执行器IC20-15Q3T芯科技，芯创新；72702130

如液位可以稳定在一定的范围，则故障在液位控制系统；如稳不住液位，一般为工艺系统造成的故障，要从工艺方面查找原因。差压式液位控制仪表指示和现场直读式指示仪表指示对不上时，首先检查现场直读式指示仪表是否正常，如指示正常，检查差压式液位仪表的负压导压管封液是否有渗漏；若有渗漏，重新灌封液，调零点；无渗漏，可能是仪表的负迁移量不对了，重新调整迁移量使仪表指示正常。液位控制仪表系统指示值变化波动频繁时，首先要分析液面控制对象的容量大小，来分析故障的原因，容量大一般是仪表故障造成。
ALLEN BRADLEY触摸屏 2711NL5
ALLEN BRADLEY触摸屏 2711NL6
ALLEN BRADLEY触摸屏 2711NL7
ALLEN BRADLEY触摸屏 2711NL9
ALLEN BRADLEY触摸屏 2711NM13
ALLEN BRADLEY触摸屏 2711NM15
ALLEN BRADLEY触摸屏 2711NM2
ALLEN BRADLEY触摸屏 2711NM232
ALLEN BRADLEY触摸屏 2711NR5K
ALLEN BRADLEY触摸屏 2711NR7T
ALLEN BRADLEY触摸屏 2711NV7K
ALLEN BRADLEY触摸屏 2711NV7T
ALLEN BRADLEY触摸屏 2711PB10C22A9P
ALLEN BRADLEY触摸屏 2711PB10C22A9PB
ALLEN BRADLEY触摸屏 2711PB10C22D9P
ALLEN BRADLEY触摸屏 2711PB10C22D9PB
ALLEN BRADLEY触摸屏 2711PB10C4A8
ALLEN BRADLEY触摸屏 2711PB10C4A9
ALLEN BRADLEY触摸屏 2711PB10C4D8
ALLEN BRADLEY触摸屏 2711PB10C4D9
ALLEN BRADLEY触摸屏 2711PB12C4A8
ALLEN BRADLEY触摸屏 2711PB12C4A9
ALLEN BRADLEY触摸屏 2711PB12C4D8
ALLEN BRADLEY触摸屏 2711PB12C4D9
ALLEN BRADLEY触摸屏 2711PB15C22A9P
ALLEN BRADLEY触摸屏 2711PB15C22A9PB
ALLEN BRADLEY触摸屏 2711PB15C22D9P
ALLEN BRADLEY触摸屏 2711PB15C22D9PB
ALLEN BRADLEY触摸屏 2711PB15C4A8
ALLEN BRADLEY触摸屏 2711PB15C4A9
ALLEN BRADLEY触摸屏 2711PB15C4D8
ALLEN BRADLEY触摸屏 2711PB15C4D9
ALLEN BRADLEY触摸屏 2711PB4C20A8
ALLEN BRADLEY触摸屏 2711PB4C20D8
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
R900368745   4 WEH 10 D2X/6AG12NETD/V/5
R900358435   4 WEH 10 D2X/6AG12NETZ4
R900388912   4 WEH 10 D2X/6AG12NETZ4/5
R900354240   4 WEH 10 D2X/6AG12NETZ4/B08
R900413035   4 WEH 10 D2X/6AG12NZ4
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
R900391304   4 WEH 10 D2X/6AG24ETZ5L
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 
R900357750   4 WEH 10 D2X/6AG24N9ETK4/T06
R900407723   4 WEH 10 D2X/6AG24N9ETS2K4
R900407724   4 WEH 10 D2X/6AG24N9ETS2K4 SO 388
R900361801   4 WEH 10 D2X/6AG24N9ETS2Z4
R900345018   4 WEH 10 D2X/6AG24N9ETZ4
R900387332   4 WEH 10 D2X/6AG24N9ETZ4/11
R900385199   4 WEH 10 D2X/6AG24N9ETZ4/B08
R900337664   4 WEH 10 D2X/6AG24N9ETZ5L
化学成分改变大，含水量改变也大。针铁矿α-FeO(OH)，含Fe62.9%。含不定量的吸附水者，称水针铁矿HFeO2NH2O。斜方晶系，形状有针状、柱状、薄板状或鳞片状。一般呈豆状、状或钟乳状。切面具平行或放射纤维状结构。有时成细密块状、土状，也有呈鲕状。色彩红褐、暗褐至黑褐。经风化而成的粉末状、赭石状褐铁矿则呈黄褐色。针铁矿条痕为红褐色，硬度5～5.5，比重4～4.3。而褐铁矿条痕则一般为淡褐或黄褐色，硬度1～4，比重3.3～4。

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