server. Integrated verification with Heartbeat Technology.

Measurement - Equipment & Instruments

Product features

Measuring Principle Electromagnetic
Product headline The flowmeter with integrated web server and a weight‐optimized sensor.
Sensor features Reduced installation costs – flexible mounting by one‐of‐a‐kind lap-joint flange concept (DN < 350/1
Transmitter features Safe operation – no need to open the device due to display with touch control, background lighting.
Nominal diameter range Lap joint flange, lap joint flange, stamped plate: DN 25 to 300 (1 to 12") Fixed flange: DN 350 to 2
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
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


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