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Nor Mag

Product catalog summary

Overview: The Hoffer Nor-Mag Series electromagnetic flow meters are designed for industrial applications, specifically for measuring flow rates of electrically-conductive liquids in various systems including water, heat-supply, food-processing, and chemical applications. These meters are known for high measurement accuracy and long-term stability, capable of measuring flow in both directions without causing pressure loss or hydraulic anomalies.

Specifications:

Line Sizes: 1/2” to 12” (up to 48” available).
Nominal Pressure: ANSI 150#, 300#, 600# (size dependent).
Minimum Conductivity: 20µS/cm, down to 5µS/cm upon agreement.
Electrode Material: Stainless steel, Hastelloy-C4, platinum, tantalum.
Ambient Temperature: 23°F to 131°F (-5°C to 55°C).
Sensor Lining: Soft or hard rubber, Teflon.
Max. Liquid Temperature: Up to 311°F (155°C), depending on sensor lining.
Measurement Accuracy: ±0.2% for 10 to 100%, ±0.5% for 5 to 100%.
Measuring Range: 0.1 to 10 m/s.
Displayed Units: Gallons, Liters, Cubic Meters.
Outputs: Current (0) 4 to 20mA, Frequency 0 to 1,000 Hz, Pulse 0.001 to 1,000 liters per pulse.
Communication: USB, RS 485.
Power Supply: 24/115/230V ±10%, 50 to 60 Hz (AC), 24V±10% (DC).
Protection Class: IP67 (IP68).

Features: The integral electronics unit energizes the sensor, processes signals, and offers functions such as liquid batching control, empty piping detection, internal diagnostics, automatic electrode cleaning, and flow unit selection. The flow meter supports frequency, pulse, and current outputs, with USB and RS 485 communication interfaces.

Quality Assurance: The design, manufacture, and testing of these products are certified to International Standard ISO 9001.

Additional Information: Specifications are subject to change, and users should verify current specifications with the manufacturer. The document includes a detailed table of meter sizes and corresponding flow rates in GPM and LPM.

Catalog excerpts

MAGNETIC FLOW METERS BY MAGNETIC AC/DC POWERED GENERAL INDUSTRIAL METERS Flow Measurement Systems The Hoffer Nor-Mag Series electromagnetic flow meters are designed for industrial applications and measurement of flow rates of water and heat-supply systems and chemical applications. They meet the most demanding requirements of high measurement accuracy and long-term stability. Measurements in both directions of flow are possible. The meter sensor has no moving mechanical parts and its installation in the piping system produces no pressure loss or hydraulic anomalies. The integral electronics unit provides for sensor energizing and processing of the sensor signals, and also offers functions for liquid batching control, detection of empty piping, internal meter status diagnostics, automatic cleaning of electrodes and selection of flow units. The flow meter has frequency, pulse and current outputs, as well as communication lines.

Open the catalog to page 1

NOR-MAG FLOW METER SPECIFICATIONS NORLine Sizes: 1/2” to 12” (Available up to 48”) (DN 15-1200) Nominal Pressure: ANSI 150#, 300#, 600# Max Pressure—Size Dependant Minimum Conductivity of measured Liquid: 20µS/cm, on agreement with the manufacturer down to 5µS/cm Electrode Material: Stainless steel, Hastelloy-C4, platinum, tantalum Ambient Temperature: 23°F to 131°F (-5°C to 55°C) Sensor Lining: Soft or hard rubber, Teflon Design Version: Electronics Meter Mounted or Remote Mounted Piping Connection: Flanges or Wafer Max. Temperature of Measured Liquid: Up to 311°F (155°C), depending on sensor...

Open the catalog to page 2