Worse: ZKTeco 8" Worse Temperature Results Than 5" Tested

By: Derek Ward, Published on Jun 16, 2020

While ZKTeco USA's CEO objected to IPVM's SpeedFace+ 5" test results, saying the 8" version "outperforms" the 5" version, new IPVM testing shows that the 8" has the same problems or worse as the 5" one measuring temperature.

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We tested the ZKTeco SF1008+, answering:

  • How does it compare to the 5" ZKTeco SF1005-V+?
  • ZKTeco's accuracy compared to an IR thermometer.
  • What impact do height and distance have on temperature measurements?
  • Does the larger screen make it easier to the live and admin views?

Upcoming, we are releasing tests on Dahua and Hikvision's temperature tablets plus a shootout of Dahua, Hikvision, and ZKTeco.

***** ****** ***'* *** objected ******'* *********+ *" **** results, ****** *** *" version "***********" *** *" version, *** **** ******* shows **** *** *" has *** **** ******** or ***** ** *** 5" *** ********* ***********.

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** ****** *** ****** SF1008+, *********:

  • *** **** ** ******* to *** *" ****** SF1005-V+?
  • ******'* ******** ******** ** an ** ***********.
  • **** ****** ** ****** and ******** **** ** temperature ************?
  • **** *** ****** ****** make ** ****** ** the **** *** ***** views?

********, ** *** ********* tests ** ***** *** Hikvision's *********** ******* **** a ******** ** *****, Hikvision, *** ******.

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

Executive ******* - *" ** *"

***** ********** ******* ***** with *** ****** ******+, it ********* ***** **** the ******-*+ ********* ******** skin ***********, **** ******* misses ** *** ******** and ***** ******* ** the ***. ******* ************ were **** ** ****** it *** ********* *********, but ***** **** *********, with *** ****** ******* low ** ~*°-*°* ******** to ** ****** ** thermometer.

******** *** ******** ****** issues **** *** **** for **** ********, **** errors **** **** ******** stood *** *** **** (past **" *****, ** our *******, ******** ******** quite ***** ** *** unit), *** ***** *** tall ** *** ***** (the **** *** ****** with ****** ******* ** a **" ****** *****, e.g., ******* **** *' or ***** *' *").

** *** ******** ****, for *** *" ****, it ** ****** ** read *** **** ** the ****** *** **** subjects *** ****** (****** shown ***** ************* ****). Plus, *** *" *** improved ****** ********** (***** in ******** ******** *****) and ******** ****** ******* for ***** *** ***** (not ****** ***** *** focus **** *** ***********).

*******

*** ****** ******+ ***** for ~$*,*** *** ******, ~$800 **** ********* **** the ******-*+ (~$*,*** ***). The ******+ ** **** expensive **** ********** *********** tablets **** ***** (***-********-**) and ********* (**-********-***), ***** both **** *** ~$*,*** USD ******.

Missing ******** **** ************

*** ****** ******+ ****** elevated **** ************ *****, with ********* ************ ** forehead, ***** ******* *** cheeks. ************ ** **** ~101° ** ******** ** our ******** ****** ** thermometers, **** ****** ******* by ~*°** ****.

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** ********** *** ****** multiple ***** ****** ******* and *** ******'* ************, and *** ** ********* to *** ****** ******** face ************ ** ******** subjects *** ** ********* areas ** *** ****.

Bad ***** / ****** ******* *********** ********

** *** *****, *** subject ******** **** *** reader *** * *********** impact ** ******* *********** measurements. ****** ********* ******** recommended **" *********** ********, but ***** ************* ****** 40cm (~**.**"), **** ******.

**** *** *********** ***** distance ** **" ** the ******, **** ***** may **** *******, **** the ****** *** ***** or ********** ** ***** personal *****, ****** **** prone ** ******** ******* away **** ***********, ******* results. ** *** ********* comparison, *** ******* ****** ~18" **** **** *** reader, *** **** ** ~24" **** ** *** reader's *** ********, **** a ********** ~*.*° **********.

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** *** ********** *****, we **** * ******* standing ~**" *** ~**" away **** *** ******. Given *** ***** ***** may **** ** *** reader, **** *** ********* back **** **** *** device *** **** ***** personal *****. *** ********* from *** ****** **** taken **** *** *******'* nose ** *** ******.

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Hardware *********** *** ************

*** ******* ******** *************** between *** *" *** 5" ****** ****** ******* screen **** ** ***** overall ******* ******** *** faces *** *****. *** SF1008+ ** **** ** store **,*** ***** *** 5,000 ***** ****** *** SF1005-V+ ******* *** *,*** faces *** *,*** *****.

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******* ********** ** *** SF1008+ **** * ****-**** customized ** ***, ******* the ******-*+ ** ******** with * **** **** CPU, ******** ** *****'* seen * ******* ********** in *********** *********** ** menu ******. *** ********* hardware "**********" ** *** SF1008+ **** *** ******-*+ are *** *********.

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************, *** ******* ****** boards *** *********, **** the ************* **** (**** for *** ******-*+, **** for *** ******+).

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** *** ***** *****, we ******* *** ******** construction ** *** *" ZKTeco ******+, ** **** as **** ** *** side-by-side ******* *** *" ZKTeco ******-*+.

**** **** *** *" model **** *** **** a *********** *******, *** the ****** ** *** back ** ***** ** the ******, ****** *** 5" *****, ***** ******** installers ** ******** ******* wires ** *** ********* they **** ** ***.

Screen **********

**** *** **** **** and ***** ***** ***** are ****** ** **** with *** *" ******+ than *** ******* *" SF1005-V+. **** *** ****** model, ******* ******** *********** measurements *** ************ ** easier **** ~**" **** than **** *** *" model.

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************, *** ***** *** settings **** ** *** 8" ***** ** ****** to ******** *** ****, as ***** *** **** are ******, ****** ** less ****** ***** **** incorrectly **** ** ****** or *************.

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Size **********

*** *" ******+ ** both ****** *** ***** than *** *" ******-*+. The *" ***** ** similar ** **** ** other **** ****** ********* on *** ******.

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Made ** *****

*** ****** ******+ *** ZKTeco ******-*+ **** **** in *****.

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Firmware ******* ******

******* *** ********* ***** the ****** ******+ **** firmware ******* ******-**-****.*.**. **** firmware *** ******** ** us ** ****** ****** the *******.

Comments (7)

* ***'* ***** *** 2012 *** **** ******* are ************* *****. ** does *** **** ****** that ***** ****** **** been ******* ****** *** 6-8 *****, **** ******* for * ***.

* ***** *** **'* more ****** **** *** date ** *** *** is *** *********** ****:

**.*-****** - **.*-****** (*** 13, ****)

* ***'* ***** **'* fair ** ***** **" away **** *** ****** (when *** ******* ** 18", ** ****** **.**" for ******* ********) *** a *********** **** **** to *** **** ******* are *** ** *-* degrees. *** ***** ******* away **** *** ******'* stated **********? ****** **** its *********** ***** ** purchasing **.

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

****** **** *** ******, naturally, * ***** ************* farther **** **" ****. To ** (*** ******), it ***** *** ** stand **". **** ****** may **** **** ******* to ***** **" ** even ******.

********, *** ****** ***** a ******* ** **" away ** ** ** ordinary ****, *** *********** is **** *** ******* is ****. ** ****** wants ** ****** ******** consistent **** ***** *****, I ***** ********* **** to *** **** * reading **** ****** *** farther ****.

*****, * **** ***** this **** ******* *** refrigerator. * ********* (******* thinking) ***** ~**" **** the **** *** ** makes ********** ***** ***** arms *** ** *** 30" *****.

****** **** *** *********** prior ** ********** **.

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

****-*********** ********* ******** ** to *.* * **** up ** ** ****** away

*** **** ** **** disclosure. **'* ***** * competitive ********* *****, *.*. see*** ***** **** ************ ****** ** ************* longer *********.

*******, ** *** ***** longer-range ***** *** ********* customers ****?

** *** ***** ** feels *** ** ***** within ** ****** ** the ******, **** *** another ******! *** ***'* buy *** ******, ***** further **** ** ******, and **** **** ** and ****** ** *** it *****'* **** ******* its ****** ************. **** does *** **** *** sense **********.

***, * ******* **** longer-distance *********** ***** *** important ** ******* *****, but *** ***. *** example, * *** ** companies *** **** ********* the ** ***** **** us **** *** ******** payroll *********** ** **** each *********** **** *********** a *****-**. **** ** more ********* ** **** companies ***** **** *** ditch ***** ********** *&* machines *** **** **** on *******.

*** ****** *** *** not ********* ******** *********, the ***** ***-********-** *****/******** would ** **** ***** since ******** **** *** have ** **** ** to *** ****** *** rather **** *** ******. It ******** ********** ** addition ** **** *****. But ***** *** ***** that ******** *** *********** range ** * **, accuracy ** ********* **** subjects ***** ****** ** the ********. * ***** it ** ** **** to **** *** ***** DHI-ASI7213X-T1 ** ******* ********* WITHIN *** ****** **************.

(**** *** ******+ *** SF1005-V+ *** ** ****** recognition ** ** ** 8 ** ****, *** palm-vein ** *** *********** detection *** ******* ** 18 ******.)

** *** ***** ** feels *** ** ***** within ** ****** ** the ******, **** *** another ******! *** ***'* buy *** ******, ***** further **** ** ******, and **** **** ** and ****** ** *** it *****'* **** ******* its ****** ************. **** does *** **** *** sense **********.

** ***** ***** *****. First, ** ******** *** it ****** ** ** inches, ** **'* *** as ** ** ******* it. *** ** **** reported ** ******* ********* that ** ******* **** people **** ********* ********* towards, ********** ***** *** ZKTeco ********* ** ******** readings (******, ***** ********* ones) ** ****** *********.

********* ** **** ******* comment:

****** **** *** *********** prior ** ********** **.

** *** *******, *** virtually ******** ****** ***** products ***** ***, **** is ***** ***** **** using **** * ****** for *********** ********, **** even ** **** ********* read *** **" ****, they ****** ** *** have *** **** *** practical ******* ** **** since **** **** ***** experienced **.

* ***** **** ** see **** ********* ** the **** ********** *******. A **** **** ***** actual **** *******. ******* like ****** ****, ******** from ******, *********** ****, device **** **** *** the **** ******* ******. I *** *** **** your ****** *** **** way **** ******* **** it *** * ***** with *** ****** **** would ******* ******* ** these *********. ** ***** also ***** *********** ******* devices *** ********* **. accuracy.

**** ******** ** ******** from ****** ******* ** does *** *** ******** controls *** ****. ***** this ** ** ****** control ****** ***** ** likely ** ** ** operator. ** * *** a ***** ** **** on *** ***** ** 18" *** *** ***** here ****** **** *** their **** ** *** line. ***** *** ***** foot ** ~* ** 12 ****** **** *** face ****** ***** ** 26" ** **** **** the ******.

** *** ****** ** allowing * **** **** >18" *** ********* *** user, **** ** ** issue **** *** ******. If * ***. ******** of **" ** * requirement **** *** ****** needs ** ****** ** read ** * ******** greater **** **". ******** this ** *** ** operator ******** **** ** the ****** ****** **** control *** ********** ** when ** **** *** will *** ***** ******.

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