執(zhí)行器IC20-15Q3T芯科技，芯創(chuàng)新；72702130
如液位可以穩(wěn)定在一定的范圍，則故障在液位控制系統(tǒng)；如穩(wěn)不住液位，一般為工藝系統(tǒng)造成的故障，要從工藝方面查找原因。差壓式液位控制儀表指示和現(xiàn)場直讀式指示儀表指示對不上時，首先檢查現(xiàn)場直讀式指示儀表是否正常，如指示正常，檢查差壓式液位儀表的負壓導壓管封液是否有滲漏；若有滲漏，重新灌封液，調零點；無滲漏，可能是儀表的負遷移量不對了，重新調整遷移量使儀表指示正常。液位控制儀表系統(tǒng)指示值變化波動頻繁時，首先要分析液面控制對象的容量大小，來分析故障的原因，容量大一般是儀表故障造成。
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BALLUFF INDUCTIVE SENSOR RPTA 1803-PU-03 *NEW IN BAG*
BALLUFF PROXIMITY SENSOR BES516-3017 BES5163017 E4-C-PU 10-30 V DC 150mA
BALLUFF PROXIMITY SENSOR BES516-3017 BES5163017 E4-C-PU 10-30 V DC 150mA
Balluff Photoelectric Emitter BLS 65K-1-G50-1
Balluff BTL5-M-2814-1S Transducer BTL5M28141S
alluff BTL5-M-2814-1S Transducer BTL5M28141S
Balluff BCSM18KM3-PSC80G-S04G Cap Active 24Vdc Proximity Switch BCSM18KM3 - USED
Balluff BCSM18KM3-PSC80G-S04G Cap Active 24Vdc Proximity Switch BCSM18KM3 - USED
BALLUFF INDUKTIVSENSOR BES 516-370-G-ES-Y-S49 OVP
BALLUFF BES 516-324-G-E4-C-PU-03, INDUCTIVE SENSOR, SENSING RANGE: 2MM, #233488
1 NIB BALLUFF BLS-18K-XX-1J-B1-L2 BLS18KXX1JB1L2 PROXIMITY SWITCH
BALLUFF P/n BES M12EG1-PSC60Z-S04G-S11
Balluff BES 5-6-3008-G-E4-C-PU-05 1.5mm N.O. Inductive Proximity Sensor
BALLUFF BESM12MD1-NSC60B-S04G PROXIMITY SENSOR *NEW IN FACTORY BAG*
BALLUFF BOS 18M-WO-7RB-BO-L PHOTOELECTRIC SENSOR 20-50VAC 45-65HZ
BALLUFF M12 2MM PROXIMITY SENSOR, RXT-1202-PU1 *NEW*
BALLUFF M12 2MM PROXIMITY SENSOR, RXT-1202-PU1 *NEW*
BALLUFF BES 516-324-G-E4-C-S49-00,2 INDUCTIVE SENSOR 10-30VDC 200MA, NEW #165298
BALLUFF 779685, BNS 542-B02-D12-72-10-FD-L2, Positionsschalter - NEU
BALLUFF BES 516 343-G-E5-C-S49 BES00TY *NEW* PROXIMITY SWITCH 10-30V DC
Balluff BES-516-209-S21-E Sensors
R900414568 4 WEH 10 D2X/6AG110NZ5L
R900358832 4 WEH 10 D2X/6AG12NETD/5
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R900354240 4 WEH 10 D2X/6AG12NETZ4/B08
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R900352457 4 WEH 10 D2X/6AG196NETZ5/B08
R900416922 4 WEH 10 D2X/6AG220NTSZ5L
R900409160 4 WEH 10 D2X/6AG220NZ5L
R900499329 4 WEH 10 D2X/6AG24ETSZ4
R900499805 4 WEH 10 D2X/6AG24ETZ4
R900379586 4 WEH 10 D2X/6AG24ETZ4 SO 388
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R900340294 4 WEH 10 D2X/6AG24EZ4
R900341743 4 WEH 10 D2X/6AG24N9ES2Z4 SO 388
R900483957 4 WEH 10 D2X/6AG24N9ETK4
R900492630 4 WEH 10 D2X/6AG24N9ETK4/B08
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R900407724 4 WEH 10 D2X/6AG24N9ETS2K4 SO 388
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R900345018 4 WEH 10 D2X/6AG24N9ETZ4
R900387332 4 WEH 10 D2X/6AG24N9ETZ4/11
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化學成分改變大，含水量改變也大。針鐵礦α-FeO(OH)，含F(xiàn)e62.9%。含不定量的吸附水者，稱水針鐵礦HFeO2NH2O。斜方晶系，形狀有針狀、柱狀、薄板狀或鱗片狀。一般呈豆狀、狀或鐘乳狀。切面具平行或放射纖維狀結構。有時成細密塊狀、土狀，也有呈鮞狀。色彩紅褐、暗褐至黑褐。經(jīng)風化而成的粉末狀、赭石狀褐鐵礦則呈黃褐色。針鐵礦條痕為紅褐色，硬度5～5.5，比重4～4.3。而褐鐵礦條痕則一般為淡褐或黃褐色，硬度1～4，比重3.3～4。
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