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testo Saveris溫濕度無線傳輸測(cè)量系統(tǒng)(連續(xù)在線測(cè)量)

<P><SPAN class=newst><FONT face=宋體><FONT size=3><SPAN lang=EN-US>&nbsp; </P><P style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0"><SPAN class=newst><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋體">testo Saveris</SPAN></SPAN><SPAN class=newst><SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋體">溫濕度無線傳輸測(cè)量系統(tǒng)<SPAN lang=EN-US>(</SPAN>連續(xù)在線測(cè)量<SPAN lang=EN-US>)</SPAN></SPAN></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black"><?XML:NAMESPACE PREFIX = O /><O:P></O:P><o:p></o:p></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN class=newst><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋體">&nbsp;<SPAN style="mso-spacerun: yes">&nbsp; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN></SPAN></SPAN><SPAN class=newst><SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋體">實(shí)現(xiàn)自動(dòng)化的測(cè)量、數(shù)據(jù)歸檔,以及報(bào)警提示</SPAN></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black"><O:P></O:P><o:p></o:p></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;<SPAN style="mso-spacerun: yes">&nbsp; </SPAN><SPAN style="mso-spacerun: yes">&nbsp;</SPAN></SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">首個(gè)通過中國無線電管委會(huì)認(rèn)證的溫濕度監(jiān)測(cè)系統(tǒng)<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">testo Saveris</SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">測(cè)量系統(tǒng)用于測(cè)量環(huán)境及制程中的溫濕度值,該系統(tǒng)易于操作,其數(shù)據(jù)自動(dòng)記錄功能,確保了數(shù)據(jù)的安全性和測(cè)量工作的高效性。 <SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; <B style="mso-bidi-font-weight: normal">testo Saveris </B></SPAN><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">的應(yīng)用如下:</SPAN></B><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black"><O:P></O:P><o:p></o:p></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; - </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">在生產(chǎn)、品保、研發(fā)以及樓宇監(jiān)測(cè)等方面的溫濕度測(cè)量值的記錄和存檔<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; -</SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">溫濕度敏感產(chǎn)品存儲(chǔ)環(huán)境的監(jiān)測(cè),如貴重庫存、藥品及食品等<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; - </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">食品冷鏈<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; <B style="mso-bidi-font-weight: normal">testo Saveris</B></SPAN><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">系統(tǒng)總覽</SPAN></B><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black"><O:P></O:P><o:p></o:p></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; ISM</SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">頻段是專門開放給工業(yè)、科學(xué)及醫(yī)療行業(yè)使用的無線頻率波段。為取得更好的無線傳輸質(zhì)量,并考慮到數(shù)據(jù)的量以及數(shù)據(jù)安全性的特定要求,需達(dá)成一個(gè)特殊的無線傳輸協(xié)議。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; 2.4 GHz</SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">是中國境內(nèi)的頻率。通過使用這樣一個(gè)特殊的<SPAN lang=EN-US>ISM</SPAN>波段傳輸協(xié)議,可以滿足既定的長(zhǎng)期的且抗干擾的數(shù)據(jù)發(fā)布要求。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">德圖是首家申請(qǐng)了無線設(shè)備型號(hào)認(rèn)證的測(cè)量?jī)x器制造商。所有在中國境內(nèi)銷售的無線產(chǎn)品都必須通過該認(rèn)證。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; <B style="mso-bidi-font-weight: normal">testo Saveris</B></SPAN><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">無線探頭</SPAN></B><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black"><O:P></O:P><o:p></o:p></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">在對(duì)溫度和濕度進(jìn)行測(cè)量后,<SPAN lang=EN-US>testo Saveris</SPAN>無線探頭會(huì)自動(dòng)記錄并保存測(cè)量數(shù)據(jù),然后以固定的時(shí)間頻率將數(shù)據(jù)傳送至基站。但一旦有異常情況發(fā)生,數(shù)據(jù)超過設(shè)定值,無線通訊會(huì)立即建立,以便基站發(fā)出即時(shí)報(bào)警。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">無線連接采用雙向傳輸?shù)姆绞?,探頭和基站之間交互通訊。以固定時(shí)間頻率傳送數(shù)據(jù)的方式可以避免與其他無線系統(tǒng)發(fā)生干擾。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">若無線連接因受到障礙物阻擋而發(fā)生中斷<SPAN lang=EN-US>,</SPAN>系統(tǒng)會(huì)自行報(bào)警。探頭自帶的內(nèi)存<SPAN lang=EN-US>,</SPAN>可以確保即便連接中斷<SPAN lang=EN-US>, </SPAN>數(shù)據(jù)也不會(huì)丟失。優(yōu)化的電池設(shè)計(jì),可確保探頭內(nèi)存長(zhǎng)時(shí)工作。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">在開闊區(qū)域<SPAN lang=EN-US>,</SPAN>無線傳輸?shù)木嚯x約達(dá)<SPAN lang=EN-US><?XML:NAMESPACE PREFIX = ST1 /><ST1:CHMETCNV unitname="" sourcevalue="100" hasspace="False" negative="False" numbertype="1" tcsc="0" u1:st="on">100</SPAN><SPAN lang=EN-US></ST1:CHMETCNV>(2.4GHz). </SPAN>而在建筑物中,因受多種結(jié)構(gòu)條件的制約<SPAN lang=EN-US>( </SPAN>如墻體,冰柜門或金屬門等<SPAN lang=EN-US>)</SPAN>,傳輸距離會(huì)大受影響。我們可以采用路由<SPAN lang=EN-US>(Router)</SPAN>的方式改善無線連接。無線探頭有顯示和無顯示之分,可供用戶選擇。顯示器可顯示當(dāng)前測(cè)量值,電池狀態(tài)以及無線連接狀況。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; <B style="mso-bidi-font-weight: normal">testo Saveris </B></SPAN><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">以太網(wǎng)探頭</SPAN></B><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black"><O:P></O:P><o:p></o:p></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">除了無線探頭外,還可選擇以太網(wǎng)探頭<SPAN lang=EN-US>(</SPAN>可直接連入以太網(wǎng)<SPAN lang=EN-US>)</SPAN>。我們可以直接利用現(xiàn)有的局域網(wǎng)<SPAN lang=EN-US>(LAN)</SPAN>架構(gòu),從而實(shí)現(xiàn)數(shù)據(jù)的長(zhǎng)距離傳送。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">因使用電源供電,以太網(wǎng)探頭可持續(xù)使用,不受電池電量的約束。且即便電源或局域網(wǎng)連接發(fā)生故障,探頭自帶的內(nèi)存也可確保數(shù)據(jù)的安全。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">探頭帶顯示,顯示當(dāng)前測(cè)量值及探頭狀態(tài)等。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; <B style="mso-bidi-font-weight: normal">testo Saveris </B></SPAN><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">基站</SPAN></B><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black"><O:P></O:P><o:p></o:p></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">基站是<SPAN lang=EN-US>testo Saveris</SPAN>系統(tǒng)的核心。在獨(dú)立于<SPAN lang=EN-US>PC</SPAN>的情況下,每個(gè)測(cè)量通道都可以保存<SPAN lang=EN-US>40,000</SPAN>組讀數(shù),相當(dāng)于在<SPAN lang=EN-US>15</SPAN>分鐘的測(cè)量周期下一年的數(shù)據(jù)量。 基站配備了一個(gè)應(yīng)急電池,確??梢园l(fā)出報(bào)警提示,同時(shí)不會(huì)因電源故障而導(dǎo)致數(shù)據(jù)丟失。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">系統(tǒng)數(shù)據(jù)和警報(bào)提示可由<SPAN lang=EN-US>Saveris</SPAN>基站的顯示界面直接顯示。即便沒有與<SPAN lang=EN-US>PC</SPAN>相連,在超過設(shè)定值時(shí),基站也可通過<SPAN lang=EN-US>LED</SPAN>、<SPAN lang=EN-US>SMS</SPAN>短消息或繼電器輸出的方式發(fā)出警報(bào)提示。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">一個(gè)基站可連接多達(dá)<SPAN lang=EN-US>150</SPAN>個(gè)探頭,或<SPAN lang=EN-US>254</SPAN>個(gè)測(cè)量通道。基站可通過<SPAN lang=EN-US>USB</SPAN>或以太網(wǎng),與<SPAN lang=EN-US>PC</SPAN>相連,具有高度的靈活性和數(shù)據(jù)安全性。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; <B style="mso-bidi-font-weight: normal">testo Saveris </B></SPAN><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">軟件</SPAN></B><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black"><O:P></O:P><o:p></o:p></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">測(cè)量數(shù)據(jù)可由基站導(dǎo)入至<SPAN lang=EN-US>PC</SPAN>機(jī)中<SPAN lang=EN-US>. testo Saveris</SPAN>軟件的安裝相當(dāng)快捷<SPAN lang=EN-US>, </SPAN>使用安裝向?qū)?span id="ec6scek" class="html-tag"><SPAN lang=EN-US>,</SPAN>幾分鐘內(nèi)就可完成<SPAN lang=EN-US>.</SPAN>使用該軟件可迅速完成系統(tǒng)初始化及探頭配置的工作。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">所有的測(cè)量數(shù)據(jù)都可集中存儲(chǔ)在<SPAN lang=EN-US>Saveris</SPAN>軟件的數(shù)據(jù)庫中<SPAN lang=EN-US>,</SPAN>并可在任何時(shí)候<SPAN lang=EN-US>,</SPAN>以表格或圖示的方式進(jìn)行調(diào)用<SPAN lang=EN-US>. </SPAN>所有的報(bào)警提示均會(huì)以歷史記錄的方式列入表格<SPAN lang=EN-US>.</SPAN>軟件會(huì)依照設(shè)定的時(shí)間間隔自動(dòng)生成<SPAN lang=EN-US>PDF</SPAN>格式的報(bào)告<SPAN lang=EN-US>,</SPAN>簡(jiǎn)化了數(shù)據(jù)歸檔整理的工作<SPAN lang=EN-US>. </SPAN>同時(shí),年歷功能以及探頭分組功能的使用使軟件的操作變得相當(dāng)簡(jiǎn)單而直觀。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt"><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">用戶可以選擇<SPAN lang=EN-US>email</SPAN>或者是屏幕彈出的方式接收?qǐng)?bào)警提示。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">所有出售至中國境內(nèi)的無線模塊都需具備無線設(shè)備型號(hào)認(rèn)證,中國信息產(chǎn)業(yè)部規(guī)定,從<st1:chsdate w:st="on" IsROCDate="False" IsLunarDate="False" Day="1" Month="6" Year="1999"><SPAN lang=EN-US><ST1:CHSDATE year="1999" month="6" day="1" islunardate="False" isrocdate="False" u1:st="on">1999</SPAN><SPAN lang=EN-US>6</SPAN><SPAN lang=EN-US>1</SPAN></ST1:CHSDATE></st1:chsdate>,所有在中國大陸出售和使用的含無線模塊的設(shè)備都需具備該認(rèn)證。而隸屬于中國信息產(chǎn)業(yè)部的國家無線電監(jiān)測(cè)中心是國家唯一指定的認(rèn)證頒發(fā)和檢測(cè)機(jī)構(gòu)。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">很多公司認(rèn)為該認(rèn)證昂貴且毫無意義,但事實(shí)并非如此,該認(rèn)證旨在防止具有潛在危險(xiǎn)的或品質(zhì)低劣的產(chǎn)品流入市場(chǎng)。且因無線通訊產(chǎn)品是要連入國家基礎(chǔ)設(shè)施才能進(jìn)行工作的,所以需要確保正確且恰當(dāng)?shù)牟僮鳎苑缹?duì)整個(gè)無線網(wǎng)絡(luò)造成干擾和危險(xiǎn)。這是一個(gè)國際通則,中國當(dāng)然也不例外。進(jìn)口或供應(yīng)不合格或未經(jīng)認(rèn)證的產(chǎn)品都有可能遭到起訴,相關(guān)設(shè)備也會(huì)被沒收。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">德圖上海是首家申請(qǐng)?jiān)撜J(rèn)證的測(cè)量?jī)x器制造商。在經(jīng)過為期<SPAN lang=EN-US>8</SPAN>個(gè)月的準(zhǔn)備以及第三方服務(wù)供應(yīng)商的測(cè)試后,德圖上海于<st1:chsdate w:st="on" IsROCDate="False" IsLunarDate="False" Day="11" Month="2" Year="2009"><SPAN lang=EN-US><ST1:CHSDATE year="2009" month="2" day="11" islunardate="False" isrocdate="False" u1:st="on">2009</SPAN><SPAN lang=EN-US>2</SPAN><SPAN lang=EN-US>11</SPAN></ST1:CHSDATE></st1:chsdate>正式成功申請(qǐng)了<SPAN lang=EN-US>testo saveris</SPAN>的無線設(shè)備型號(hào)認(rèn)證。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">德圖的無線傳輸協(xié)議為何使用<SPAN lang=EN-US>ism</SPAN>波段<SPAN lang=EN-US>2.4 ghz</SPAN>呢?<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></B></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; ism</SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">頻段是專門開放給工業(yè)、科學(xué)及醫(yī)療行業(yè)<SPAN lang=EN-US>(industrial, scientific and medical)</SPAN>使用的無線頻率波段,這個(gè)波段內(nèi)的要求較少。為取得更好的無線傳輸質(zhì)量,并考慮到數(shù)據(jù)的量以及數(shù)據(jù)安全性的特定要求,需達(dá)成一個(gè)特殊的無線傳輸協(xié)議。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; 2.4 ghz</SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">是中國境內(nèi)的頻率。通過使用這樣一個(gè)特殊的<SPAN lang=EN-US>ism</SPAN>波段傳輸協(xié)議,可以滿足既定的長(zhǎng)期的且抗干擾的數(shù)據(jù)發(fā)布要求。配合其使用的無線發(fā)射模塊的特點(diǎn)是體積非常小巧且耗電量極低,從而延長(zhǎng)了電池的使用壽命,也大大降低了使用成本。<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; </SPAN><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">什么是以太網(wǎng)?<SPAN lang=EN-US><o:p></o:p></SPAN></SPAN></B></P><P style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; COLOR: black">&nbsp;&nbsp;&nbsp; ethernet</SPAN><SPAN style="FONT-SIZE: 10.5pt; COLOR: black">以太網(wǎng)是一個(gè)通訊標(biāo)準(zhǔn),是現(xiàn)代電腦局域網(wǎng)<SPAN lang=EN-US>lan</SPAN>的基礎(chǔ)。以太網(wǎng)的范疇涵蓋了僅含幾臺(tái)電腦的家庭網(wǎng)絡(luò),也涵蓋較大規(guī)模的公司網(wǎng)絡(luò)和工業(yè)控制系統(tǒng)。家庭使用的電腦要連入因特網(wǎng)也需使用以太網(wǎng)。<SPAN lang=EN-US><o:p></o:p>