Cov keypad no tau tsim los nrog ABS keypad thav duab thiab zinc alloy nyees khawm kom txo qee qhov nqi ntawm cov khoom thav duab, tab sis nws tseem tuaj yeem ua tau raws li qhov ua haujlwm thaum siv nws.
Vim tias yuav muaj lub tsev tiv thaiv sab nraum lub keypad, qib pov thawj ntawm lub keypad tseem zoo ib yam li lub keypad hlau tag nrho. Hais txog PCB, peb siv cov txheej proforma ntawm ob sab kom ua tiav cov dej tsis nkag, plua plav pov thawj thiab tiv thaiv kev ua haujlwm zoo li qub.
1. Lub thav duab keypad yog ua los ntawm ABS cov khoom siv nrog cov yam ntxwv pov thawj vandal thiab cov nyees khawm yog ua los ntawm zinc alloy cov khoom siv nrog anti corrosion chrome nto plating.
2. Cov roj hmab conductive yog ua los ntawm cov roj hmab ntuj nrog cov txheej carbon, uas muaj kev ua tau zoo thaum kov tus ntiv tes kub ntawm PCB.
3. Lub PCB yog ua los ntawm ob sab uas yog qhov txhim khu kev qha dua thaum kov cov hlau thiab lub PCB yog nrog proforma txheej rau ob sab.
4. Cov xim LED yog xaiv tau thiab qhov sib phim keypad voltage tuaj yeem hloov kho tau.
Nrog cov yas keypad thav duab, lub keypad tuaj yeem siv rau hauv txhua daim ntawv thov nrog lub plhaub tiv thaiv nrog tus nqi qis dua.
| Khoom | Cov ntaub ntawv kev siv tshuab |
| Lub zog hluav taws xob nkag | 3.3V/5V |
| Qib tsis muaj dej | IP65 |
| Lub zog ua haujlwm | 250g/2.45N(Qhov siab) |
| Lub Neej Roj Hmab | Ntau tshaj 2 lab lub sijhawm rau ib tus yuam sij |
| Qhov Kev Mus Ncig Ua Si Tseem Ceeb | 0.45 hli |
| Kub Ua Haujlwm | -25 ℃ ~ + 65 ℃ |
| Kub Cia Khoom | -40 ℃ ~ + 85 ℃ |
| Qhov av noo sib piv | 30% -95% |
| Kev Nyuaj Siab Hauv Huab Cua | 60kpa-106kpa |
Yog tias koj muaj lus thov xim, qhia rau peb paub.
85% cov khoom seem yog tsim los ntawm peb lub Hoobkas thiab nrog cov tshuab sib tw, peb tuaj yeem lees paub qhov kev ua haujlwm thiab tus qauv ncaj qha.