SHT15 Tembiricha uye Humidity Sensor

Tsanangudzo Pfupi

Iyo SHT1x dhijitari humidity sensor ndeye reflow solderable sensor. Iyo SHT1x yakatevedzana ine yakaderera-inodhura vhezheni ine SHT10 humidity sensor, yakajairwa vhezheni ine SHT11 humidity sensor, uye yepamusoro-yekupedzisira vhezheni ine SHT15 humidity sensor. Iwo akakwenenzverwa zvizere uye anopa kuburitsa kwedhijitari.

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SHT15 Digital tembiricha-mwando sensor (± 2%)

Iwo humidity sensors inosanganisa sensor zvinhu pamwe nekugadziriswa kwechiratidzo pane diki tsoka uye inopa yakanyatso kurongeka yedhijitari kubuda.
Iyo yakasarudzika capacitive sensor element inoshandiswa kuyera hunyoro hunyoro, nepo tembiricha inoyerwa nebhendi-gap sensor. Yayo CMOSens® tekinoroji inovimbisa kuvimbika kwakanyanya uye kugadzikana kwenguva refu.
Iwo humidity sensors akabatanidzwa zvisina musono kune 14-bit-analog-to-digital converter uye serial interface wedunhu. Izvi zvinoguma nemhando yepamusoro yechiratidzo, nguva yekupindura nekukurumidza, uye kusanzwa kune kunze kwekuvhiringidza (EMC).

SHT15 kushanda musimboti:

Iyo chip ine capacitive polymer humidity inonzwa chinhu uye tembiricha inonzwa chinhu chakagadzirwa nemagetsi gap zvinhu. Izvo zvinhu zviviri zvinonzwisa tsitsi zvinoshandura humidity uye tembiricha kuita masaini emagetsi, ayo anotanga kukwidziridzwa neasina simba chiratidzo amplifier, ipapo ne14-bit A/D converter, uye pakupedzisira nembiri-waya serial yedhijitari interface kuburitsa chiratidzo chedhijitari.

Iyo SHT15 inogadziriswa mune inogara hunyoro kana inogara tembiricha nharaunda isati yabva mufekitori. Iyo calibration coefficients inochengeterwa murejitari yekuenzanisa, iyo inogadzirisa otomatiki masaini kubva kune sensor panguva yekuyera maitiro.

Pamusoro pezvo, iyo SHT15 ine 1 yekudziya inosanganiswa mukati, iyo inogona kuwedzera tembiricha yeSHT15 ne5 ° C kana chinodziya chinobatidzwa, nepo kushandiswa kwesimba kuchiwedzerwawo. Chinangwa chikuru chebasa iri ndechekufananidza kutonhora uye humidity kukosha pamberi uye mushure mekupisa.

Kuita kwezvinhu zviviri zvinonzwa zvinogona kusimbiswa pamwechete. Muhunyoro hwepamusoro (> 95% RH) nharaunda, kupisa iyo sensor inodzivirira sensor condensation apo ichideredza nguva yekupindura nekuvandudza kunyatsoita. Mushure mekupisa iyo SHT15 tembiricha inowedzera uye hunyoro hwehukama hunodzikira, zvichiita kuti pave nemusiyano mudiki muhuwandu hwakayerwa kana uchienzaniswa nepamberi pekudziya.

Iwo maparamendi ekuita eSHT15 ndeaya anotevera:

1) Humidity kuyerwa kwemhando: 0 kusvika 100% RH;
2) Kuyera kuyerwa kwehuwandu: -40 kusvika +123.8 ° C;
3) Humidity kuyerwa kwakarurama: ± 2.0% RH;
4) Kururamisa kuyerwa kwekushisa: ± 0.3 ° C;
5) Nguva yekupindura: 8 s (tau63%);
6) Yakazara pasi pemvura.

SHT15 Performance Hunhu:

SHT15 idhijitari tembiricha uye humidity sensor chip kubva kuSensirion, Switzerland. Iyo chip inoshandiswa zvakanyanya muHVAC, mota, zvemagetsi zvevatengi, otomatiki kutonga uye mamwe minda. Zvinhu zvayo zvikuru ndezvizvi:

1) Batanidza tembiricha uye humidity sensing, chiratidzo chekushandura, A / D shanduko uye I2C bhazi interface mune imwe chip;
2) Ipa maviri-waya dhijitari serial interface SCK uye DATA, uye tsigira CRC kutapurirana cheki;
3) Kugadziriswa kunogadziriswa kwechiyero chechiyero uye yakavakirwa-muA / D inoshandura;
4) Ipa muripo wekushisa uye humidity kuyerwa kukosha uye yepamusoro-mhando yedova point kuverenga basa;
5) Inogona kunyudzwa mumvura kuyerwa nekuda kwe CMOSens TM tekinoroji.