Fever Tablet Thermal Sensors Examined (Melexis)

By Sean Patton, Published Oct 28, 2020, 10:06am EDT

Fever tablet suppliers heavily rely on the accuracy and specs of medical-grade sensors, from Melexis and others, to elevate their tablet marketing and support their use.

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We spoke with Melexis and in this report, examine:

  • Who is Melexis
  • What type of sensors do they offer
  • Are Melexis sensors accurate for medical applications
  • Fever tablets with Melexis sensor test results
  • Issues with fever tablet design
  • What industries use Melexis sensors

Compare to Heimann (who we covered here) the other widely used European tablet thermal sensor supplier.

Melexis ******* ********

******* *** ******* ** Belgium ** ****, ******* over *,*** ********* ** 19 ********* ********. **** are **** ****** **** competitor********** ***** * ******* market ***** ** ******* and ********** ****** *&* and *************.

******* **** **** **** a **** **** ********** in *** ********** ********, noting **** *** *** #3 ******* ********** ****** supplier ****** ***** *** Infineon, ********* *** ******* Euros ******** ** ****.

Melexis *** ******** ******* ****** ******

******* ****** * ******* sensor ****** *** ******* detection (*****,*****,****), *******, ***** *** typically **** *** ******/********* monitoring, *** ********* **** temperature *********. ******* ********* notes:

**** ***** ***** ****** is ****** **safety *** *********** ************ that include fire prevention systems, smart buildings, intelligent lighting, IP/surveillance cameras, HVAC equipment and vehicle seat occupancy detection.

******* **** **** ***** sensors *** **** ** applicable *** ********* ******* higher **** ***°*, ** best, *** ****** ********* if ******* ** **.*°* vs ***.*°*. **** ********** that ** ******** ********* on ************* ******** ********* the ********** *** ********** systems.

*** ********* *-****** ********* video ************ ***** *******:

Low-Cost ******* **** ******

*********** *** ***** ***-**** tablets (******** / ********)***** ******* ***** **** detection ** ******** ************, with ***°-***°* ******** (******** by ** ***********) ******** at "******" **-**°* ************.

************ ** ******** ******* glasses, ****, *** ***** were **********. ***** ******** further **** **** *** recommended **" ***** ***** also **** ***** ******* temperature ************, ** ** much ** ~*°*:

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Issues **** ***** ****** *******

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******* **** **** **** are ***** ** ****** issues ******* ** *** mechanical ******* ** *** sensor ******* ** ******** interface *** *********** *********:

  • * ************ ** * temp ********* ****** **** a ******* ********** ****** but *********** ******* *** housing *** *** ****** and ******** *** ********** impacted ** ********* **** an ******** *** ****** for *** *** ****
  • * ************ ** * temp ********* ****** **** non-medical ********** ******* *** uses **** ** * fever ****** ***** ******* normalized ************ ** ******** a ******** *********

******* **** ***** **** work **** ************* *** report ****** ** ******** with * ******* ****** design, **** *** *** completely ******* *** ***** channel *** ***** *********** of *** ** ***** devices.

Factory ******* ***********

******* **** ***** ******* differentiator ** **** ***** medical *********** **** *** factory ***** ****** ±*.*°* accuracy (******* **** ****** standard/industrial ±*°* **** *** factory).

*******, ******* **** *****'* no ******* ******** ****** to ********* *** ****** calibration, ** *** ** be ******** **** *** memory ** *** ******:

*** **** ****** ***** the ***** ***** *** / *** /***. *** can ****** *** **** number **** * ******** in *** ******. ***** part **** *** * unique ** ** ******* register, ** *** **** track *** **** ** went **.

Handheld *********** ****** ***********

******* **** **** **** than **** ** *** medical *********** ******* *** sold *** ******** ******** and ******** ******** *********** "********* *** *********** IC *** ******** *******-***** ±0.2°C)" ******, ***** ** * single-pixel ******, ******** *** low ******** ********* (******, not **** ** ******* are ****) ** ******** devices.

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** ** */* ** the **** ** *** previous ******* ******* (** even **** ******* ** is ******* *****, *** through-hole ********).

Medical ** ********** *******

******* **** **** ******* calibration *** ********** *** not **** ********* **** an ******** **********, *** noted **** **** ******* a ****** ****** ** supply ***** *** ***********.

**** ***** **** ***** heavily ** *** ********** sensor ***** ******* **** cycles *** ***** ******* are **+ *****, *** they **** *** ******* spike ** ***** ********* sensors ** ** * relatively ***** ****** *****. However, **** **** **** they **** **** **** out ** ******* ***** March **** *** *** "greatly ********** **********" **** the **** * ******.

FDA ************* *** ********** ** *******

******* **** **** ******* calibration ******* *** **** sensor, ***** ** **** by ************* *** *** compliance, *** ***** *** FDA **** *** *******/******** at *** ****** *****.

**** ***** ***** ******* are **** ** **** FDA ******** ***-******* ************ (e.g., ** '****').

Comments (10)

**** ******

**** ***** *** *** MLX90623 ******?

******* **** *** ******** every ************/****** *** ***** sensors; * ***** *** marketing ******* ****** ** a ******* *****:

********°**** *** ******* ******** FIR ****** ** *** continuously ********* ******** *********** for ********, ******°.

******** - ******* *** Thermometer *** ********

**** ********* **** ******* we ***** ** **** of *** ******* ** tested **** *******, *** I ***** **** ******** NCITs ** ***** **** that *** *** **** sensors ** ******* **** the *******, *** **** could *** ***.

* **** ***** **** main *********** ********

*** ******* * ******** --

*********** **** **** ** the ******* ********* ******* industrial/automotive ******* *** ** completely ***** *** ***********-*** sensor **** ******** **** ASTM ******** ******* *.* (Designation:E1965-98 (**-******** ****) - Standard ************* *** ******** Thermometers *** ************ ************* of ******* ***********. **** sensor *** * * degree *** *** *** subject **** **** ** be ****** **** *** an ******** ******* (*** manual ******* *”-**”).

***** *** *** ******* of *** ****** ** great, ** **** *** type ** ******, ** has ** ** **** per *** **** *** complete ************* ** *** manufacturer’s **************. ************, *** software ********** *** ********* the ****** *** ********* the *********** (***** **** all ********* ** *** engineers) ** **** ******** to *** ******* ********* and *********** ******** ** the ****.

********** ***** *** ***********-*** sensor **** ******** **** ASTM ******** ******* *.* (Designation:E1965-98 (**-******** ****) - Standard ************* *** ******** Thermometers *** ************ ************* of ******* ***********. **** sensor *** * * degree *** *** *** subject **** **** ** be ****** **** *** an ******** ******* (*** manual ******* *”-**”).

** *** ******* *** to ** '****** **** for ** ******** *******' how ** **** ********** to ***** ******* ***** advertise **" ** ******* away ********?

*** ********* ** ***** this ********** ** ******* distances, ***/**?

*** ******* ** ******** on ******* ******* * thought ** ******* ** any/all ** *** *******/*************** provided ** ******* ***** seem ** ** ****** context.

***** *** ***** ************* that *** *** *** example *** **** ********* 6 ** ** ******. I ** *** * big *** ** ******-***** IR *** ********* ******* skin ***********. **** ** itself ** ********** ** my *******.

***** ******* **** * large **** ** ***** deficiencies *** ****. **** the *** ** * 914 ******* ********** ******** for ********* *** */*. Having **** **** * need ** ****** *** ASTM **** **********. **** word ** ***** **** very *******. *** **** 1965 ****** ** ************ into **** **** ********** maybe ****, ** **** can *********** ** ********* to ****-*******.

**** * **** ******* manufacturers **** ********* ******* that **** ********* **** would **** ** ** evaluated ** ****.

**'* *** * ****** confusing *** ************ *******. I *** ***** * new *********** ****** **** has **** ******** ** Home ***** (**** *****). For *********. * *** a ****** ** **** today *** *******. ****... HD **** --

***** **** ** ******** - ****-******* ***** & Self-Service ****** *****

****** *** *** ************** and **** ******** ****. You *** ***** *** public (*** *********) * real ******** *******. *** of ******** ****** ** these ****** "******* *******". I ****** *******.

***** *** ***** ************* that *** *** *** example *** **** ********* 6 ** ** ******.

****'* ****, *.*., ***** **** ******* ** Temperature *** ******. ** *** *******, going ** ***** ** a **** ** ********* better. ** ** *** distance *** ***** **** exacerbates *** ******** *****. For *******, ****'* *** nurses ***'* **** ************ by ****** * ******* sensor ****** * ****.

****** *** ******* *** 6,000 **** *** - very *********** -**** | ******** ****

*** *********** ** * narrow *** ****** ** dual ***** ******, *** an *****, ***** ** applicable *** ******** ******* where *** *** ******** select ***** *** *** measuring ** * ********** short ******** *** **** fewer ******** **** *******.

** *" - **" distance *** *** ***** or ***** **** **** of **** ****** ** between *.*" *** *". The ******* ** **** tested ***** ******* ******* are ***** **-** ****** FoV ******* ** **" or ****.

******. ***** *** *******/*** by ***** ************* **** use *** ***** ******* is **** * *********** was ******** **. ******* was ***** *******.

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