MPXM2102AS datasheet(443/670 Pages) MOTOROLA

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Motorola Sensor Device Data

www.motorola.com/semiconductors

AN1513

Mounting Techniquesand Plumbing Optionsof

Motorola's MPX Series Pressure Sensors

Prepared by: Brian Pickard

Sensor Products Division

Semiconductor Products Sector

INTRODUCTION

Motorola offers a wide variety of ported, pressure sensing

devices which incorporate a hose barb and mounting tabs.

They were designed to give the widest range of design

flexibility. The hose barbs are 1/8

″ (≈3 mm) diameter and the

tabs have #6 mounting holes. These sizes are very common

and should make installation relatively simple. More

importantly, and often overlooked, are the techniques used in

mounting and adapting the ported pressure sensors. This

application note provides some recommendations on types of

fasteners for mounting, how to use them with Motorola

sensors, and identifies some suppliers. This document also

recommends a variety of hoses, hose clamps, and their

respective suppliers.

This information applies to all Motorola MPX pressure

sensors with ported packages, which includes the packages

shown in Figure 1.

Single Side Port

Differential Port

Axial Port

Stovepipe Port

Figure 1. MPX Pressure Sensors with

Ported Packages

A review of recommended mounting hardware, mounting

torque, hose applications, and hose clamps is also provided

for reference.

MOUNTING HARDWARE

Mounting hardware is an integral part of package design.

Different applications will call for different types of hardware.

When choosing mounting hardware, there are three important

factors:

• permanent versus removable

• application

• cost

The purpose of mounting hardware is not only to secure the

sensor in place, but also to remove the stresses from the

sensor leads. In addition, these stresses can be high if the

hose is not properly secured to the sensor port. Screws, rivets,

push–pins, and clips are a few types of hardware that can be

used. Refer to Figure 2.

Push–Pin

Rivet

Screw

Figure 2. Mounting Hardware

MOTOROLA

SEMICONDUCTOR APPLICATION NOTE

REV 1

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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