Alarm Motion Detector Tutorial

Author: Ari Erenthal, Published on Mar 06, 2017

Sensors designed to detect movement are a good way to protect large, open areas. In this tutorial, we examine motion detectors, including:

  • Passive infrared (PIR) detection
  • Microwave detection
  • Dual technology detectors
  • Movement profiles
  • Detection patterns
  • Look down protection
  • Pet immunity
  • False alarm prevention - the 9 key factors that increase false alarms
  • Motion detector selection guide - living room, living room with door, kitchen, commercial kitchen, skylight

******* ******** ** ****** ******** *** * **** *** ** protect *****, **** *****. ** **** ********, ** ******* ****** detectors, *********:

  • ******* ******** (***) *********
  • ********* *********
  • **** ********** *********
  • ******** ********
  • ********* ********
  • **** **** **********
  • *** ********
  • ***** ***** ********** - *** * *** ******* **** ******** false ******
  • ****** ******** ********* ***** - ****** ****, ****** **** **** door, *******, ********** *******, ********

[***************]

********

**** ********* ** ***** ******, ********** ****** *** ****** ** protection ** ****** *********. *** *******, ******** ** ********* **** detect ***** ** ******* ******* *** *******. ** ** **** practice, *******, ** **** * ****** ***** ** ********** ** case ** ******** ******** ** ******** ***** ********. **** ****** detectors ********** *** ******** ****** *** ******** ********** *** ********, it ** **** ****** **** ** ******** **** ** **** to **** ***** **********. ******** *** ****** ********* ********** **** other, ****** **** ********* **** *****. ***** **** *** ** the ***** ***** **** * ************ ******* *** ** **** to ****** *** ***** ******.

Passive ******** ********* (***) *********

*** ****** **** ******** ********* ** *** **** ** ****. Motion ********* *** ************* ******, ***** ****** *****, ** ****** **** ****. *** **** ***** ****** ********* use * **** ***** ** ****. ** ** ****** ***** in ***** ** *** **** ** *** ****, *** ****** of ******* ******** ********* **** ********, ******* *** ******* ** one **** ** ***** **** ******** ** *** ***** ****. As *** ****** ********* ** **** ** ***** ** *** other **** ** *** ****, *** ******** ********* ******* **** change *****, ******* *** ****** **** ** ***** ****** **** the *****. ****** ********* *** **** ********** ** **** * signal ** *** ***** *****.

*** ***** **** ******* *** *********** ********* ***** ******* ******** ahead. ****** ********* *** * **** **** ** **** ******* to ***** ***** ********* ***** *******, ******** ***** ********* ***** to ******* **° ** ** **** ** ***°, ********* ** model. ****** ********* *** * ******* ****, ***** ******* ***** much **** *********** **** * ******** **** ** ********** *********. This ****** **** **** ******** ********* ** ***** *** ****.

** ** ********** **** ********* ** ****** **** ** ***** detection ***** ******* ** *** **** ********* *****. **** ****** the ****** ******** ** ****** ******** **** ****** *** ****** the ********* ** ***** ******. *** **** ******, *** **** in ***** ** *** **** *** * ***** ****** ** facet-sections, **** ** ***** ********** ** ** *********** **** ** the ****.

Microwave

***** ******** ********* *** *******, ********* ******* ** *** ****** of ********** ******** *********, ********* ****** ******* *** ******, ******* radio ***** *** ********* *** **** ** ***** ** ****** back. ******* ** *** ****** ** **** *** ***** **** to ****** ** *** ****** *** *********** ** ****** *** cause ** ***** *********.

** ********* ********* ****** **** *******, **** *** **** ****** to ** ******** ** **** **** ************ ** ******* ******* systems. ********* ********* **** **** *********. ********* **** ******* ******* moving ******* ** **** **** *** ********, *** ****** *** lateral ********. ********* ********** **** *****, ***** ***** ***** *** sensor ** ****** ****** *** ****** ******. ********* ****** ********* metal, *** ***** ***** ******* ** ***** ** *** ******** could ****** * **** ****. ************, ********* ***** ****** ********* are ***** * **** ********** ******* ** * **** **********, which ** **** ****** ** ************* ********* *****, *** ********* less ****** ** *****.

Movement ********

** ** ****** ** *** **** ** ***** ******, ************* use ***********-******** ********** ******** (*****) ****** **** ******** ********. ***** microcontrollers *** ** ********* *** *** *** ********* ***** ***** into ********* ******, *** **** ** ***** ***** ****** ******* preprogrammed ********. *** ******* ** *** *************** ** ** *** intelligence ** *** ****** ********, ******** *** ******** ** **** the ********** ******* * ****** ******* ******* ** *** **** and * ***** ******** ******** *** ********* ****. ***** ********** and **** ************* ******** ******** **** ******** *** ****** ** false ******, *** *************** ***** **** *** *** ******* ***** alarms ** ********** ******.

Dual **********

** ********** ****** ** **** ** ******** ***** ******, **** installers ****** ** *** **** ********** ****** *********. **** ********** detectors *** *** ********* ********* ************, ******* ******* ******** *** microwave. *** *** ************ **** **** ** "*****" ****** ******** an ***** *********. ** ******, **** ** * **** *** for *** ********* ** *** ********** ** ********** *** *** weaknesses ** *** *****. *** ************** ** **** "*********" ******* from ************ ** ************, *** ********* **** ******* ** *******.

**** ******** *** ******** ********** ***** "*****" *** *********** **** are ****** **, *** *** ********* ********** **** **** ********** ignore *** ******* ** *** ********* ****. *** *******, * dual ********** ****** ******** ****** * ******* *** **** **** learn ** ****** *** ******** ** *** ***, ** ** only ***** *** ********* *** *** *** ***.

*** ****** ** ******** **** ********** ****** ********* ** **** just ******* *** ****** ******** **** *** ***** ******* **** not ****** *** **** **** *** **** ** ****** ******** for * ****** ********. *** *******, * ******** *** ****** a ***** ***** **** ** * ********* **** ***** *****, due ** *** **** ** *** ********* ** *** ***** reflecting *** *** *****. ********* *** *** ****** ******** **** a **** ********** ****** ******** **** ***** *** ***** ****** to ****. *******, *** *********** ******* *** *** **** ****. An ******** *** ********* ***** ****** *** ***** ** ********* may *** ***** *** ****** ******** ** ** **** * state ** *****, ******* ********* **** **** ****** **** **** closer ** ******* ****, *** ****** **** ***** **** **** to ****. *** ** *** ********** **** *** ****** ******* movement, *** *** ************** *** "*******" ** ****** ******** ** the ******* ** *** ********* **** **** ********* ****** ***** alarms. *** ****** ******** ** ******* *** *** ********* *** the *** ** **** ***** **** ****** *** ********** ********, but **** **** ***** ******, ********* *** **** ****** ***********.

**** ********** ****** *** **** ********** ********* ***********. **** **** dual ********** ****** ********* ****** ** ***, **** ** *** see *** *** ** ***** **** **** ** ********* ***** PIRs ***** *******. *******, **** *** ********* ****** ******* **% and **% ******* **** **** ********** *********. **** ******* ** low *** ***** *************, **** ****** $** *** *** ***** be *** ********** ******* * ********** ***** *** * *****-**** month.

Detection ********

*** ****** ********* ******* *** ******** ******** ****. ********** ****** be **** ** ***** *** ******** ******** **** ** *** specified *********** ** ******* ** ********. ********* ***** ********* ******* a **** ** ****** *** **, *** **** **** ****** a ******* ** *** ********* ***** **** ******** ** ****** common ******* ** ***** ******, *** **** ******** ******* ******** a **** ** ****** *** ***** **** ** *** ********* space. ****** * ******, * ****** ******** ****** ****** ***** out ** ******** *** ******* ****** **** * **** ******* to *** **, **** ** * ****.

*********, ***** * ****** ******** ***** *** * ******** ** 50' (**.** ******) ** * ***** **** ****** **** **** will ******* *********** **** **** ******** *** *****, *** **** prevent **** ********** ********* **** ***** **********, ** ***** *****:

***** * ****** ******** ** ******* ** **** ************* ******* than *** ****** ***** ******** ******** ** ****. *** ************** is ********* ** *** *** ******** ******. ***** ****** *** predicated ** *** ******** ***** * ******** ******** **** *** motion ********. ** ** ****** ** ************* ****** **** *** of *** ******** *** ****** ******** *** ** *** *******, it **** *** ** **** ** ******** **, *** **** motion ********* **** ************* ** **** ** ***** *****. **** can **** ** ************* **** ***** ****** **** ********* ******* such ** ******* ******** ** *** ******* ** *** ******** or ******** ***** ***** ** ******* *******.

****** ********* *** ********* ** ******* ********, **** ** ***** are ******** *** ******** *****. **** ****** ********* *** **********, and *** ******* ******** *****. ****** *** ******* ********* ***** by ******** *** *** ****, ***** ******* *** ********* **** pattern. *** **** *** ***** ** *** ********* **** ** clearly ****** ** *** ******, **** *****, *** ********* **** the *** ********** *** ****** ********. ********** ****** ** **** to ****** * ****** ******** **** * ********* **** **** matches *** **** ** ** ******* ** ******* ** ********.

Look-Down **********

**** ****** ******** ****** ******* ******** ****, **** ****** ***** zone **********. **** ** * ****** **** **** ******* *** pyro ******* *** **** ******* *** ****** ********, ********** ********* from ******* *** ****** ******** ** ******** ** *** *****. Many ****** ********* ***** **** ********** ** ** ******** ** locations **** **** ** ******* *******.

Pet ********

**** ********** ****** ********* ** ***** **** ****, ********** *** want ** *** *** ****** ****** *********. ***** *** *** types ** ****** ********* ******** ** **** ****** ****. *** tolerant ****** ********* *** * **** ************* ************** **** ** extensive ******* ** *** ****** *** ******** ********, ***** *** immune ********* ******* ************* *************** **** **** **********. ********* ********, pet ******** ********* ****** ** ********** *** ******* **** ******** under ** ****** (****), ***** **** ********** ********* *** *********** for **** ***** ****** (****). ******** ****, ********** **** *** other ******** ****, *** **** ***** **** **** ********** ********* impractical. *** **** ***********, *** ****** ****** ****** ******** ********.

********

**** ****** ********* ******* *********** **********. ** **** ** *** self-testing *******, *** ****** ******** **** ************ ******* *** **** to ****** **** *** ****, *****, ******* ******, *** ********** heat ** *** ********* **** *** *** *******. ** *** detector ****** ******* *** ****, ** ********* **** *** **** has **** ******* *** ***** * ******* ******. * ****** tactic ** ************ ******** ***** ** ** ******* *** ***** of * ******** ****** *** ***, ***** ** ** ********. The **** *** **** ***** ** ***** ***** ** ***** a "****-******" ** *** *** **** **. *** *** ** disable *** ***** ** ** ***** ****** *********, ** *** an ******* ** ***** ****, **** **** ** * ***** of *****, ******** *** ********. *********** ********** ****** *** **** to * *******, ** **** *** ***** *** ****** *** cover. **** ***** ******* **********, *** *** **** **** ** trained ** ********** ***** *** ********, *** ****** ** ********** to ******* ********** ** **** **** * ********* *****-**.

Mounting *******

*** ****** *** ******** ******** ** *** **************'* ******* ** predicated ** ** ******** ******** *** ********* **** ** ************* ways. **** ** **** **************** ** *** *** ********* ***** will ****** * ****** ******, ********* ** **** *****. *** that ******, *** *********** ******** ****** ** *** ******** **** be ******* **. ******** *** ******** *** *** *** ***** the ******** ** *********** *** ********, ******* ** ***** ******. Mounting ** *** **** **** ***** * ***** **** ***** the ********, **** ** *** ****** ******** *** * ***** zone.

Insects ******** ***** ******

******* **** ** ********* ** *** ****** ** * ****** detector *** **** **** ******. ******* ******** ****** ** *** inside ** *** **** ** **** *** **** **** ** interpreted ** ******. *********, *** ******** ** **** *** ***** in *** ****** ******** *******, ********* **** ********* *** ***** holes.

Heat ******* ******** ***** ******

****** ********* ****** *** **** **** ******* ** ********. ***** for ********** *** ******* ***** ****** ******** * **** ** mount *** ****** ********, *** **** *** ******** **** *** motion ******** *** ***** ** **** ***** * ******** ****** in *** ********* ****.

Reflective ******** ******** ***** ******

****** ********* ****** *** **** ********** ******** ** ********. ********** surfaces, ********** ******** ** ********* *****, **** ******* *** **** source, ***** *** ****** ******** *** ******** ** ******. **** reflected ***** *** ****** *** **** ********* ** *** **** sufficiently ** ** ******** ** ******. ******** *** **** ***** to **** ******* ****** *** ********* **** ************ ** ***** false ******, ** ***** ****** *** ****** ******** ******* ***** areas ** ****** ** ***** *******. ***** ******* **** *****, such ** ***** ** ******, *** **** ********* ***** *********** sufficient ** ****** *** ******** ******* ** *** ****.

Hanging ***** ******** ***** ******

*****, ********, ***** ********, *** ***** ******* **** **** **** the ******* *** *** **** ** ******* ****** ** ******* air ************ ** ******* *** *** ****** ******* ** ***** alarms. ******* ********* ** ******** **** ********** ****** ********* ** grocery ****** *** ***** ****** *********. ******* ******* *** ***** animated ******** *** **** ** ********** ** ****** *** ** profile ** *** ********* ****, ******* ** ***** ******.

Screw ************** ******** ***** ******

************** ** *** ******** ****** *** **** *** ******* ** the ****** ********, ***** ** **** *** **** *** **** plastic ******* ****, ********** ******** *** **** *** ***** ** the ********* ****. **** **** ** ***** ** *** ********** technician *** ** **** ** ***** *** ******* ** *** way.

Multiple ** ******** **** ******** ***** ******

*** ****** ****** ********* **** **** **** ****** **** *** tend ** **** ** *** *****, *** **** *** ** able ** ******* *** ******** *******, **** ** ****, ** multiple ******* ** *** ********* **** ** ****. *** *** customer ***** *** ****** *** *********** ** ***** **** ****** deciding ** *** * ****** ********.

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

****** ********* **** * *****, **** *******, **** ** * wall, ** ********* *******. *********, *** ** ********* ** *** detection **** *** ****** ** ********** ****, ******* ** ***** alarms.

Hot *****

****** ********* ******* * ********** ********** ** *.*°* (*°*) ** trip. *********, **** ****** *** ** **** ** ***** **** regularly *** **** ***. ** *** ******* ****** ********* ** locations ** **** ********* **** *** ***** ************ ** **°* (32.2°C) ** ****.

Selection *****

****** ****:********* ****** ******* ******, ********** ********, ***** ******. ************** ** Dual ********** ****** ******** **** ******** **********.

****** **** **** ***: ********* ****** ******* ******, ****** ***** ***, ********* ******. Recommendation ** *** ****** ****** ******** (*****) **** ***** **** disabled.

*******: ********* ****** ******* ****, ********** ********, **** **** ****, patio *****. ************** ** ***** ****** ******** ***** ****, ****** island, ****** **** **** ****. *** **** ********** **** *****-***** immunity.

********** *******: ********* ****** ******* *******, ********, ******* ******* **** *******, reflective ******** ************** ** ** ****** ****** ******** **** *** minimum ******** ******, *** ***** ***** ********. **** ******* ********** with ********.

********: ********* ****** ******* ******** ***** ** **** *** ********* to ***** ***** *** ***** ****, *** **** *** ****** light **** ******** ***** ******* ***** ****** ******. *************** ******* choose ****** ******** **** "*******" ****, ***** **** ******* * narrow **** **** ***** *** ********. ********* ****** ******* *** skylight **** ** ********, *** *** **** ** *** **** will ** *******.

Comments (6)

*** ** *** ** *** **** ******** ** ****** ********* I've ****. *'** **** ***** ****** ********* *** **** ** years *** **** *********** ********** ******** ****. **** *** ****** motion ********* **** **********, * *** ********* ** ***** *** then ***** **** ** ** ******** *** **** ***** **** of ** ********. *******, ***** **** **** ** **** **** cats *** ********. *** ***** ** **** ******** **** ** have ***** **** *********** ****** *********.

** *** ***** **** ** *** ****** *********, *** ** my ********, **** *** **** ** *** ****, **** * pet ****** *** ******** ** * ******* **** ****** **** an ******. * ******** *** ************'* ************ ** *** ******, but *** * ***** *****. * ******** ** *** *** and ********* *** ******** ** *** ******** *** ** *** hallway ***** ** *** *** *** **** *** ***** ****, also ****** *** * *** ****** ** *** ****. * walk ****** *** *** ****** ******** ****** ** ** **** fine. ** **** ***** ***** *****.

**** *******, *** **** ***** ******* *** ********* *** ** use ** ******* ****** ********* ************ ********** ** **** *** play ********* ********** ****** ****** (***** **** ** ******* *** to *** *******). **** *******.

** ** **********, ******* **** *** ******** ***** * *** false ****** ****** ***** ********* *********** ** ******** ** ***** tripping ** ******* *** ******* *****.

** ** ****, **** ********* ********* ** **** ****** ** other ******* **** *******, ***** ********* (*****/***** ****). ****** ***** radar (**:*********) ** ****-**** ******* ********* (**:**** ******* ********) *** ** * ****** ******** *** ********** ********** ****** inputs, ******** **** *** **** **** ********* **** *** *****.

******* ****** ********* **** ** ** *** **** ****** ****** the **** ** ******* ********* *** ***** ****** *********. ** would ******* *** ****** ******** ** *** *** *** **** the ****** ******* *********. *****, ** ******* ***** ****** **** timers. ** ** **********, ***** ****** ********* ** ***** ** good ** ***** * ***.

** *** ** **** ******* ****** *********, * ***** ********* you *** ********* **** ******** ****** **********, *****, *** **** detection **********.

**** ****, ***** *** ******* ****** ********* ******** ************ ** work **** ****, **** ** ***** *** **** ** ******* by ***- *** ******* **** ***** ** *** *******.

** *** **** *** ****** ********* *******, ******** ***** *****. This ***, *** *** ******* ** ***** ******** * ***** object **** ** * ***** ** ******* ******* *** *****. These **** ** ** **** ******** **** ***** ***** **** fewer (******** ** ****** *** ****) ***** ******.

**** ************ ** ********* **** *'** **** ****. ***** ***!

***** *******!

***** *** **** ** ******* ******* **** **** ****** *** outputs ** *** ** ******** *** ************* ** ******** ******. You *** *** **** ** ** **** ** ****** *** situation. *** *** ****** *** *********** ****** *** **** ** for **** ******* ***** ***** * ****** ** *** ** forgiving. * **** **** ******* ******* ** *** **** ** high ****** *****. ***** ** *** *** *** ******* ***** a *** ** **** ** ***** ********. *** **** ***** have "***** ******" ******* ** ***** *** ****.

Login to read this IPVM report.
Why do I need to log in?
IPVM conducts unique testing and research funded by member's payments enabling us to offer the most independent, accurate and in-depth information.

Related Reports

Nortek Sues SDS, Battle Over Unpaid Bill and Cancelled Lines on Aug 13, 2018
Nortek and SDS legal battle continues. As IPVM reported, SDS sued Nortek alleging bribery and antitrust violation. However, Wave fired back at SDS,...
Uniview Intrusion Analytics and VMD Tested on Aug 13, 2018
IPVM's IP Camera Analytics Shootout featuring Avigilon, Axis, Bosch, Dahua, Hanwha, Hikvision created some ill will with a Uniview distributor who...
Camera Focusing Tutorial on Aug 09, 2018
A camera's focus is fundamental to quality imaging. Mistakes can cause important problems. In this guide, we explain focus issues and proper...
Installing Surveillance Cameras Into Synthetic Stucco (EIFS) Tutorial on Jul 30, 2018
Mounting cameras into synthetic stucco, commonly known as EIFS finishes, can be problematic If not properly planned, EIFS/stucco can be downright...
IP Camera Analytics Shootout - Avigilon, Axis, Bosch, Dahua, Hanwha, Hikvision, Uniview on Jul 30, 2018
Video analytics are hot again. But whose analytics really work? IPVM bought and tested Avigilon, Axis, Bosch, Dahua, Hanwha and Hikvision cameras,...
Door Swing Tutorial on Jul 24, 2018
The direction a door swings might seem minor, but it can greatly impact door hardware selection. There are four basic ways a door can swing, and...
Avigilon "Self-Learning" Analytics And VMD Tested on Jul 23, 2018
Avigilon is a popular choice for video analytics, offering "self-learning" analytics built into their cameras as well as appliances. We tested...
Amazon Ring Alarm System Tested on Jul 16, 2018
Amazon Ring is going to hurt traditional dealers, and especially ADT, new IPVM test results of Ring's Alarm system underscore. IPVM found that...
Installing Dome Cameras Indoors Guide on Jul 16, 2018
IPVM is producing the definitive series on installing surveillance cameras. This entry covers one of the most common scenarios - installing dome...
Axis Perimeter Defender Video Analytics Tested on Jul 12, 2018
Axis 'high security' video analytics offering is Perimeter Defender, OEMed / developed with Digital Barriers. But how good is Perimeter Defender?...

Most Recent Industry Reports

Cut Milestone Licensing Costs 80% By Using Hikvision and Dahua NVRs (Tested) on Aug 13, 2018
Enterprise VMS licensing can be quite expensive, with $200 or more per channel common, meaning a 100 camera system can cost $20,000 in VMS...
Nortek Sues SDS, Battle Over Unpaid Bill and Cancelled Lines on Aug 13, 2018
Nortek and SDS legal battle continues. As IPVM reported, SDS sued Nortek alleging bribery and antitrust violation. However, Wave fired back at SDS,...
Uniview Intrusion Analytics and VMD Tested on Aug 13, 2018
IPVM's IP Camera Analytics Shootout featuring Avigilon, Axis, Bosch, Dahua, Hanwha, Hikvision created some ill will with a Uniview distributor who...
ADT Employees Protest ADT CEO on Aug 10, 2018
So many ADT employees were so upset with ADT's CEO speech reported on by IPVM, that ADT's CEO was forced to send a mass email to employees to...
Axis / Avigilon Legal Battle Rises on Aug 09, 2018
In what is shaping up to be high-powered, will-not-back-down battle, Axis and Avigilon are squaring off in multiple legal contests. In 2017, IPVM...
Camera Focusing Tutorial on Aug 09, 2018
A camera's focus is fundamental to quality imaging. Mistakes can cause important problems. In this guide, we explain focus issues and proper...
Dahua Ban Response: NOT Chinese Government Owned on Aug 08, 2018
Dahua has responded to the US Congress passing a US government ban on Dahua and Hikvision's products. While Dahua offered the now standard...
Bad Move: ADT Markets Rival Amazon on Aug 08, 2018
Amazon may be lining up ADT as its next victim but ADT is happy to promote Amazon. Amazon has made major moves recently, including acquiring...
Hikvision PanoVu Mini Tested (Multi-imager + PTZ For ~$500) on Aug 07, 2018
Hikvision has released their first PanoVu Mini multi imager, the PanoVu DS-2PT3326IZ-DE3, with four 1080p imagers, including a PTZ and integrated...

The world's leading video surveillance information source, IPVM provides the best reporting, testing and training for 10,000+ members globally. Dedicated to independent and objective information, we uniquely refuse any and all advertisements, sponsorship and consulting from manufacturers.

About | FAQ | Contact