Onicon F-3100 Series Bedienungsanleitung PDF herunterladen (Seite 7)

11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax (727) 442-5699 • [email protected]

F-3100 Flow Meter Manual 06/14 - 0670-7 Page 7

SECTION 1.0: INTRODUCTION

1.1 PURPOSE OF THIS GUIDE

The purpose of this guide is to provide installation and commissioning procedures and basic

operating instructions for the F-3100 Inline Electromagnetic Flow Meter.

1.2 PRINCIPLE OF OPERATION

The operating principles of ONICON F-3100 Inline Electromagnetic Flow Meters are based

on Faraday’s Law of Electromagnetic Induction. Faraday’s Law states that a voltage will be

induced in a conductor (water or other conductive liquid) when it passes through a magnetic eld

(generated by the meter), and the induced voltage will be directly proportional to the velocity of

the conductor. By placing electrodes on opposite sides of the ow tube, it is possible to accurately

measure the induced voltage and determine the corresponding velocity of the owing liquid.

1.3 TYPICAL FLOW METER INSTALLATION

ONICON’S F-3100 Series Inline Magnetic Flow Meters are suitable for volumetric ow

measurement of electrically conductive liquids in a wide variety of applications including

bi-directional applications.

WARNING

Only qualied service personnel should attempt to install or service this product. Serious injury

may result from the improper installation or use of this product.

Flow direction

INSTALLATION IN STEEL (CONDUCTIVE) PIPE

F-3000 Series Mating Flange Grounding Kit Instructions

Note 1.

Using a #21 (0.159”) drill bit, drill a ½” deep hole in edge of each mating flange. Tap each hole using a 10-32 tap.

Secure the provided ring connectors and grounding wires to the flanges using the provided green grounding screws.

(Alternate method: Weld 10-32 studs (not provided) to the flange faces and attach ring connectors with 10-32 nuts (not provided.)

Note 2.

Provide a ground connection at the input power terminals inside the transmitter enclosure.

Note 3.

Provide a quality earth ground connection to the meter.

From best to worst, grounding options include:

1. Earth grounding rod driven into the soil.

2. Earth wire connected directly to the building electrical service panel.

3. Earth wire connection inside an electrical outlet near the meter.

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Onicon F-3100 Series Bedienungsanleitung Seite 7