ABB FSM4000-S4 is an AC-excited electromagnetic flowmeter, mainly used for the accurate measurement of the flow rate of liquids, slurries, and sludges with a certain level of electrical conductivity. Below is a detailed introduction to its specifications, application scenarios, and operating principle:

1. Specifications

Pipe Size Range: DN1…DN1000 (1/25...40")

Accuracy: For pipe sizes larger than DN2, accuracy is better than ±0.5%

Fluid Temperature: Standard range is -40℃…130℃ (-40...266℉); optional range up to 180℃ (356℉)

Liner Material: Includes PFA, PTFE, ETFE, hard rubber, so=ft rubber, silicon carbide ceramics, etc.

Power Supply: Supports AC/DC power supply

Communication Protocols: Optional protocols include HART, PROFIBUS PA, FOUNDATION Fieldbus, etc.

2. Application Scenarios

Pulp & Paper Industry: Used to measure the flow rate of various liquids in the pulp and papermaking process, such as pulp slurry and chemical agents.

Food and Beverage Industry: Suitable for measuring the flow rate of conductive liquids in this industry, such as fruit juices, milk, and sauces.

Other Industries: Also applicable in chemical, pharmaceutical, municipal water supply, and sewage treatment industries. It is used to measure various conductive liquids, two-phase liquids, continuous flows, and pulsating flows.

3. Operating Principle

It is based on Faraday’s Law of Electromagnetic Induction. When a conductive fluid flows through the measuring tube perpendicular to the direction of a magnetic field, the induced voltage in the fluid is detected by two electrodes placed opposite each other along the diameter.

The signal voltage (UE) is proportional to the magnetic induction intensity (B), the distance between the electrodes (D), and the average flow velocity (V) of the fluid. Since the magnetic induction intensity (B) and the electrode distance (D) are constants, the signal voltage (UE) has a proportional relationship with the average flow velocity (V). Through the volume flow calculation formula (UE ~ QV), the flow rate of the fluid can be derived—meaning the signal voltage (UE) has a linear proportional relationship with the flow rate.

Main products:

Covering globally renowned brands:

Bently Nevada, Triconex, Woodward, Foxboro, Westinghouse, Reliance, Schneider Modicon, ABB, Allen-Bradley, Motorola, GE Fanuc, Yaskawa, Bosch Rexroth, ACSO, Yokogawa, Rexroth, NI, ICS Triplex, Kollmorgen, Mitsubishi, MOOG, Emerson, B&R, Alstom, EPRO, HIMA, Honeywell, Prosoft, AMAT, Siemens, etc.

Product categories include: DCS system accessories, robot system spare parts, large servo system spare parts, etc., widely used in power, chemical, metallurgy, intelligent manufacturing and other fields.

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