The German Company Powering Many China Temperature Tablets (Heimann)
Many fever tablet suppliers market German-made Heimann thermal sensors while the company touts its "Essential role in fighting the pandemic".
We spoke with Heimann Sensor, and in this report, we examine:
- Who is Heimann Sensor
- What type of sensors Heimann offers
- Are Heimann sensors accurate for medical applications
- How are thermopiles different from microbolometers
- Worldwide demand causing long lead times
Heimann ******* ********
******* *** ******* ** *******, ******* in ****, ******* ** ***** *********(** ** ********), ******** *** ************ ******** ******* for ********** *************, **********, *******, *** security ************.
*** ******** ** ******* **** ********* part ** ******* ** ** ******* called ******* *************** *** ***** ***** was******** ** **&*, * ** *************/****** conglomerate, ** *** ***** ******** $** *******.
**** **** ******* ** *** ****** cities ** ******* *** ********, ** well ** ** ********.
Heimann ********** *******
******* ****** * **** ***** ** low-cost ******* ******* ****** ********** ****** in * ****** *****-**** ******** **** 8x8 ** *****.
******* ****** **** ***** ****** **** $19 ** $*** *** *** ******. The **** ****** ******* ********* *****-**** ***** ****** ************ ***** ** ***** *** **** for ~$** *** ********** ** *** or ****.
******* ****** ******* ** ******** **** options, **** **-******* ** ***-*******, *** generally, ***** ******* *** ***** **-****** or **-****** ******, ***** ******* ** a ***** **** **** ** ~*/* an **** (*.****) ** *' (****) scanning ********. ***** * ***** **** is ~* ****** ****, **** ****** ~12 ****** ************ ** * ****.
Thermopile ****** ***************
*** ********** ** ************ ******* ***** cost *** ** ***********; *******, *** disadvantages *** ***** ********** *** **** sensitive ** ********* ** ***********.
******* **** **** *********** *** ********* stable *** ** *** *****, ****** microbolometers, ** **** ** *** ******* continued ***********:
**** *** ********* ****, *********** *** stable **** **** *** ***’* ***** like ***************. ******* **** ***** **** to ******* **** ****** *** **-************ zero. **** ******** ******** * ******* and *** *********. **-************ **** ** referred ** ** “***-********** **********”, ********* abbreviated ** ***. ** **** *******, the ******* ** ******, *** *********** tells *** ************** **** ***** ** no ******** ***** *** ********** ** re-set ** ****. **** *** ******* is ******, *** *** *********** ** made. *******, ** **** ** *** shutter ** ******, *** ************** ****** its **** ***** *****. *** *** has ** ** ********* *********. **** what * **** ****, **** ******* every *** *******.
*********** *** **** ********* **** ***************, are ****** ** ****** ******* ** temperature, *** ******* ** *** ***** pixel ***** ******* * **** ******* FoV ** **** *** **** ***** spot ****.
******* **** **** *********** *** **** expensive *** **** *******:
**** *** ******** ****, *********** *** less ********* **** *** ***************, ***** have ** ******* *** **** ** the ******* ********.
********, ******* ** *** ***** ******** screening *** ****** ***** ** ****, thermopile-based ***** ******* ** *** *** black ******, ********** ***** *******.
*******, ** * ******* ********** ** 80 * ** *** **** ******** used ** * ** ************, ************ have ** - **% ***** ********** than **** * ***-*** *** * 120 ******* ******.
Not ******* ******** ********** **** *******
*******'* **** ***** *******-********** ******** ********* offers ±* - *°* **** * wide *********** *****, *** "****** ********" near **** ***********, *** ****** ***** medical-grade ******** ***********:
******* ******** ******* ********** ******** ****** arrays *** **********, ********, *********, ****** management ****, ******** *** ***** ************ with ******* ********** ** +/- *…* deg * ** * ***** *********** range. ***********, ** ***** * ******* calibration *** ****** ******** ** **** ambient *********** (**** ***********). ************, ** achieve *** ******* ******** ********, * final *********** *** ** ** **** with *** ***** ****** (** ******), consisting ** ** ******, *********** *** housing. ********* **** ******** ********** ** 0.2..0.5°C *** ** ******* ** * very ******* *********** ***** ** ********** ambient **********. ** *** ******* ******** (such ** *******) *** **** ** reached ** *********** ** *** ***** device, **** *** ** ** **** by *** ********* *** ****** ** offered ** *******.
**** ********** **** ********* (***** ****** manufacturers) *** *********** *** *** *********** of *** ***********:
* ***** ***** **** **** *** and ******** ************. *** ** *** these ***** *** ********* *** *********** for *** ******, ************* *** *********** of ***** *******. *** ********* ***** for *** ******** ** ***** ******* – *** ********** ****** ****- *** Heimann ****** ****** **** *** ***** medical-grade ******** ***********.** *** * *** 9001 ********* ******* *** ** **** no ******* ******* ************* – **** is ** ** *** *********.
*******, **** *****-**** ***** ******* ****** high ******** ***********, ±*.*°*, ** *'-*' from *** ******. ***** ***** * few ******** ******* (±*.*°*) ** ***** (±0.54°C), ***** ** *** * **** range ** ******** ******:
**** ******* *** ***** **** ***-**** fever ******* ********** **** ******** **** temperatures *** *** **** ******** **** marketed (*,*,*):
***** ********* *** ***** ******* '************ algorithms', *******, ****'* *******, **** *** testing, ** **** ***** '**********' *** smoothing ******* ** **** **** **** statistically '******' (*.*. **°* / **.*°*) at *** ******* ** ******* ****** elevated ************.
Worldwide ****** ******** ******* ****** ******
*******'* ** ***********,****** ***********, ******** **** ********* ****** *** created **** **** *****:
** ***** **** *** ********* ****** for ***** ******** ** ******* *** roof. **** ***** *** **** **** depending **** **** *** ****. ** can **** *** *** **** ********* of ******* ************.
**** ******* ******** ** **** ******** from *** ******* ****** ************* (*.*.,*********), *** **** ******** ********** ******** their ****** ******* *******.
*******
********** ** ****** ***********, **** ** clearly * **** *** ******* *** IPVM ** ********* ***** ***** ***** sensors ** ** ***** / ******** temperature ********* ***** *** *********** ** the ****** ******* *** **** *** of ************ **********.
* *** ****** * ***. ***** even **** ** *** ******. **** to *** ** ** ****** ** in *** ************ ***** ******.