Hikvision and Uniview Entry Level Thermal Handheld Cameras Tested

By: Derek Ward, Published on Jun 05, 2020

While most screening systems cost $10,000 or more, manufacturers such as Hikvision and Uniview have now released handheld models for $1,000 or less. But how well do they work?

We purchased two handheld thermal imagers, a Hikvision DS-2TP31B-3AUF and Uniview USS-SC160-T-NB-O (made by Uni-Trend) and examined the following:

  • How accurate are body temperature estimates compared to oral and IR thermometers?
  • How does the camera handle lobbies and other hot areas?
  • How does the camera handle hats, masks, and glasses?
  • How frequently and how long does it take to calibrate?
  • What is the difference between moving and standing subjects?
  • How do subject distance and angle change measured temperature?

***** **** ********* ******* cost $**,*** ** ****, manufacturers **** ** ********* and ******* **** *** released ******** ****** *** $1,000 ** ****. *** how **** ** **** work?

** ********* *** ******** thermal *******, ********** **-******-************** ***-*****-*-**-* (**** ** Uni-Trend)*** ******** *** *********:

  • *** ******** *** **** temperature ********* ******** ** oral *** ** ************?
  • *** **** *** ****** handle ******* *** ***** hot *****?
  • *** **** *** ****** handle ****, *****, *** glasses?
  • *** ********** *** *** long **** ** **** to *********?
  • **** ** *** ********** between ****** *** ******** subjects?
  • *** ** ******* ******** and ***** ****** ******** temperature?

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

Executive *******

** *** *******, **** the ********* *** *** cameras ******** *********** ************ within ~*°* ** ****** body ***********, ***** ** their ******** ***** ** ±0.5°C/±0.9°F *** ******* ** IR ************ *** **** more ********* ********* *******.

*******, ***** ***** ******* lack **** ********* ** other ************, *** ******* routinely ******* ****** *** points ** ********' ******, including *** *******, ****, and *****. ************, **** one ******* *** ***** the ******'* ***** ** a ****, ** ******** in * ***** *** be ******** ******* ** those ******** ** ***** of *** ******. *******, background ******* **** ** electrical ********, **-** ****** points, ** ******* ***** may ** ******** ***/** trigger ****** ******* ** subjects ** *** **********.

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

*** ** ***** *****, lower-cost ******** ******* ******, users **** *** ***** imagers ** ******* ****** (short *****, ****** *******, stationary *********) *** **** these ******* ** ******* from ** ************ ******* moving ** ****** ****** camera ***** *******. ************, given ***** ***********, ** could ** ****** *** users ** *** **** (so **** ** "*******" location ** ******). *******, other ***-****** ** ************ are **** ** ** the **** ** * much ***** ****.

*******

*** ********* **-******-**** ***** for ~$*** *** ******. The *** ***-*****-*-**-* ***** for ~$*,*** ***.

***** ****** *** **** lower **** ***** ********* systems, **** *** **** Seek **** ($*,***). *******, these *** **** ***** lack **** ******** ******** in ******, **** ** face *********, ******* ******, VMS ***********, *** ****.

Measures ******* **** ** ***

**** ******** ******* ******* do *** **** *** sort ** **** ********* or ************, ****** ******* for *** ******* **** in *** ***** ** view. ****** ********, *** hands, ** *** ********** devices **** ** ****** or ******** ****** ****** could ** ****** ** the "*******" ***** ** the *****, *** ***** bypass * *****'* ******** temperature.

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Single ******* ***********

********* *** **** ********* and *** (***** *****) shows ***** ******** ***** being **** **** ******** subjects ****** ******* **** the ******.

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*******, ** *** *****, including ******** ******** ** the ***** ********* ******** in * ******* ** the **** ** *** field ** **** ***** measured ** "*******", **** the ******** ***** ******* ignored. ***** *** ****** can ******* **** * single ******* *****, ** cannot ******** ******* **** simultaneously.

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Hats, ******* *** ***** ***** ****** ** ******* ********* ** ****

******* ******'* ************* ********* hats, *****, ** ******* to ** *******. ** our *******, **** **** and ******* **** ****, both ******* ******** ************ similar ** ***** ***** without ***** *****. **** when ******* ***, *******, and **** *** *** camera ***** ** * cooler ****, ********* ** a ******* ~*.*° *****.

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Measurements ******** **** ********

**** *******' ************* ********* 1m (~*') ******** *** screening ***********. ** *** tests, ****** **** **** distance ******** ** ********** decreases ** ******** ***********, -0.3°F ** *' *** -0.9°F ** *'.

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Simple ***: **** ** *** ***

*** ******** ******* ******* are **** ** ***, and **** *******, **** constantly ******* * *********** of *** ********* ** the *****. *** **** can ***** *** ******* to **** ** *****, with **** ******* ************* saving ****** *** ***** detected ** **** ***********.

Frequent *********** ****** ** ***** ************

**** *** ********* *** UNV ******* ********** ********* recalibration, ****** ***** ** measurements *** ** *****.

*********** ** *** ********* unit *** ***** *** frequent, ****** * *-* seconds *** ************* ***** ~5 *******.

*******, *** *** ***** calibrated **** ** ***** within *** **** ** 1 **** ** *** tests, **** ***** ****** 5-10 *******, *** ********* as **** ** ** seconds. ***** *** ****** to ******** ********* ******** during ***********, *** ************ were ******, **** ***** and **** ****** **** temperature.

Physical ********

************ *** ******* ****** in **** *** ******* the **** ******** *** functions. *** ******* ******* a ******* **** *** image *******, ***** ** pulling *** ******* ** both *******. *** *** model ******** ***** ***** illuminators ***** *** ** set ** **** ** when * ******* ** measured **** *** *********** threshold.

** **** ** *** physical ************ ** **** handheld ******* *****:

Size **********

************ **-******-**** *** ***/***-***** UTI165H *** ***** ***** compared ** *** ****** IR200 ***********, **** *** UNV ***** ********** ****** than *********.

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Made ** *****

**** ************ **-******-*******-* *** ***-***** UTI165*** **** ** *****.

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Comments (4)

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*** * ***** ***** on *** ****** ****, to ***** **** **** price, ****** ** **** 5 ** *****, * get * ****** ** buy ********* **** *** their ****** $*** *****. Online ******** ** **'* worse.

*'* *** **** *** words "** **** ****** alternatives" *** ********. $*.**

**** ***** *** ******* as ****** *******?

** ** ***** *** application ******** ** **** kind ** ******** ******* camera ** **** *** same **** ******** *********** but **** * **** higher ***** ***, *** someone ******* *** ***** is * ****** *** this?

***** ***** *** ** keep * ******* ********. Some ********* ** *** feel *********** *********** * close ******** **** ** thermometers. **** *** ******* image *** *** **** some *********** ** ***** you **** *** ******* point **** ***** ***** it's ***** ** **** the ****** ** *** eye.

**** *******

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