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掃描儀UV7A4燃燒器火焰探測(cè)器,紫外線管由石英制成,充滿氣體,當(dāng)被火焰的紫外線輻射擊中時(shí)會(huì)電離。在沒有紫外線輻射的情況下,氣體在安裝在管內(nèi)的兩個(gè)電極之間充當(dāng)絕緣體。這些電極通過高電壓連續(xù)通電。
掃描儀UV7A4燃燒器火焰探測(cè)器
在燃燒過程中,紫外線輻射使氣體電離,導(dǎo)致電流脈沖在電極之間流動(dòng)。這些電流脈沖產(chǎn)生火焰信號(hào),該信號(hào)被傳輸?shù)娇刂破髦械姆糯笃鳎谀抢镞M(jìn)行處理以激勵(lì)或保持火焰繼電器。
掃描儀UV7A4燃燒器火焰探測(cè)器
Humidity: 85% RH maximum non-condensing UV1A3: * 1/2" NPT, 36" (915mm) shielded leads UV1A6: * 1/2" NPT, 72" (1830mm) shielded leads UV8A: 1/2" NPT, 72" (1830mm) unshielded leads, UV1A-1-CEX: 1 NPT, 1/2" NPT conduit cable entry UV2: * 3/8" NPT, 36" (915mm) shielded leads UV2A6: * 3/8" NPT, 72" (1830mm) shielded leads 45UV2-1020 1" NPT mount 60 Hz, 72" (1830mm) unshielded leads - OBSOLETE 45UV3-1050 3/4" Sleeve/setscrew mount, 72" (1830mm) unshielded leads UV90-3 36" (915mm) shielded leads UV90-6 72" (1830mm) shielded leads UV90-9 108 " (3660mm) shielded lead
掃描儀UV7A4燃燒器火焰探測(cè)器
HONEYWELL霍尼韋爾電眼:
C7015A1076,C7015A1092,C7015A1126,C7027A1023,C7035A1064,C7035A1023,C7035A1031,C7035A1056,C7035A1080,C7012A1160,,C7012A1186,C7012A1194,C7012C1142,C7012E1161,C7012E1278,C7012F1052,C7027A1031,C7027A1049,C7027A1064,C7027A1072,C7027A1080,C7061A1012,C7061A1038,C7061F2001,C7012A1145,C7012A1152,C7012E1104,C7012E1112,C7012E1120,C7012E1146,C7012E1153