Measuring For Security Installation Guide

Author: Brian Rhodes, Published on May 07, 2018

Accurate measurement is a fundamental skill, yet many installers do not know how to do it.

Using these tools are a key skill needed for security install work:

  • Tape Measures
  • Architectural Scales
  • Laser Distance Finders
  • Measuring Wheels
  • Estimating Using Common Features

In this report, we cover the tools used for installation measurement and how to accurately use them.

Measuring Tapes Examined

One of the most basic tools use in security installation are tape measures. While most know the basics of how to use and read the tape, junior installers who do not are often afraid to ask! We cover the basics below:

Reading Tape Scales

The graduated lines on a tape tell you everything. In terms of significance, each minor mark signifies a portion of a major line unit, and each major mark is labeled with a number showing total length to the end of the tape.

Taking measurements involves placing the end of the tape at the point to be measured, and then 'reading' how much length has been reeled out to measure total distance.

For countries using feet-inch units, notice how each line represents at least 1/16" of an inch, with graduations eventually stacking to show 1/8", 1/4", 1/2", 3/4" and so on. The image below labels the graduations between all labeled inch marks:

The length of minor lines usually are varying lengths for easy recognition. Once the basic segment breakdown is learned, measurements can be made in seconds based on familiarity with the standard tape mark lengths.

Metric lengths can be measured with tapes as well, typically in centimeters:

Usually, tapes themselves are bright yellow with dark contrasting numbers for easy visibility. Some numbers may be color coded to common lengths for quick checks, for example, red marks every 16" for checking stud spacing commonly on 16" centers.

Applications Using Tape Measures

Because of their portability, tape measures are useful for most install tasks. Especially for hanging cameras and cabling work, tapes are easy to carry, compact to use, and useful for measuring length up to about 100 feet.

However, longer measurements take larger tape wheels, and growing beyond 25 feet may make using tapes unwieldy. Other options are therefore typically used for such applications.

******** *********** ** * *********** *****, *** **** ********** ** not **** *** ** ** **.

***** ***** ***** *** * *** ***** ****** *** ******** install ****:

  • **** ********
  • ************* ******
  • ***** ******** *******
  • ********* ******
  • ********** ***** ****** ********

** **** ******, ** ***** *** ***** **** *** ************ measurement *** *** ** ********** *** ****.

Measuring ***** ********

*** ** *** **** ***** ***** *** ** ******** ************ are **** ********. ***** **** **** *** ****** ** *** to *** *** **** *** ****, ****** ********** *** ** not *** ***** ****** ** ***! ** ***** *** ****** below:

Reading **** ******

*** ********* ***** ** * **** **** *** **********. ** terms ** ************, **** ***** **** ********* * ******* ** a ***** **** ****, *** **** ***** **** ** ******* with * ****** ******* ***** ****** ** *** *** ** the ****.

****** ************ ******** ******* *** *** ** *** **** ** the ***** ** ** ********, *** **** '*******' *** **** length *** **** ****** *** ** ******* ***** ********.

*** ********* ***** ****-**** *****, ****** *** **** **** ********** at ***** */**" ** ** ****, **** *********** ********** ******** to **** */*", */*", */*", */*" *** ** **. *** image ***** ****** *** *********** ******* *** ******* **** *****:

*** ****** ** ***** ***** ******* *** ******* ******* *** easy ***********. **** *** ***** ******* ********* ** *******, ************ can ** **** ** ******* ***** ** *********** **** *** standard **** **** *******.

****** ******* *** ** ******** **** ***** ** ****, ********* in ***********:

*******, ***** ********** *** ****** ****** **** **** *********** ******* for **** **********. **** ******* *** ** ***** ***** ** common ******* *** ***** ******, *** *******, *** ***** ***** 16" *** ******** **** ******* ******** ** **" *******.

Applications ***** **** ********

******* ** ***** ***********, **** ******** *** ****** *** **** install *****. ********** *** ******* ******* *** ******* ****, ***** are **** ** *****, ******* ** ***, *** ****** *** measuring ****** ** ** ***** *** ****.

*******, ****** ************ **** ****** **** ******, *** ******* ****** 25 **** *** **** ***** ***** ********. ***** ******* *** therefore ********* **** *** **** ************.

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

Tape ******* ****

********* ** ****** *** ******** ** **** ******* ****** *** commonly *********, *** **** ********** ************ ***** ***** **** ******** to ***** ********* *****. *** ***** **** ****** ** ******** installers (**: **' - **' *******) *** ***** $** - $25 **** ***** ******** ******, *** **** ********** **** ******** units ** ***** *********.

Tape '********' ********

*** **** ****** *********** ***** ***** ***** ** *** ***** is ****** '********' ** '*****-****' *****, ***** ** ******** **** bends ** ***** ***** *** *** ******, ****** ******* ********* of *** ****'* *** ********* ** ***** ******.

*** **** ******, '********' ****** ** ******** ****** ** **** measures **** ****** ******* ***** **** ******, ********* ****** ** - ** ****. **** *** *********** ***** ******** * ** **** ********, ***** ** ****** ***** *** ****** ** ********* **** basic ******** ******* ****:

*** ***** ** *** **** ******* *** **** '********' ** possible, **** */*" ****** ****** ******* ******** ******* **** */*" or * */*" ***** *****. *******, ******* ***** ** *** tape **** ********* ******* ******.

*** ******* *** *** ********* ****** ** ***** *** **** they ***** **** **** ** ****** ** ***-****** ********* ********** up ** ***** ** **** ** ****.

*************Scales ********

*** **** **** ****** *** ******** ********** ** *** ** translate ********** ** * *********, ********** ***** *** ********* *******, into * ****-**** **** ***** ***********. ** ********** ** ***** are ********* ** ** ***, *** ******* ** ******* **** easy ** ** **** ********. *******, ** * *** ** paper ****** ******** *** *** **** ***** *********, * *********** ruler ****** * '*****' ** ******.

Reading *******************

** **** *****, * ****** ***** **** ******* ** ** 11 ********* ***** *****, **** **** **** ************* ** ****** reproduced ******* ******. *** *******, * *** ** ********** *** be ******* **** **** */* **** ** ****** ****** ** paper ********** * **** ** ******** ******. ******** *** ****** down ** *** ** ****** ** *****, *** ***** *************** correct ** ********** **** **** *******, ****** *********, ** ********** drops *** *** ********** ***********.

** ***** ** ******* *** *****, *** ** ******* ** a ***** **** *** ********* ** '****' ******** ****** ** the ****, *** * **** ***** *** ** ***** ***** to *** ****. **** ** **** ** ********* ***** ****** units *** ** **** ****, *** *** ***** ******* *** used *** ********* ******* ** *** *** ** *** ***********.

****** **** ******** ****** *** ***** **** *** *****, ** that *** ***** ** ******* ****** ** *** *** *********** measure:

******* *** ******* ***** ** *** ** ******** ******* ** the ******* ** ** ********, ** *** ***** ***** ** main **** *******, **** *** ******* *****:

*** ***** *****, ******* ** **** ********** *** ******** ************* *** ** *** ****** ******** ** ********** ** ****** dimensions:

Architectural ***** ****

********* ****** *** **** ********* **** ****** ******, ********* ****** ****** **** ~$**-$****** ******** ** ******* ****** ******. ******* ****** *** *** frequently **** *** ****** ************ ****, ******* ********** ***** ****** to *** ** **** *** ** ********* *** **** *****.

Laser ******** ******* ********

*** ********* ****** **** * **** ******* *** ** ****** used, ***** ******** ******* *** ******, *** ***** *** ** used ** * ****** ********* **** '***** & *****' ****.

Using *** ******* ***** ******** *******

*** ****** ** ********* *** **** ******** ******* *** ******: The **** ** ***** ***** ** ****** *** ** **** to ********* ********. *** ****** ** ***** *** * ***** to ****** *** ** * ****** ****** *** ****** ** the ******* *****, *** ******* **** *** ****** ** *******.

***** ******** *******, ** '************' *** ********, ******* ******* ******* **** *** **** ********* to ******* ********. ***** ***** **** * *** ***** ***** matched ** * ********* ********* **** ******** ****** ******* ** reflected *****. * **** ******* ***** ******** **** **** **** thousands ** ***** ** * ******, *** *** **** ***** is ********* ** **** ** * ******** ******* ** *** meter's *******.

Laser ******** ****** ************* *****

**** ** * ***** ***** **** ********** **** **** *** shows ***** *********. ***** ***** ********* *** **** **** **** to ****, *** ******** ***** ** ****** ** **** ***** in *** ********:

Common ********

***** * **** ******* ** ****** *****, ******** ****** ** most ***** *** **** ** ***** ** *** ******* *****:

******** **** ******** *********** ******** (******* ********* ***' *** ******), area ************, ****** ********, *** ********* ********** *** ********* ***** cost. *******, *** **** ******** ********** *** *****, **** *********** models *** **********.

Applications ***** ***** ******** *******

******* ** ***** *********** *** **** *****, ***** ******** ******* are ****** *** **** ******* ***** *** ********** ***** ******* more **** **'. *** ****** ****** ********* ***** **** **** to *** *** ****** ************ *****, *** ** **** ***** using **** ******** ***** *** ****** ** ******.

*******, *** ***** ********** ******* ***** ***** *** **** ******** is ****** **** *** **** *** *********. ******* ** ***** factors, *********, ***-********** ***** *** **** ****** *** ************* **** expensive.

Laser ******** ****** ****

** *******, ***** ******** ******* *** ******* ~$** - $*** each, **** ******* ******* ***** ********** ******. ***** *** *******, but ***** ******** *** ******** ** ***** ** ********* *** shorten ******* **** *** *** ***** ********* *********** **** ** the ******* *** **** ********* **** ********.

Laser ******** ****** ********

*** ******* ********* ****** **** ***** ******** ******* *******:

**** ** *** ** ****** ********:*** **** ****** ********* ** ***** ***** ******** ******* *** that ******* *** '***** ***' *** ** ********* ** ******** lit *****. ***** *** ******* ********** *** ************ ** *** affect *** ******** ** *** ****, ** ** **** ** lose *** *** ******** ** ******** ******* *****. * ******* of ***** ***** ** **** ****** **** *******, ********* '***** enhancement *******' **** **** *** *** ****** **** ******* ** sunlight.

**** ** *** ** ******* *********:***** **** **********, ************ ******** * '***** ***' ** ******* lengths *** ** *********. *** ******** ** *** ***** *** is ***** */*" ** ****, *** **** ******** ** **** it *** ** **** ********* ** ******. **** '**** ***' distance ******* ******* * *****-** ****** **** **** ** **** with ****. **** ***** *** *** ** ********* * '******', like ** *********** ** *** *****, **** ****** ******** * dark, **** ******** ****** ** ****** * **** **** ** the *****.

********, **** *** ****** ********:******* ************* ********** *** ****** **** ***********. *** *******, **** influences **** ********** (********* **** ********) **** ******** *** *** distort *** ****** ** **** ******. ***** **** ********** *** be ** ********* ****** ******,**** * ***** ****** *********** *** result ** * *********** ******** *****. ********, **** ******** (*** presence ** ******** ** *** ***) *** **** **** *** naked *** *** ********* ******** ****** ***** ***** ** ********* meter *****. *** **** ******** ** **** ** ******* ***** errors *** ** **** *** **** ****** *** ***** *** meter **** ****** *********** ********** ******* ** *** ************.

Measurement ****** ********

*** ********* ********* ******** ******** ** **** ** ****** ** that ****** ********* *****, ******* ******** ******* *** ** *********. Especially **** ***** ************, * ***** *** **** ****** ** measuring ***** ***** ** *********. ********* ****** *** **** *** this ***** ***********:

measuring wheel man

Using *** ******* *********** ******

*** ****** ** ********* ****** ** ******: **** *** ***** travels, ** ********** ******* ***** ***** ** *** ***** ******** the ***** ************* *******. ***** **** ******, *** ****** ** reliable *** ********. *********, ********** ********* **** ** *** **** principal, *** ******* *** ********* *********** ** ***** *******, **** accuracy ****** ** *** ****** ** **** ** ******.

*** ******** ******* ** ********* ******* ** *** *** ** the *****, *** **** ******** ****** *** **** * ****** mounted *******. *** **** ** ******** ******** ****** **** ******** (000.0) ** **** ** ********* (*****) ** ****/******. ******* ****** are ***** ** ******* ****** **** ** ****** ** *** factory.

Measurement ***** ****

**** **** ****** ******* **** **** $**, ********* ****** *** cheaper **** **** ******** **** ******** ** ******* ********* ********* like ***** ******** *******.

Measurement ***** *********

*******, ***** ****** *** **** *** *********** ** ***, *** tool **** **** *********:

"***** ****":* ****** *********** ** ********* ****** ** **** ***** ******* with *** ****** **** ** ********** ** *** ***** ******* of '****-********' ** '***** ****' **** *** ************ ****** *** distance ********.

***-****** *****:*** **** '***** * ** ***** *' ************, * ******** line **** ** ******. ***** *** ***** ******* *** ******** actually ********, ** *** **** ** ***-****** ** *******, ******** readings *** ** **********. **** ****** ** ** ******* ******* to ***** ************ **** **** ******** ********* *****, **** ****, or ***** ** **** ************.

***** *******:*****, ******, *****, *** ***-***** ******** *** **** ***** *********** difficult. *** **** ** *** ******* ********* ***** **** **** play, *** ***** ****** *** ****** ***** ** ******* **** measuring ***** ********.

******* *** *******: *********, *** ******* *** *** ***** ** ****** ** or **** *** ****** ** *** ****, **** ********* *** operator ** **** **** ***/** **** ** *** *** ******* measurement.

****: ***** *** **** ** **** ********, ***** ***** **** and **** **** ** ***** *** ***********, ********* *** ***** slowly **** *** ********* *****, ****** ** * **** ****-********* process **** ***** * ***** ******** ******.

Estimating ***** ****** ********

********* ********* *** ** ********** ******** ***** ** ***** ** all. ****** ******** ********, ***** ***** **** ******** ********** ** spacings, *** **** ********* ******** **** ** ** *********** ***** are *********.

****** ******** ****** *** *********** *******:

  • ******* **** *****
  • ****** *******
  • ***** ******
  • **** ******
  • **** **** *******

********* ** *** ********, *** ********** *** ************ ******* ** materials ******* * ******* ** ************ **********. *** *******, ***** surveillance ** ***** ********* **** ******** **** ******* ********. **** tille ********** * ******** *********, **** *** * * * foot ***** ** *** ******* ******* *****:

***** ***** ***** **** **********, *** ****** ** ***** *** be ******* *** ********** ** *** ******** **** ********* ** get * ***** ******** ******** ** *** ****** *****. ** the ******* *******, *** ***** *** ****** *** ******* ***** are * **** ******* ***** ********, *** **** ** ~** feet ** *****, *** ** **.

**** *** ******* ****** ** ************ ************, ** **** ***** exposed *****, ******, ** ********** ***** ****** *** ** **** even ** ****** ** ***** ******. *******, ***** ******* ** these ******** ****** ******* ****-***** ** ****** ***** *** ** helpful *** ********** ***** ************ **** ** ***** ** ***.

Comments (8)

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

*** ** *** ****** **. **** **** ** ***** *** reading *********.

****'* ***********. * ***'* **** ********** ***** * **** **** that, *** * *** ** ****** *** ** ******'* **** well. *'* **** *********** ** ******* ** * ********* *****, in ***** ** ****** **** ***** ***** *** ******* **** making ******** ********* *********.

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

****** ***** ********* *’** ***** *** ****. **** *** ********** useful ********** ******* ******* *** *** **** *** ******** **** in * ****** *****.

* **** ** **** ** ******** ******. * ***'* ******** **** *** * ****** ******* **! A ***** *** ** ********* **** * ***** *****, * guess.

********* ********* *** ** ********** ******** ***** ** ***** ** all.

********** *** ************* *** ********* “***** ** *** *****” ;)

********* “***** ** *** *****”

***'* ****** ** ******* **** *** ****** ****.

**** *** ***** ***** **** ******** **** * *** ** people ***'* ****.

***** **** ******* **** *** * *********** ** ** ** indicate *** ****** ** *** ****. **** ** ** *** can *** ** ** **** ******* * **** *** ***** get ** ******** ***********.

*** ***** **** ****'* ****** *****? ******** ** ** **** way! *** **** ******* *****'* ** *** *** *** ** zero. **** ******** ** *** **** ** ******** ** **** you *** ********** ******* **** *** ****** ** ******* ****.

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

Video Quality / Compression Tutorial on Oct 17, 2018
While CODECs, like H.264, H.265, and MJPEG, get a lot of attention, a camera's 'quality' or compression setting has a big impact on overall...
Integrator Laptop Guide on Oct 16, 2018
This 18-page guide provides guidance and statistics about integrator laptop use. 150 integrators explained to IPVM in detail about their laptops,...
Higher Power PoE 802.3bt Ratified, Impact on Security Products Examined on Oct 12, 2018
Power over Ethernet has become one of the most popular features of many video, access, and other security products. See our PoE for IP Video...
Door Hinges Guide on Oct 10, 2018
Some of the trickiest access control problems are caused by bad door hinges. From doors not closing right, to locks not locking, worn or warped...
Security System Health Monitoring Usage Statistics 2018 on Oct 09, 2018
How well and quickly do integrators know if devices are offline or broken? New IPVM statistics show that typically no health monitoring is...
IP Camera Installability Shootout - Avigilon, Axis, Bosch, Dahua, Hanwha, Hikvision, Uniview, Vivotek on Oct 08, 2018
What are the best and worst cameras from an installation standpoint? Which manufacturers make it harder or easier to install their cameras? We...
Network Cable Testing Guide on Oct 02, 2018
Proper cable installation is key to trouble-free surveillance systems. However, testing is often an afterthought, with problems only discovered...
Access Control Lock Guide on Sep 26, 2018
In this guide, we examine locks; critical elements of any security system and fundamental parts of every access control system. Two fundamental...
Ladders For Installers Guide on Sep 25, 2018
Ladders are one of the most important pieces of worksite equipment for the surveillance technician. Too often, however, even highly experienced...
Alexa Guard Expands Amazon's Security Offerings, Boosts ADT's Stock on Sep 21, 2018
Amazon is expanding their security offerings yet again, this time with Alexa Guard that delivers security audio analytics and a virtual "Fake...

Most Recent Industry Reports

Best Alternatives to Banned Dahua and Hikvision on Oct 17, 2018
With the US government ban and a growing number of users banning Dahua and Hikvision, one key question is what to use for low cost? While Dahua and...
Video Quality / Compression Tutorial on Oct 17, 2018
While CODECs, like H.264, H.265, and MJPEG, get a lot of attention, a camera's 'quality' or compression setting has a big impact on overall...
Knightscope Winning Investors, Struggling With Growth on Oct 16, 2018
While Knightscope's new financials show the company only winning 11 new customers in the past 12 months, the company continues to win new...
Integrator Laptop Guide on Oct 16, 2018
This 18-page guide provides guidance and statistics about integrator laptop use. 150 integrators explained to IPVM in detail about their laptops,...
Huawei Admits AI "Bubble" on Oct 16, 2018
A fascinating article from the Chinese government's Global Times: Huawei’s AI ambition to reshape industries. While the Global Times talks about...
ADI's Financials Revealed + W-Box Growth Priority on Oct 15, 2018
  ADI is one of the most powerful distributors in the security industry but how big are they? How much profit do they make? How much do they sell...
Dahua Face Recognition Camera Tested on Oct 15, 2018
Dahua has been one of the industry's most vocal proponents of the value that AI creates: As part of this, Dahua has released a facial...
Amazon Touts Home Security Market Disruption on Oct 15, 2018
Amazon is coming for ADT and all of home security. Indeed, Amazon is advertising this as, in their own words, calling home security a: Inside...
Higher Power PoE 802.3bt Ratified, Impact on Security Products Examined on Oct 12, 2018
Power over Ethernet has become one of the most popular features of many video, access, and other security products. See our PoE for IP Video...
"New Zealand Govt Uses Chinese Cameras Banned In US", Considers Security Audit on Oct 12, 2018
Newsroom NZ has issued a report: "NZ Govt uses Chinese cameras banned in US": This comes after the US federal government banned purchases of...

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