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影響防爆的對(duì)講機(jī)的價(jià)格因素

發(fā)布者：易達(dá)瑞康發(fā)布時(shí)間：2021年03月22日標(biāo)簽： 2548人瀏覽過

防暴對(duì)講機(jī)概念

用過防暴對(duì)講機(jī)的用戶向易達(dá)瑞康反饋，他們使用后會(huì)發(fā)現(xiàn)，防暴的對(duì)講機(jī)售賣價(jià)格比普通對(duì)講機(jī)價(jià)格高出不少，提出不少疑問，實(shí)際上是對(duì)防暴對(duì)講機(jī)的性能要求不了解。

防暴對(duì)講機(jī)是指在易燃易爆場(chǎng)所使用的對(duì)講機(jī)，包括易燃易爆的氣體環(huán)境和粉塵環(huán)境，它們完全可以在油站，化工廠，煤礦等易燃易爆環(huán)境場(chǎng)所安全使用。

為方便管理和應(yīng)用要對(duì)易燃易爆環(huán)境進(jìn)行分區(qū)，應(yīng)用設(shè)備進(jìn)行分類和相關(guān)環(huán)境下溫度指標(biāo)進(jìn)行限定分級(jí)，有一整套國(guó)際標(biāo)準(zhǔn)和管理體系要求。相應(yīng)生產(chǎn)的防暴對(duì)講機(jī)除滿足常規(guī)指標(biāo)外還須滿足易燃易爆場(chǎng)所使用對(duì)講機(jī)的各項(xiàng)特殊要求，從電路板布線，元器件選擇，外觀抗暴性和電池設(shè)計(jì)上都滿足本質(zhì)安全型的各項(xiàng)要求，才能應(yīng)用于易燃易爆的特殊環(huán)境。

防暴對(duì)講機(jī)的標(biāo)志

防爆對(duì)講機(jī)防爆標(biāo)準(zhǔn)主要有美國(guó)防爆標(biāo)準(zhǔn)（FM）；歐洲防爆標(biāo)準(zhǔn)（ATXE）；國(guó)內(nèi)防爆標(biāo)準(zhǔn)（CQST）。

目前防爆對(duì)講機(jī)廠家生產(chǎn)的防爆對(duì)講機(jī)產(chǎn)品大多采用本質(zhì)安全型“i”。它定義了在標(biāo)準(zhǔn)規(guī)定條件下對(duì)講機(jī)使用中產(chǎn)生的任何電火花或熱效應(yīng)均不能點(diǎn)燃規(guī)定的爆炸性氣體，它是目前可靠安全的一種防爆形式。

防爆標(biāo)識(shí)例：ExibIIBT3其中Ex為防爆標(biāo)志；ib---為本質(zhì)安全型設(shè)備類型可用于安全分區(qū)的1區(qū)和2區(qū)；IIB為電氣設(shè)備分類，又分IIA，IIB，IIC分級(jí)其中IIC為氫氣防爆級(jí)產(chǎn)品；T3為溫度組別，它對(duì)設(shè)備得ZUI高表面溫度進(jìn)行分組，分T1--T6其中T6為設(shè)備ZUI高要求等級(jí)。

影響防暴對(duì)講機(jī)的價(jià)格因素

防暴對(duì)講機(jī)從PCB設(shè)計(jì)，元器件選用，電池安全設(shè)計(jì)等方面都有特殊要求和規(guī)范對(duì)生產(chǎn)對(duì)講機(jī)的廠家提出了更高要求。自然生產(chǎn)的對(duì)講機(jī)必然價(jià)格高于常規(guī)對(duì)講機(jī)也是當(dāng)然。

上一篇：移動(dòng)網(wǎng)絡(luò)覆蓋環(huán)境中衍生的POC對(duì)講機(jī) 下一篇：對(duì)講機(jī)的通信距離受哪些因素影響

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