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DONGYANG F&C 氫氧化鈉自動閥
BDD-1000S BDD-1100S BDD-1200S BDD-1300S BDD-1400S BDD-1500S
BDD-2000S BDD-2100S BDD-2200S BDD-2300S BDD-2400S BDD-2500S
BDD-3000S BDD-3100S BDD-3200S BDD-3300S BDD-3400S BDD-3500S
BDD-1010S BDD-1110S BDD-1210S BDD-1310S BDD-1410S BDD-1510S
BDD-2010S BDD-2110S BDD-2210S BDD-2310S BDD-2410S BDD-2510S
BDD-3010S BDD-3110S BDD-3210S BDD-3310S BDD-3410S BDD-3510S

以熱脹條的熱脹冷縮為動力，使翼片產(chǎn)生突變動作，接通和斷開觸點，使轉(zhuǎn)向信號燈閃爍。電子式閃光器電子式閃光器結(jié)構(gòu)：由一個三極管的開關(guān)電路、電容器及繼電器所組成。電子式閃光器工作原理：電子式閃光器 2平行走線對濾波器的影響圖2平行走線對濾波器的影響接地和殼體這種情況也比較普遍。許多工程師安裝濾波器時，濾波器的殼體和機箱之間搭接不良(有絕緣漆);同時，使用的接地線較長，這將導致濾波器的高頻特性

BDD-1020S BDD-1120S BDD-1220S BDD-1320S BDD-1420S BDD-1520S
BDD-2020S BDD-2120S BDD-2220S BDD-2320S BDD-2420S BDD-2520S
BDD-3020S BDD-3120S BDD-3220S BDD-3320S BDD-3420S BDD-3520S
BDD-1001S BDD-1101S BDD-1201S BDD-1301S BDD-1401S BDD-1501S
BDD-2001S BDD-2101S BDD-2201S BDD-2301S BDD-2401S BDD-2501S
BDD-3001S BDD-3101S BDD-3201S BDD-3301S BDD-3401S BDD-3501S
BDD-1011S BDD-1111S BDD-1211S BDD-1311S BDD-1411S BDD-1511S
BDD-2011S BDD-2111S BDD-2211S BDD-2311S BDD-2411S BDD-2511S

均是金屬管狀（電熱管），并與鋁合金底板鑄成一體。，應(yīng)在上限的1/3～2/3之間；在測量腐蝕性介質(zhì)、可能結(jié)晶的介質(zhì)、粘度較大的介質(zhì)應(yīng)加隔離裝置；儀表應(yīng)經(jīng)常進行檢定（至少每三個月一次），如發(fā)現(xiàn)故障應(yīng)及時修理；儀表自出廠之日起。半年內(nèi)若在正常保管使用

BDD-3011S BDD-3110S BDD-3211S BDD-3311S BDD-3411S BDD-3511S
BDD-1021S BDD-1121S BDD-1221S BDD-1321S BDD-1421S BDD-1521S
BDD-2021S BDD-2121S BDD-2221S BDD-2321S BDD-2421S BDD-2521S
BDD-3021S BDD-3121S BDD-3221S BDD-3321S BDD-3421S BDD-3521S
BDD-1002S BDD-1102S BDD-1202S BDD-1302S BDD-1402S BDD-1502S
BDD-2002S BDD-2102S BDD-2202S BDD-2302S BDD-2402S BDD-2502S
BDD-3002S BDD-3102S BDD-3202S BDD-3302S BDD-3402S BDD-3502S
BDD-1012S BDD-1112S BDD-1212S BDD-1312S BDD-1412S BDD-1512S
BDD-2012S BDD-2112S BDD-2212S BDD-2312S BDD-2412S BDD-2512S

結(jié)線與壓變二次負載是否對應(yīng)。⑤一次結(jié)線與保護二次交直流回路是否對應(yīng)。⑥雙母線中停用一組母線，在倒母線后，應(yīng)先拉開空出母線上壓變次級開關(guān)，再拉開母聯(lián)開關(guān)。（現(xiàn)場規(guī)程有要求者除外，但事先必須書面 究熱點,論文數(shù)量逐年增加，應(yīng)用領(lǐng)域不斷擴大。分布供電方式具有節(jié)能、可靠、高效、經(jīng)濟和維護方便等優(yōu)點。已被大型計算機、通信設(shè)備、航空航天、工業(yè)控制等系統(tǒng)逐漸采納,也是超高速型集成電路的低電壓電源

BDD-3012S BDD-3110S BDD-3212S BDD-3312S BDD-3412S BDD-3512S
BDD-1022S BDD-1122S BDD-1222S BDD-1322S BDD-1422S BDD-1522S
BDD-2022S BDD-2122S BDD-2222S BDD-2322S BDD-2422S BDD-2522S
BDD-3022S BDD-3122S BDD-3222S BDD-3322S BDD-3422S BDD-3522S
BDD-1003S BDD-1103S BDD-1203S BDD-1303S BDD-1403S BDD-1503S
BDD-2003S BDD-2103S BDD-2203S BDD-2303S BDD-2403S BDD-2503S
BDD-3003S BDD-3103S BDD-3203S BDD-3303S BDD-3403S BDD-3503S
BDD-1013S BDD-1113S BDD-1213S BDD-1313S BDD-1413S BDD-1513S
BDD-2013S BDD-2113S BDD-2213S BDD-2313S BDD-2413S BDD-2513S
BDD-3013S BDD-3110S BDD-3213S BDD-3313S BDD-3413S BDD-3513S
BDD-1023S BDD-1123S BDD-1223S BDD-1323S BDD-1423S BDD-1523S

境；而且具有與光纖遙測技術(shù)的內(nèi)在相容性。光纖傳感器的優(yōu)點是與傳統(tǒng)的各類傳感器相比，光纖傳感器用光作為敏感信息的載體，用光纖作為傳遞敏感信息的媒質(zhì)，具有光纖及光學測量的特點，有一系列獨特的優(yōu)點 型變頻器。[7]3．按直流電源的性質(zhì)分類在交-直-交型變頻器中，按主電路電源變換成直流電源的過程中，直流電源的性質(zhì)分為電壓型變頻器和電流型變頻器。[7]給定方式變頻器常見的頻率給定方式主要有：操作器鍵

BDD-2023S BDD-2123S BDD-2223S BDD-2323S BDD-2423S BDD-2523S
BDD-3023S BDD-3123S BDD-3223S BDD-3323S BDD-3423S BDD-3523S
BDD-1004S BDD-1104S BDD-1204S BDD-1304S BDD-1404S BDD-1504S
BDD-2004S BDD-2104S BDD-2204S BDD-2304S BDD-2404S BDD-2504S
BDD-3004S BDD-3104S BDD-3204S BDD-3304S BDD-3404S BDD-3504S
BDD-1014S BDD-1114S BDD-1214S BDD-1314S BDD-1414S BDD-1514S
BDD-2014S BDD-2114S BDD-2214S BDD-2314S BDD-2414S BDD-2514S
BDD-3014S BDD-3110S BDD-3214S BDD-3314S BDD-3414S BDD-3514S
BDD-1024S BDD-1124S BDD-1224S BDD-1324S BDD-1424S BDD-1524S
BDD-2024S BDD-2124S BDD-2224S BDD-2324S BDD-2424S BDD-2524S
BDD-3024S BDD-3124S BDD-3224S BDD-3324S BDD-3424S BDD-3524S

 根據(jù)被測壓力的大小，而且還應(yīng)考慮被測壓力變化的速度，其量程需留有足夠的余地。使用壓力表測量穩(wěn)定壓力時，工作壓力不應(yīng)超過量程的2/3；使用壓力表測量脈動壓力，工作壓力不應(yīng)超過量程的1/2；使用壓力表 利用電感耦合讓電流隔離的輸入及輸出端可以傳遞訊號。電壓器及光電耦合元件是僅有二種提供加強保護的功能，同時保護設(shè)備以及使用這些設(shè)備的人員。這些設(shè)備在物理上只有單一的隔離層，但提供的保護相當于IEC