Flow Transmitters (AEM02)

In Instrumentation

Details

Learn about the inspection and repair of electronic flowmeters by demonstrating maintenance procedures for vortex shedding, turbine, magnetic, and mass electronic flowmeters.

Prerequisites

This lesson is designed for participants familiar with electronic test procedures. An understanding of process operation is also required.

Description

This lesson introduces the inspection and repair of electronic flowmeters by demonstrating maintenance procedures for vortex shedding, turbine, magnetic, and mass electronic flowmeters. The lesson describes typical flow transmitter components, their functions, common malfunctions, and procedures for isolating a faulty component.

Objectives

Test and replace the amplifier unit, sensor, and bluff body of a vortex shedding flowmeter. Test and replace. The preamplifier unit, coil and other necessary components of a turbine flowmeter. Test and replace the coil, electrodes, and circuit board in a magnetic flowmeter. Jumper the appropriate terminals to simulate zero output and check the flowmeter output in an installed mass flowmeter. Test and replace the sensor and circuit boards in an installed mass flowmeter.

Contents

This lesson introduces the inspection and repair of electronic
flowmeters by demonstrating maintenance procedures for vortex shedding,
turbine, magnetic, and mass electronic flowmeters. The lesson describes
typical flow transmitter components, their functions, common
malfunctions, and procedures for isolating a faulty component.

  • Flow Transmitters

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