Okpomọkụ SHT15 na ihe mmetụta iru mmiri
SHT15 Digital okpomọkụ- iru mmiri ihe mmetụta (± 2%)
Ihe mmetụta iru mmiri na-ejikọta ihe ihe mmetụta yana nhazi mgbaàmà na obere akara ukwu ma na-enye mmepụta dijitalụ zuru oke.
A na-eji ihe mmetụta capacitive pụrụ iche maka ịtụ iru iru mmiri, ebe a na-eji ihe mmetụta band-gap tụọ okpomọkụ. Teknụzụ CMOSens® ya na-ekwe nkwa ntụkwasị obi dị mma yana nkwụsi ike ogologo oge.
A na-ejikọta ihe mmetụta iru mmiri n'enweghị nsogbu na ihe ntụgharị 14-bit-analog-to-dijital yana serial interface serial. Nke a na-ebute ogo mgbaama dị elu, oge nzaghachi ngwa ngwa, yana enweghị mmetụta maka ọgba aghara mpụga (EMC).
Ụkpụrụ ọrụ SHT15:
Ihe mgbawa ahụ nwere ihe nwere mmetụta na-emetụ n'ahụ polymer capacitive yana ihe nwere mmetụta okpomọkụ nke ihe oghere ume mere. Ihe abụọ ahụ nwere mmetụta na-agbanwe iru mmiri na okpomọkụ ka ọ bụrụ akara ọkụ eletrik, nke mbụ na-ebuli elu site na mgbama ọkụ na-adịghị ike, e mesịa site na ihe ntụgharị 14-bit A/D, na n'ikpeazụ site na ntanetị dijitalụ nke nwere waya abụọ iji wepụta akara ngosi dijitalụ.
The SHT15 na calibrated na a mgbe niile iru mmiri ma ọ bụ mgbe niile okpomọkụ gburugburu tupu ịhapụ ụlọ ọrụ mmepụta ihe. A na-echekwa ọnụọgụ nhazi n'ime ndekọ nhazi, nke na-emegharị akara na-akpaghị aka site na ihe mmetụta n'oge usoro nha.
Tụkwasị na nke ahụ, SHT15 nwere ihe ọkụ ọkụ 1 agbakwunyere n'ime, nke nwere ike ime ka okpomọkụ nke SHT15 dịkwuo ihe dị ka 5 Celsius C mgbe a na-agbanye ọkụ ọkụ, ebe ọkụ ọkụ na-abawanye. Ebumnuche bụ isi nke ọrụ a bụ iji tụnyere ụkpụrụ okpomọkụ na iru mmiri tupu na mgbe kpochara.
Enwere ike nyochaa arụmọrụ nke ihe mmetụta abụọ ahụ ọnụ. Na oke iru mmiri (> 95% RH), kpo oku ihe mmetụta na-egbochi condensation sensọ ma na-ebelata oge nzaghachi yana imeziwanye izi ezi. Mgbe kpochara SHT15 okpomọkụ na-abawanye na iru mmiri na-ebelata, na-ebute ntakịrị ihe dị iche na ụkpụrụ a tụrụ atụnyere tupu ikpo ọkụ.
Oke arụmọrụ nke SHT15 bụ ndị a:
1) Ogologo nha iru mmiri: 0 ruo 100% RH;
2) Okpomọkụ nha nha: -40 ka +123.8°C;
3) nha nha iru mmiri: ± 2.0% RH;
4) Ntụle ọnọdụ okpomọkụ: ± 0.3 ° C;
5) Oge nzaghachi: 8 s (tau63%);
6) N'ụzọ zuru ezu submersible.
Arụmọrụ SHT15:
SHT15 bụ mgbawa ihe mmetụta okpomọkụ na iru mmiri dijitalụ sitere na Sensiron, Switzerland. A na-eji mgbawa ahụ eme ihe na HVAC, ụgbọ ala, ngwa eletrọnịkị ndị ahịa, njikwa akpaka na mpaghara ndị ọzọ. Isi njirimara ya bụ ndị a:
1) Tinye mmetụta okpomọkụ na iru mmiri, ntụgharị mgbaàmà, ntụgharị A / D na interface ụgbọ ala I2C n'ime otu mgbawa;
2) Nye ọnụọgụ abụọ dijitalụ serial interface SCK na DATA, na nkwado CRC nnyefe checksum;
3) Ndozi nhazi nke nha nha na ihe ntụgharị A/D arụnyere n'ime ya;
4) Nye nkwụghachi ụgwọ okpomọkụ na ụkpụrụ nha iru mmiri yana ọrụ mgbako igirigi dị elu;
5) Enwere ike imikpu n'ime mmiri maka nha n'ihi teknụzụ CMOSensTM.
Ngwa:
Nchekwa ike, Nchaji, Ụgbọala
Eletriki ndị ahịa, HVAC
Ụlọ ọrụ ugbo, njikwa akpaaka na mpaghara ndị ọzọ