F-3500 Insertion Electromagnetic Flow Meter

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ONICON's F-3500 Series Insertion Electromagnetic Flow Meters are suitable for measuring electrically conductive liquids in a wide variety of applications. Each F-3500 provides a single analog output for flow rate, a high resolution frequency output to drive peripheral devices, a scalable pulse output for totalization, and an empty pipe alarm. It is available for use in pipes ranging in size from 1¼" to 72" in diameter.

The F-3500 Insertion Electromagnetic Flow Meter features ONICON's unique hot tap design that allows for easy insertion or removal from the pipe without the use of special tools and without disrupting flow. The low maintenance design is provided ready-to-use without the need for field programming.

The FB-3500 Electromagnetic Flow Meter is available for bi-directional flow applications. It provides an analog output for flow rate, a contact closure output to indicate flow direction and separate pulse outputs to totalize forward and reverse flow.

F-3500 Insertion Electromagnetic Flow Meter Typical Applications

The F-3500 is ideal for chilled water, hot water, domestic water, condenser water, water/glycol, and municipal water applications.

Highly Accurate Over a Wide Flow Range

Highly efficient sensor design and continuous auto-zero function improve accuracy and sensitivity, particularly at low flow rates. Each flow meter is individually wet calibrated and accurate to within ± 1.0% of reading.

Simple Installation and Commissioning

Each flow meter is factory programmed and ready for use upon delivery.

Excellent Long Term Reliability

Low maintenance, no-moving-parts flow sensing technology works well in difficult flow measurement applications such as open loop condenser water flow.

Ideal Solution for Retrofits

The innovative hot tap adapter design allows for wet tapping pipes without interrupting flow.


Catalog Sheets

Guide Specifications

CAD Files

F-3500 Insertion Electromagnetic Flow Meter Installation
DWG File

Installation Documentation

Technical Notes


F-3500 Series Insertion Electromagnetic Flow Meter Small Pipe Installation

F-1000 Series and F-3500 Insertion Flow Meter Installation Procedure

F-1000 Series and F-3500 Insertion Flow Meter Removal Procedure