LDG

The LDG electromagnetic flowmeter combines Faraday’s law precision with rugged industrial design. Measure virtually any conductive liquid — from ultrapure water to corrosive chemicals — with ±0.5% accuracy and zero moving parts, ensuring maintenance-free operation for years.

Engineered for reliability in the toughest industrial environments, the LDG-SUP electromagnetic flowmeter series provides accurate, drift-free flow measurement for conductive liquids and liquid-solid two-phase flows. With 6 lining material options (Neoprene, Polyurethane, PTFE, FEP, PFA), 6 electrode materials (316L, Hastelloy B/C, Titanium, Tantalum, Platinum), and communication protocols including RS485 Modbus-RTU and HART 6.0, the LDG-SUP integrates seamlessly into PLC, DCS, and SCADA systems. Backed by ±0.5% reference accuracy (flow velocity >1 m/s), IP68 submersible sensor rating, and a comprehensive warranty program.

The LDG-SUP delivers Endress+Hauser-grade measurement performance at a competitive price point — making precision electromagnetic flow measurement accessible for mid-scale industrial operations worldwide.

High-Accuracy Measurement —— ±0.5% Measurement Accuracy (Flow Velocity >1 m/s)

Achieve precise process control and reduced material waste with industry-leading ±0.5% accuracy. Repeatability of 0.16% ensures consistent batch quality across production cycles.

Wide Diameter Range —— Available in DN15 to DN1200 (1/2″ to 48″) Nominal Diameters

One standardized platform covers your entire facility — from small dosing lines (DN15) to main distribution headers (DN1200). Simplify procurement, maintenance, and spare parts management.

IP68 Submersible Sensor —— IP68-Rated Sensor for Buried (Up to 5m) and Submerged (Up to 3m) Installation

Install confidently in flooded pits, underground vaults, and outdoor exposed locations. IP65 converter housing provides additional environmental protection for electronics.

Dual Power Supply —— 85-245VAC (50/60Hz) and 22-26VDC Power Options

Flexible installation without additional power infrastructure. AC for plant installations, DC for remote/solar-powered sites and mobile equipment.

Empty Pipe Detection —— Built-in Empty Pipe Detection with Configurable Alarm Thresholds

Protect your pump systems from dry-running damage. Automatic alarm triggers when the pipe runs empty, preventing measurement errors and equipment failure.

Bi-Directional Flow —— Bi-Directional Flow Measurement with Separate Forward/Reverse Totalizers

Monitor both supply and return lines with a single instrument. Built-in net flow accumulation simplifies energy balance calculations and leak detection.

Low-Flow Precision —— Flow Cutoff Adjustable (0-10%) with Non-Linear Correction for Low Velocities

Accurate measurement even at trickle flows and during plant startup/shutdown. 4-segment non-linear correction ensures linearity below 0.5 m/s.

Pulse & Frequency Output —— Configurable Pulse Output (0.001L-1m³/Pulse) and Frequency Output (0-5000Hz)

Direct interface with batching controllers, totalizing counters, and PLC high-speed counters. No intermediate signal converters required.

Water Treatment & Municipal Water 

Reliably measures drinking water, wastewater, and reclaimed water flows in municipal treatment plants, pumping stations, and distribution networks — even with aggressive or slightly contaminated media.

Chemical & Petrochemical

Hastelloy, titanium, or tantalum electrodes paired with PFA or PTFE liners withstand acids, alkalis, solvents, and oxidizing media encountered in chemical reactors, pipelines, and dosing systems.

Food & Beverage (F&B)

Smooth, crevice-free PTFE or PFA liners and Pt-Ir electrodes meet hygienic requirements for beer, juice, dairy, and beverage processing lines where CIP compatibility is essential.

HVAC & Building Systems

Integrates directly into chilled water, hot water, and glycol loops via MODBUS for BMS connectivity, delivering accurate energy metering and optimised building performance.

 Pulp, Paper & Textile

Measures slurry, pulp, and dye flows with high solid content; the PTFE or rubber liner resists abrasion while the robust electrode design ensures low maintenance over extended production runs.

 Agriculture & Irrigation

Monitors irrigation water volumetric flow and cumulative totals in smart agricultural systems, supporting precision irrigation scheduling and water resource management.

Power Generation

Measures cooling water, condensate, and demineralised water flows in thermal and nuclear power plants, with IP68 capability for underground or submerged pipeline installations.

 Marine & Offshore

316L or Hastelloy C electrodes and IP68 protection make the SUP-LDG suitable for seawater, ballast water, and desalination plant measurements in marine and offshore environmen

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