Intrusion Motion Sensors Tutorial

By: Brian Rhodes, Published on Oct 04, 2016

Motion sensors are one of the most common, and most useful alarm sensors, but they also often cause problems. Many motion sensors types exist and their suitability vary across applications. As such, knowing the differences in types and what impacts performance is key.

In this note, we examine:

  • 5 main sensor technology types including PIR, Multi-Tech, Photoelectric, Laser and Tomographic
  • 3 major factors that impact detection areas - detector type, interference tolerance and environmental impacts
  • 4 typical areas where motion detectors are used (offices, warehouses / large indoor areas, residential and perimeters), and which types are best

We address sensor limitations, prices, and more inside.

Sensor **** *****

****** ****** ******* *** use *** ** ******* methods ** ********* ********. ** ***** terms, *** ****** ** operations ****** ***** *****:

  • ***:******* ***************, *** **** ****** type ** ****** ******, monitor ******* ** *** level ** ******** ****** ** *** local ****. *** ****** is ********* ** **** slight ************ ******* ***** typically ******** ** ****** moving ******* * ********* area. **** **** **** less **** $**.
  • *****-**** (*******/ *********): ** **** *****, sensors **** **** *** detection ****** *** ***** to ********* *****. ** combat ****, **** ****** sensors ****** ******** ********* including ***** ********* ** doppler ******* **** **** also ****** ******** ** order ** ** ********** triggered ** ** ***** system. ********* ** ******* sensors **** *** ********* energy ** ***** ***** to *******, *** *** prone ** ***** ******** on ***** ***; *** coupled **** *** ** even ** **** ******* improves ********* *********** ** that ****** ****** *****. Most *****-**** ******* **** less **** $***, ***** residential ***** ******* **** than $**.
  • *************: **** ****** '****** Infrared' *******, ** ******* differ **** **** ** the **** **** ***** when *** **** **** emit ** ***********. ** sensors ******* ******** ******* and ********/********* *****, *** they ******* ******* ******* in *** ****** ** light ****** ******** ****** what ** *******. *********, PE ***** ***** ** price **** $* (***** indoor) ** $***+ (**** range *******) *** ****.
  • *****: *********** * ****-******* variation ** ************* *******, infrared ***** ******* **** and ******* ******* ****** of ******, **** ** terms ** ***** *** distance. ***** ****** ***** can ** ****** ***** for ******* ********* *****.  These ******* *** *********, usually $*** - $**** for * ****** ****. 
  • ***********: **** **** ** sensor **** ********* ********* over * ***** **** to ******* ********. ***** sensors **** *** ***** benefit ** ********* ******* non-organic ***** ******* **** walls, *****, ** ******* and*** **** ***** **** providers **** ******.  ***** ***** ******* must ** ********* ** a *******, **** ***** mesh ******** ******* **** $300 - $**** *** room.

Detection ******** ****

*** **** ******** *** any ***** *********** ******* on * ****** ** factors **** ********* *** effective **** *******. *** shape *** ******** ** the ********* **** **** between *******, *** *** often ******** ** **** sheet ******** **** ****:

** *******, *** ********* area ******* *******:

******** ****: **** ************ ****** a **** ****, ***** others **** ****** ** a ****** ****. *** ******* a '*****' *** *** detect * ***** ** feet *** *** **** less **** $**, ******** to ** ** ***** unit **** *** ****** 3X ** ** **** distance, *** ** * narrow ******* *** ** 100X *** *****. ****, in **** *****, *** precision, ***********, *** ************* of *** ****** ****** is * *** **** driver. ** *******, ***** detectors ***** ** ***** alarms *** ***********, *** those ******* **** ************ detection *****, ******** ********* technologies, ** ******** ****** types **** ***** ** tomographic *** *** **** expensive.

************ *********:*** **** ***** ** sensors, ****** ******* ** light ** **** *** impact ****** ***********. *** example, **** *** ** ************* ******** by ****** **** ***** or **** *******. *******, common *********** **** ******* trash *** ***** ****** alarms. ** ***** ****, more ****** *** **** expensive ******* *** ** required.

************* *******:**** **** **** *** difference ******* '******' ** 'outdoor' ***** ** *** the ********* *********** *** impact ***********. ********* **** humidity, ********** ********, ***********, and ************* *** ****** detection ********. *** *******, while * ** **** detector *** ** ******** for * **** *********** range, * ****-**** ***** unit *** **** ********* range ********* ** *** weather.

**** ***** ********* ** mind, ******** ******** ***** can ** ******* ** typical *********** ****. ** examine *** **** ****** ones *****.

Choosing *** ***** ******

** *** ******** *****, sensor ********* ***** ** cost, ***********, *** *********** for ****** *** ***** are ********* ** ******:

********** ******* ** *****/****** Rooms

*** ******* ****** ** cubicle *****, **** *** often *** **** ****** based ** *** ***** ($10-$50 ****), *** ******* their ******** ************* ** focusing ****** *****, ** indoor ****** ***** ********* does *** ******* **. Indeed, ***** ****** ******** that ***** ******* *** PIRs ******** **** ******* trash, *** *******, ** animals *** **** ********* not ******** ** *************** controlled *** ********* ******.

***** *** ******* ** security, *** ******* **** are **** *** ******** control ******** ** '********* sensors' **** ******* ****** on ** *** ********* on ****** ** *** room.  ** **** *****, the ******** ** ***** PIRs ** *** **** room *** ***** ***** triggering ** *****-***** **** ********* ****, and ****** ***** ******* during ********* *************** *** be *********.

********** ** ***** ****** Areas

**** *********** **** * key **** ** ***** sensor **** ** **** for ***** *****. ** the **** ** ******** over * ***** ****, then * *** ** even ******** *** **** are ***** ******. *******, the ******** ******* ** using **** ******* *** often ** ******* ** selecting ******* **** **** detect ******** ** ********** points, **** ******** ***** or *******. *** *******, the ******* ********* ***** below:

*** **** ****** *** range **** *****-********** ***** to ****** **** ****** or ************** ***** *** detection **** ********.

**********, *****, ** ******

*** *********** ************, '*** immunity' ***** ******* ***. Unlike ********** ****** ***** small ******* ******* *** not ******, ****** ****** they ***. '*** ******' sensor ********** ******* *** tuned ** *** ******* alarms ** ******** ***** a ******* **** ** detected (**: ** ******), or ****** *' - 5' ** *** *****, where ******* ********* ****.

******* *** ********* ***** is ***** '****** ****' to ***** ***** ******** on ****, **** *** not ** *** '**** security' ****** *** ********** environments ***** *** ********** detection ***** ** *********** could ** * *******.

******** **********

**** ***** ****** ******, outdoor **** ********* ***** are ********** ** **** assessment. ***** *** ******* need ** ****** ********** at ********* ******** **** gates ** ******** ******, ****** **** ***-******* devices *** ****. ******* of ***** ***********, **** may *** ** ** effective ** *************, *****, or ***********/***** *********.

******* ** *** **** variation ** ************ *** distances ** *****, **** situations *** **** ** make *** ** ***** detection ******* **********, ********** ***** *****,***** ****, ********* ******* *** *********

Video ***********

** **** *****, ****** sensors *** ** ****** to ***** ************ ******* too.  ****** ******* **** are ********* *** ****** inputs ***** **** ***** cameras **** ********* ** triggering ********* **** ****** detection *****, ********** ** very **** ******.

******, **** ******* *** equipped **** ********** ****** detectors ** *** ****** housing, ** **** ********** LEDs ** **** ******** illuminators *** ********* ** movement ** ****** ** 'hard ** ***' **** image ******* ***** ***** miss ****:

** ***** ************, ****** sensors *** ** ******** over * ***** ****, and **** *** ********** sensor ** *********, *** nearest *** ****** ** 'targeted' ** **** ********. Such ************ *** ***** substantial *** **** ***** at *** *** ** monitoring ****** ****** **** to *** ****** ******, but *** ******** *** be **** ********* ** covering ***** ******* ********** using *** ****** ****** of ********* **** ** supplanting **** **** ****** sensors **** **** *** or *** ****.

** ******* *** ******* in ****** **** ******** **** + ******* Guide

 

Comments (10)

What are some of the more reliable photoelectric sensors out there? I can only find a Honeywell one that could be used for skylights.

Optex make the most reliable and performant photoelectric sensors that I have been exposed to

In addition to Optex, Takex is another option for commercial detection.

high-tech laser unit may have detection range shortened in hot weather.

Hi Brian,

I think this should read Passive Infrared not laser. The laser is not effected by heat, wind or light. The laser also generates x/y coordinates that tell you the exact location of an event. This reduces the expense by lowering costs.

Outdoor detection, SpotterRF is the BEST way to go. That tech is amazing.

Brian

I am glad I saw your comment re SpotterRF.

Looks like a great product from what I have seen.

Anyone have any links or information on covert motion detectors? i.e, ones that are outdoor rated, have black or dark fresnel lens and are generally designed to be hidden?

I have used Optex PE beam outdoor units in the past, similar to these:

Is that what you mean, or something different?

Thanks Brian,

Is an option, but all my work is in the rural / wilderness area including forestry.

Will do some research on these and see if they are a fit.

Most of my solutions I use are modified for a purpose.

Read this IPVM report for free.

This article is part of IPVM's 6,535 reports, 880 tests and is only available to members. To get a one-time preview of our work, enter your work email to access the full article.

Already a member? Login here | Join now

Related Reports

Door Fundamentals For Access Control Guide on Aug 24, 2020
Doors vary greatly in how difficult and costly it is to add electronic access...
FLIR Markets Windows Temperature Screening, Violates IEC And Causes Performance Problems on Jul 17, 2020
FLIR, one of the largest thermal screening manufacturers, is marketing...
Optris "Fever Screening Systems" Examined on Jun 01, 2020
German manufacturer Optris has been building temperature measuring...
Remote Network Access for Video Surveillance Guide on Jul 27, 2020
Remotely accessing surveillance systems is key in 2020, with more and more...
Directory of 206 "Fever" Camera Suppliers on Aug 04, 2020
This directory provides a list of "Fever" scanning thermal camera providers...
Exit Devices For Access Control Tutorial on Aug 25, 2020
Exit Devices, also called 'Panic Bars' or 'Crash Bars' are required by safety...
Free Online NFPA, IBC, and ADA Codes and Standards 2020 on Sep 03, 2020
Finding applicable codes for security work can be a costly task, with printed...
Temperature Screening Is Ineffective, Says US, UK, Canada, Israel, And Ireland Health Leaders on Aug 25, 2020
Health leaders around the world are increasingly speaking out about the...
Dahua, Hikvision, ZKTeco Face Mask Detection Shootout on Jun 19, 2020
Temperature tablets with face mask detection are one of the hottest trends in...
FLIR A Series Temperature Screening Cameras Tested on Jun 04, 2020
FLIR is one of the biggest names in thermal and one of the most conservative....
Dahua Smart Motion Detection Camera Tested on Mar 03, 2020
Dahua has introduced Smart Motion Detection, AI-based VMD, claiming to use an...
Mobotix Thermal Detection Camera Tested on Jun 09, 2020
For years Mobotix has struggled but now sales are surging driven by Mobotix's...
Optex Presents Outdoor Battery Powered Multitech Motion Sensors on May 07, 2020
Optex presented two outdoor rated, battery-powered motion sensors, the QX and...
Injes Tiny Temperature Terminal Tested on Jul 17, 2020
While temperature terminals have trended bigger, the Injes DFace801 is...
Hazardous & Explosion Proof Access Control Tutorial on Feb 27, 2020
Controlling access to hazardous environments requires equipment meeting...

Recent Reports

OnTech Smart Services Partners With Google and Amazon To Compete With Integrators on Sep 25, 2020
A pain point for many homeowners to use consumer security and surveillance is...
The Future of Metalens For Video Surveillance Cameras - MIT / UMass / Immervision on Sep 25, 2020
Panoramic cameras using 'fisheye' lens have become commonplace in video...
Hikvision Sues Over Brazilian Airport Loss on Sep 24, 2020
Hikvision was excluded from a Brazilian airport project because it is owned...
China General Chamber of Commerce Calls Out US Politics on Sep 24, 2020
While US-China relations at an all-time low, optimism about relations...
Verkada Disruptive Embedded Live Help on Sep 24, 2020
Call up your integrator? Have someone come by the next day? Verkada is...
IP Networking Course Fall 2020 - Last Chance - Register Now on Sep 23, 2020
Today is the last chance to register for the only IP networking course...
Drain Wire For Access Control Reader Tutorial on Sep 23, 2020
An easy-to-miss cabling specification plays a key role in access control, yet...
Norway Council of Ethics Finds Hikvision Human Rights Abuses "Ongoing" on Sep 23, 2020
Hikvision's involvement in "serious human rights abuse" in Xinjiang is...
IPVM Camera Calculator User Manual / Guide on Sep 23, 2020
Learn how to use the IPVM Camera Calculator (updated for Version 3.1). The...
Installation Course Fall 2020 - Save $50 - Last Chance on Sep 22, 2020
This is a unique installation course in a market where little practical...
SimpliSafe Business Security Launched Examined on Sep 22, 2020
SimpliSafe has launched "SimpliSafe Business Security" that the company...
FLIR CEO: Many New Fever Entrants "Making Claims That The Science Just Won't Support" on Sep 22, 2020
FLIR's CEO joins a growing number calling out risks with fever / screening...
China Bems Temperature Measurement Terminal Tested on Sep 22, 2020
Guangzhou Bems (brand Benshi) is the manufacturer behind temperature...
Axis Exports To China Police Criticized By Amnesty International on Sep 21, 2020
Axis Communications and other EU surveillance providers are under fire from...
Milestone XProtect on AWS Tested on Sep 21, 2020
Milestone finally launched multiple cloud solutions in 2020, taking a...