K3 Wall Mounted IR Temperature Gun Tested

By: Ethan Ace and Derek Ward, Published on Jun 12, 2020

Is this the solution to not spending thousands of dollars on fever cameras?

Handheld IR guns are far lower cost than fever cameras but requires an operator to use them close to the subject being measured.

Now, the K3 wall mount IR temperature guns solve the operator problem, letting people simply walk up and immediately display their temperature, all for just a $100 to $200 device. But how well do they work?

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We bought and tested the K3 wall mount IR gun, examining:

  • How accurate are these models compared to IR, oral, and tympanic membrane thermometers?
  • How do ambient conditions impact temperature measurements?
  • How does subject height impact usability?
  • How do they compare to thermal cameras that do forehead readings like Hikvision and Sunell?

*******

** *** *******, *** wall-mounted ** *********** *** was ********** ******** ** climate-controlled **********, **** ** lobbies *** *******, **** measurements ************ ~*.*-*.*° ***** than **** *********** ******** using ******** *** **** thermometers.

*******, ** ***** **** higher ************ *** ******** humidity, *********** ************ **** significantly ***** **** ****** body ***********, ** **** as *.*°*. ************, ***** is ** *** ** compensate *** ***** *** measurements, ** *** **** does *** ******* ********** body *********** ******* ** alarm ********** ******* ** most ******** ************ *** thermal ****** ********* *******.

*******, ******** ****** ************* impacts ********* *** ** the ************ ***** **** size *** ***** ***** (5-10cm / ~*-*"), **** tall ***** ******* ** bend *** ***********, ***** shorter ***** *** ******* a ***/**** ** ***** on. *******, *** *** price, ***** ***** ****** install * ****** ******** for ******* *******.

Update: ** ********** ******** ****** ***** ********* **********

***** **********, ******* ******* contacted ** **** ********** software ********** **** *** K3, ******** ********* *** USB. **** ******** ****** adjustment ** ***** ********** on *** ** ******, addressing *** ** *** key ***********, *** ******** temperature ******* *** ***/*** export.

**** **** **** ******** is *** ********** ** any ******* ** **** seen, ****** **** ** contacted **** ***** ** it, *** ** ** not ********* ** *** of *** **'* *************.

Compared ** ********* *** ******

*** **** ***** **** gun ******** ******** ******* to ********* *** ******'* thermal ********* ******* (**** with ***********), **** ** which *** **** *** forehead *** ***********, **** ~0.5°F ** ************. *******, the **** ***** ** gun **** *** ****** from ******* ******** ** false ****** ** ******* or ***** ***** **** opening *****, ** ***** for **** ********* *** Sunell.

********* *** ****** ***** users ** ****** ******* and ******* *********** *** less ***** **********, ***** the **** ***** **** does ***, *** ***** for ***** ** ******* heights *** ** ***** much ****** ****** ** view. ************, ***** ******* allow *********** ** ******** clients *** ***, ****** monitoring, *** *********** *******, which ***** ************ ** not.

*******, ***** **** ***** IR ******* **** * small ******** ** *** price ** ***** ****** systems (~$***-*** **. $**,***+).

Compared ** ******** ** ************

******** ** ************ ********* offer ********** **** *********** offsets *** ***** **********, features *** ***** ** the **** ***** **** gun ***** *** ** used ** ********** *** environmental ******* *** ****** adjust *** ******* ** the ******** ********** ****.

*** **** ***** *****'* main ********* ** ********** of ********, ***** * staff **** *** **** to ** ********** **** the ****** *** ******* to **** *** ******* and **** ******* ******. By ********, ******** ****** must ** **** ** a ***** ** ~*-*" from ********, ******* ***** much ****** ** ***** being ********.

*******

******* ** ***** **** mount ** **** ****** drastically, **** ~$** *** quantity ****** ** ******* to ~$*** ******, ********* on *** ********. **** pricing ** ******* ** slightly ****** **** ******* handheld ** ************, *** a ******** ** *** price ** ******* **** ******* ********* cameras.

*** **** ** ********* used *** ***** **** "******" ** *** ******* listing, *** *** ****** itself ** *** *******. We **** ***** ** least** ***** ****** *********** *** **** ****** under ********* *****.

Simple *********

*** **** ***** *********** is **** ****** ** use: ******** ******** *** thermometer, ***** ***** ******** in ***** ** *** sensor (*-*" ****) *** wait *** * **** indicating * ****** *********** or ****** ** ***** indicating ****-***********.

Awkward *** *** ********* *******

*** **** ***** **** gun *** ** ******* for ****** ** ******* heights ** *** *** to *** ***** ***** and ***** *********** **** size. ** ******** ***** their ********, **** ******** must **** **** ****** the **** *** *********** and ******* ******** **** require ** ****** ** stand ** ** ******* too ****, ****** ******* camera-based ******* ***** *** a **** ****** ***** of **** ***** *** account *** ***** ***********.

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*******, ***** *** **** low ******* ** ***** wall ***** ************, ***** may ****** ****** ** install *-* ** **** to ***** ******** ** varying *******, ***** ******** far **** **** *** fever ******* ** *******.

Accurate ** ****** **********

** *******-********** ************, *** wall ***** ** *** produced ************ ****** ~*.*°* of ** ** ***********. For *******, ** * ~70°F ****** **** ~**-**% relative ********, *** *********** read ******** ******** ****** this *********:

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Significantly *** ******** ** ****** / ****** ******** ************

*******, ** ***** ***** the ******* ** *** so ******* **********, ************ were ************ *** ** all ******** ******, ** as **** ** ~*.*°*. For *******, ** ** ~80° ********* **** ******** humidity, ~**-**%, *** ******** below **** ******** ~*.*°-*.*°* lower **** ****** **** temperature.

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****** **** ********* ******* we **** ******, *** wall ***** **** *** does *** ***** *** any ****** ** ***** threshold *****, ** ***** cannot ****** ******** *** these *********.

Occasional ***** ******** ** ********

** *** *******, *** wall ***** *********** ************ produced *** **** ********* readings **** ** ****, typically * ****** ******* followed ** *****. **** occurred the ****** ** *** days ** *******, *** with ** ******** ***** or ****** ** **********.

Elevated ************ *** ** ********/**** ********

**** ******* ******* ***** measured *** ********, *** wall ***** ** *********** also ********* ******** ************ due ** ******** ***/** heat ********. *** *******, the *******'* *********** ** the ******* ***** ********* ~0.5° ***** **** **** a ****** *******.

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[Update, */**/****] ** ********** ********

******* ******* *** **** there ** ** ********** software ********* *** *** K3 ***** ***** ****** alarm ********* ** ** adjusted. *******, **** ******** is *** ********** ** sellers ** **** **** and *** ********* ** the **'* *************.

***** *** ********, *** camera ** ********* *** USB ** * **, so ** ******** *** view *********** ******** **** easily **** ****** ******* the ****'* *******, **** the **** *********** *********** and ******/******** ********* **** clear *****/*** **********.

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************, *** ******** ** the **** ******, ** allows *** ***** ********* to ** ******** *** displays **** ** ****** reads ** **** ** CSV ******. ** **** audibly ********* ***********, ***** you *** **** ** this *****:

Limited **** *******

***** ***** **** ***** units *** ****** *********/****** via ****** ******, **** support ** ********* ******* to *****, ** ****. During *** *******, ** contacted *** ****** ** the ****** **** ***** questions, *** **** *** received *** ******** ***.

Physical ********

*** ****-******* ** **** gun ** *********** "**** and ****", **** ** setup ******** *** ** the *** ***** **** changing *********** **** **** Celsius ** ********** ***** a ***** ****** ****** the **** ** *** unit.

** ******* ** *** physical ************ ** **** video:

.

Made ** *****

*** ****-******* ** *** we ****** *** **** in *****.

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Poll / ****

Comments (22)

*****, *****, **** ***!

* ***** * ****** version ** **** **** of ******** ***** ** useful *** ***-****, ****-****** screening. ** ****** *** going ** ***, *** the *** **** *******, 'temp ****' **** ***** as **** ******* **** in * *** **** is ****** *** ***** to ** **** ***** not ******** * ***** fortune ** ***** ***** cameras ** *******. *****/********?

**, ** **** ** it’s *******, **** ** China *** ******** *** less *********?

*** ***** *** ********* that's $**,***, **** ** China, *** *** ******** problems ** ********* **** is $***, **** ** China, *** *** ******** problems. ********** **** ***** equal, *** ****** ** preferable, **?

*** ******* ****** ** IR **** **** ** that ***** *****-***** ********** many ** *** **** common ******** ** ****** to************ ************ **** ***** cameras ** ****** ** the **** ** ** crowds.

***** **** **** ** application ** ******* ***** temperature ****** *** ********. They ***** *** ********:

***** ********. *** ******** to **** ** **** over **** ********* **** PPE ** * ********** barrier ***** ** ******** for *** ***-******* *********** operator. **** ********** ************, we *** **** *** staff ****** ******** ******** exposures.

**********. *** **** ** these ******* **** ***** for **** ************ ******* the ********** ***** ***********. With ******** ***** *** physical **********, ** ***** be ******** ** **** multiple ****** *********, **** if ***** **** ********* height ******** ** *** same *****.

***** ****** ** ** as ******** ** ** non-contact ************. ******** *** always * ********, *** for ********* *** **** is ** ****** **********. Those ******** ***** ** diverted ** ** ** with * ********** ***********.

*******, **** ********!

*** **** ***** * worry ***** ***** **** for ******* ** **** this ** * **-****, no-support, **-*** ******** ******. My ******* ***** ** the ********* ******** ***** there *** ** **** kids, ** **** *******, etc. **** ** ******** goes *****, *** ****** could ** ******.

**** ****, * ** recommend ***** ************* ** look **** **** **** factor ** ***** ** greater ************ *** *******.

**** *****. **** ********* this ******* ** **** checks *** **** ** an ******* ******* ***** (call ** * ******** check). ** *** ****, we **** **** *** parents / ******** ****** questions ****** ******* *** take *** **** ** site.

*** ***** ********** ** not ******* *** **** info ** ********. * think *** **** ****** are * ********* *** people *** ***** ** tempted ** ****** * fever. **** **** ** want *** ******* ** be ********** ****** *** group, **** ** *** 100% ********.

***** *** * *** other ******* ********* **** Chinese *************. *** ******* is:

****** ***** ********-*** ******-******* Switch-Industrial *** ******-******** ******

* ****** * ****** samples **** ***** **** a **** ****** ** a ****** ****** *********, and * *** ****** to * ****** ******* than *** *** ****** results. ***** ** ******** for ****** ********** *** integration, **** *** *** integrate * ****** *** led ******** ******, * bought *** * *** long *** $**.

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** **** **** ********** yesterday *** ****** ****** monitoring *** **** **** of *********** ** **** would ******* ** *************. Can *** ***** *** source ** ***** ******* and ********? ** *** don't **** ** ** so ****, ***** ** at*****@****.***, ** ********** **** to **** * ****, thanks!

****** ******* ********** **** on *** *** ******* yours *** ** *** remote **********, *********** *** remote ****/*****.

******* ****** **** ******* sensor ****** ** *********** uses ********** ** * sensor. ******* ** **** thermopile.

** *** **** ***** for ** **** ********** becomes ********* ** ******* conditions. ** *********** *** carrying ** ***** ******* device **** * ******* the ****** **********. ******, measured *** ******** **** like ******* ******.

***, *** ***** * found ***** ** *** marketing ****** (**** *****) is **** ******** ** roughly *** **** ******:

** ** ******* ** the ******, **'* ***** enough ** **** *** multiple ***** *** ***** them ** ******** ******* but ********** ** ***** that ****** *** **** walk ** ** * unit **** ******* ****** with ******* ******* ** more **** * *** inches **** **** ** materially ****** ***** **** positioning.

**** ** ******* *** forehead's **** ** **** temperature? ** ** *** clear ** ** *** measure *** *********** ** inner ******* **** ** recommended ** *** *** and ***/*** *** ****** accuracy.

*** *** *** *****-******** and *****-******** ***** ** compared ** *** *******? Assuming **** ** ** set ** ** * climate-controlled ***********.

** ***** ** ****** in * ****-********* *********** as **** ** ***** alerts *** ****-** ** acceptable ***** **** ***** require ********* ********* **** a ***********.

******!

****: ******* ******** ** that ***** ** * newer ********** ** **** starting ** ****. ** are *** **** ** what ** ****** *** are ******* **** ****. If *** **** *** specifics ***** **, ****** share.

*******:** **** ** ***** product ****.

** **** ******* * K7 ** *** ************* shared **** ** **** the ***** ***** *** the ****** *** ** adjusted ** **** *****. Pricing ** ******* *** same ** ** ***** 2 ******** ******** **** it ***** ******* * of *** ******* ****** we ***** **** *** K7.

******: ** ********* *** test ** *** ** model ****:** **** ******* ** Temp *** ******

** *** **** ******** in ****** ************ **** the ** *** ******* body *********** ****** *** alarm ********* ********** ***** on *** ******, *** included ** *** **.

***** ** ********** * have ****:

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**** **** ***** ** $229 ****** *** *********** for *** *, *** 1 ****. ** **** be *********** ** *** how ******* ** *** these ***** **** ** sold ** ******** ******* since *** ******* ** this *** *** *** less **** **** '*****' tablets.

*** ****** ******* *** availability ** ****** ********** *** **** form ** *********** ** this ******? ** ** would **** ** **** where ** *****.

***** ** ********** ********, but ** ******** * USB **********. ***** ** no ****** ****** ****** you *** ****** ******* or ********* *******. *** USB **** ** *** unit ** ******** *** just **** *** *****. It's **** *** ** connectivity, ***** **** ** directly *** *********, **** so:

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* *** ******** ******* send ** *** ******** in *** **** **** and **** *** ** from ** ****** *** Alibaba ******. **'* *** publicized ** ***, *** it's ***** ** *** ask.

*** ******** ***** *** last *********** *** ****** or ******** ******, *** allows ***** ** ****** unit ** *********** *** surface/body ****. ************, *** possible ** *** **** itself, ** ****** *** alarm ********* ** ** adjusted *** ******** **** of ****** ***** ** well ** *** ******. It **** ******* ********* temperature, ***** *** *** hear ** **** *****:

* **** *** **** any *** ** ******* the *********** *** */*, e.g. ** * ****** or ****** ******. *** sellers * ***** ** did *** **** *** information ** ****.

*/* ** ***** ***********, and * *** ******* of *** ** ****** be ******** ****.

* **** *** ****'* manual ** *** ******** in **** ****** ***** it, *** **'* ***** straight ******* **** ***** demonstrated.

***** *** *** *** quick *** ******** ********, appreciate *** *** **** and ******* ** ***********.

*** **** **** */**** the ***** ** * fancy **** *****, ******** can *** ***** *** personal ***-******* ***-******** ***********, and ***** ***** *****, and **** **-****** **** asked. ********* *** ***** to ***** *********, ******* can ***** ** ********. Wouldn't **** ** ******* under *** ***** ***?

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