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產(chǎn)品名稱: | DWYER PMT系列粉塵濃度變送器 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
所屬類別: | 環(huán)保除塵系列 - DWYER粉塵濃度產(chǎn)品 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
所屬品牌: | DWYER | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
DWYER PMT系列粉塵濃度變送器詳細(xì)信息: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
產(chǎn)品名稱: PMT系列粉塵濃度變送器 產(chǎn)品型號(hào): PMT
兩線制4-20mA輸出 PMT系列粉塵濃度變送器是一款久負(fù)盛名、幾乎免維護(hù)的一款電荷感應(yīng)粉塵流動(dòng)檢測(cè)產(chǎn)品,能提供連續(xù)在線粉塵含量檢測(cè)和除塵設(shè)備粉塵泄漏檢測(cè)。 探頭工作原理:采用電荷感應(yīng)和探頭保護(hù)技術(shù),當(dāng)粉塵微粒流經(jīng)探頭附近的時(shí),微弱的電信號(hào)感應(yīng)進(jìn)入到探頭中,一個(gè)DSP數(shù)字信號(hào)處理器處理此感應(yīng)信號(hào),成為一個(gè)線性比例與粉塵威力質(zhì)量含量的輸出值。由于采用了探頭保護(hù)技術(shù)和電荷感應(yīng)技術(shù),確保該探頭能檢測(cè)各種潮濕粉末和高導(dǎo)電粉塵,傳感器為被動(dòng)型(無電源和電子電路),基本免維護(hù),非常耐用。 測(cè)量范圍:>0.3微米的任何顆粒 探測(cè)等級(jí):0.1PA 等效于0.1mg/m3, 0.5PA 等效于0.5mg/m3,5.0PA 等效于5.0mg/m3。 輸出:4-20mA 優(yōu)點(diǎn): 1.比傳統(tǒng)的摩擦電原理的粉塵探頭具有更高的可靠性 2.滿足美國(guó)國(guó)家環(huán)保局EPA認(rèn)證 3.對(duì)于各種腐蝕、粘稠氣體、水比較多,需要儀表本身比較耐磨損和防堵塞的場(chǎng)合. 應(yīng)用場(chǎng)合 各種管道氣體輸送粉料,氣體加壓運(yùn)輸?shù)纫约安即龎m(收塵設(shè)備),高爐余壓發(fā)電TRT粉塵保護(hù).嚴(yán)格和傳統(tǒng)的摩擦電原理粉塵探頭區(qū)分. 特性: Service: Air and compatible gases, any type particulate conductive or nonconductive. Wetted Materials: 304 SS and PTFE. Air Velocity Range: 300 ft/min and higher. Minimum Detection: Standard: 10.0 pA, Optional: 5.0 pA and 0.5 pA. Temperature Limits: Ambient: -15 to 160°F (-25 to 70°C); Process: Standard: -40 to 250°F (-40 to 120°C); Optional: -40 to 450°F (-40 to 232°C). Pressure Limit: 10 psi (0.69 bar). Power Requirement: 18-28 VDC (24V Nominal). Output Signal: 4-20 mA. Loop Resistance: 300 Ohms maximum. Current Consumption: Powered from 4-20 mA loop. Electrical Consumption: Terminal Block. Process Connection: See Model Chart on . Enclosure Rating: Weatherproof, NEMA 4X (IP 66). Mounting Orientation: Any. Weight: Varies with length of probe and type of mount. Agency Approvals: CE Ordinary locations only, CSA 選型表
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