Muaj Qib Noise Detection Module Decibel Meter RS485 Noise Sensor TTL Suab Tshawb Pom Decibel Meter
Cov khoom lag luam Vedio
Khoom nta
1. Nruab lim paj rwb
Txais kev ua haujlwm siab prepolarized back-pole polar lub cev capacitor microphone.
2. Txheem 2.54mm tus pin tso zis
Tus pin tuaj yeem muab tso ncaj qha rau hauv tus neeg siv lub rooj tsav xwm Circuit Court thiab tuaj yeem kuaj nrog DuPont hlau.
3. Cov chips zoo tuaj
Kev ntsuas siab raug, ntau yam, kev ruaj ntseg zoo, kev ua haujlwm ruaj khov mus ntev.
4. Cov qauv sib cais
Zoo huab cua permeability, teb ceev ceev, ntsuas qhov tseeb dua.
Cov khoom siv
Feem ntau yog siv rau ntawm qhov chaw ntsuas lub sijhawm ntawm ntau hom suab nrov xws li suab nrov ib puag ncig, suab nrov nrov, suab nrov hauv chaw ua haujlwm, suab nrov ntawm kev tsim kho thiab lub suab nrov hauv zej zog.
Khoom Parameters
| Kev ntsuas ntsuas | |
| Khoom npe | Noise sensor module |
| Kev ntsuas qhov tseeb | ± 1dB |
| Fais fab mov | DC4.5 ~ 5.5V |
| Kev ua haujlwm ib puag ncig | -30 ~ 80 ℃ |
| Kev hnyav hnyav | A (hnyav) |
| Kev ntsuas ntau | 30 ~ 130dBA dav dav |
| Tso zis hom | TTL / 0 ~ 3V / RS485 |
| Kev siv fais fab | <1 W |
| Ntau zaus | 20Hz ~ 12.5kHz |
| Lub sij hawm hnyav | F (ceev) |
| Wireless kis tau tus mob | |
| Wireless kis tau tus mob | LORA / LORAWAN (EU868MHZ, 915MHZ), GPRS, 4G, WIFI |
| Muab huab server thiab software | |
| Software | 1. Cov ntaub ntawv lub sijhawm tiag tiag tuaj yeem pom hauv software . 2. Lub tswb tuaj yeem teeb tsa raws li qhov koj xav tau. |
FAQ
Q: Kuv tuaj yeem tau txais cov lus hais li cas?
A: Koj tuaj yeem xa cov lus nug ntawm Alibaba lossis cov ntaub ntawv tiv toj hauv qab no, koj yuav tau txais cov lus teb ib zaug.
Q: Dab tsi yog qhov tseem ceeb ntawm lub sensor no?
A:
1. Txais kev ua haujlwm siab prepolarized back-pole polar lub cev capacitor microphone.
2. Txheem 2.54mm tus pin tso zis
3. Kev ntsuas qhov tseeb, ntau yam, kev ruaj ntseg zoo, kev ua haujlwm ruaj khov mus ntev.
4. Zoo huab cua permeability, teb ceev ceev, ntsuas qhov tseeb dua.
Q: Kuv puas tuaj yeem tau txais cov qauv?
A: Yog lawm, peb muaj cov ntaub ntawv hauv Tshuag los pab koj kom tau txais cov qauv sai li sai tau.
Q: Dab tsi yog cov khoom siv hluav taws xob thiab cov teeb liab tso tawm?
DC4.5 ~ 5.5V.TTL / 0 ~ 3V / RS485.
Q: Kuv tuaj yeem sau cov ntaub ntawv li cas?
A: Nws tuaj yeem cuam tshuam nrog peb 4G RTU thiab nws yog xaiv tau.
Q: Koj puas muaj qhov sib piv tsis tau teeb tsa software?
A: Yog lawm, peb tuaj yeem muab cov software matahced los teeb tsa txhua yam kev ntsuas ntsuas.
Q: Koj puas muaj qhov sib txuam huab server thiab software?
A: Yog, peb tuaj yeem muab cov software matahced thiab nws yog dawb xwb, koj tuaj yeem tshawb xyuas cov ntaub ntawv hauv lub sijhawm thiab rub tawm cov ntaub ntawv los ntawm software, tab sis nws xav tau siv peb cov ntaub ntawv sau thiab tus tswv tsev.
Q: Kuv puas tuaj yeem paub koj qhov warranty?
A: Yog, feem ntau nws yog 1 xyoos.
Q: Lub sijhawm khoom xa tuaj yog dab tsi?
A: Feem ntau, cov khoom yuav raug xa hauv 3-5 hnub ua haujlwm tom qab tau txais koj cov nyiaj them poob haujlwm. Tab sis nws nyob ntawm koj qhov ntau.
Yam khoom
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