新聞美國(guó)EI electronics-inc 70-24報(bào)價(jià)
低壓力損失設(shè)計(jì)，模塊化、智能化、卡件式指示器。新型ESK變送器與市場(chǎng)同步。引進(jìn)國(guó)外先進(jìn)計(jì)算軟件保證計(jì)算。介質(zhì)、粘度、密度、溫度、壓力多級(jí)修正。金屬管浮子流量計(jì)適用范圍廣，現(xiàn)在的流量計(jì)質(zhì)量都不差，但是在使用過(guò)程中還是會(huì)出現(xiàn)一些故障，在安裝和維護(hù)金屬管浮子流量計(jì)的方面一定要特別注意：1.金屬管浮子流量計(jì)是一款精密的流量?jī)x表，在運(yùn)輸、安裝的時(shí)候一定要輕拿輕放，不要使用蠻力，也不要隨便亂放。要保證指示器和傳感器的相對(duì)位置不能改變，如果相對(duì)位置發(fā)生改變，必然會(huì)影響到測(cè)量的精度。流量計(jì)需要及時(shí)進(jìn)行清洗。在長(zhǎng)期使用過(guò)程中，管道不可避免要有鐵磁性物質(zhì)吸附在浮子上，如果雜質(zhì)過(guò)多，會(huì)裝浮子卡死或影響測(cè)量精度，所以要對(duì)流量計(jì)的傳感器進(jìn)行清洗。如果流量計(jì)的入口處裝有磁過(guò)濾器，也要對(duì)磁過(guò)濾器定期清洗。清洗時(shí)必須將流量計(jì)或過(guò)濾器從管道上卸下來(lái)。儀表使用時(shí)應(yīng)緩慢開(kāi)啟和差閉閥門(mén)，以免儀表?yè)p壞。若開(kāi)啟流量計(jì)時(shí)，由于管道內(nèi)沒(méi)有壓力或系統(tǒng)還未達(dá)到儀表正常使用的工作壓力，必須緩慢開(kāi)啟控制閥，直到系統(tǒng)正常，低度表方可使用，否則容易造成指針跳動(dòng)或浮子的突然撞擊而損壞的現(xiàn)象。用于氣體測(cè)量時(shí)，應(yīng)保證管道壓力不小于5倍儀表壓力損失，以確保浮子工作穩(wěn)定性，要以在流量計(jì)出口安裝一個(gè)節(jié)流閥或適當(dāng)?shù)目装�。�?duì)電遠(yuǎn)傳及帶報(bào)警限位開(kāi)關(guān)的流量計(jì)在使用前，打開(kāi)儀表蓋，按接線(xiàn)圖正確接線(xiàn)。對(duì)于報(bào)警型的旋松限位開(kāi)關(guān)處的螺絲，用戶(hù)根據(jù)需要設(shè)定限位報(bào)警位置，并旋緊螺絲，復(fù)原合使用。用戶(hù)使用時(shí)，若被測(cè)流體的密度與水不同時(shí)，或被測(cè)氣體的參數(shù)和工作狀態(tài)與制造廠(chǎng)家規(guī)定不同時(shí)應(yīng)對(duì)流量計(jì)示值讀數(shù)進(jìn)生換算。
Eaton Moeller 222431 T5-2-8211/I5
FEAS Artikel-Nr.:583821
FEAS Netzteil SNT3612
STAHL 9160/13-11-11K
MD MICRODETECTORS MDI63A 1773
Gefran-2019 F021291 T4A-1-K-6-A-H 010X000X00000XA
Buhler NT.64EJ-MS-S6/370-2K-T70NC 液位傳感器
ADZ ADZ-SML-20.0 EMI SN:034041000
SCHNEIDER VDIBTOOL326
BLX定位器V100E-GM-D1-90-A-C1
CASAPPA 03954200 DIVIDER HDD35.90-ME+C3535-ME+90-ME+90-ME/ME+90-ME-N
PROFIHUB A5 PROCENTEC 16010 中繼器
LIKA編碼器MS4110/360AV2-6-2L1 AN D6MM
OMRON D5A-1100
SCHNEIDER LC1F6304F7
SCHNEIDER A9Z11263
SCHNEIDER E3SUPS40KHB1
HPI M2BAN5072HL20C05N
Eaton Moeller 170M2050
Stoegra SM88.1.18M4
SCHUMACHER 5340-0030
SCHNEIDER ZBY2426
BURGMANN SPU5000 CE EX II 2GD T4
heidenhain 376990-01 光學(xué)測(cè)量?jī)x零件（讀數(shù)頭）
PROSOFT MVI56E-SIE
MD墨迪 AH1/AN-2F
SCHNEIDER ATV340D15N4E
AVS 77-40FB-S1-50-C+85DA
STAUBLI MGK4VB10-14+MGK4R-M50
SCHNEIDER XCKS549ELEV1
ILME ILTM 3265 IT
ZIMMER MBPS2001GS1
Turck NI35-CP40-AP6X2 Nr.16025 接近開(kāi)關(guān)
OMRON E2B-M30KS10-WP-C1 2M
WALDMANN R70CE-12411144024VDC24W
STAUBLI B24592504
CASAPPA 03802135 03802141 HDP35.71D1-06S8-LME/MD-60F0-N-A-(U-30)
DOLD安全繼電器31366 MK3047/013 DC24V
SCHNEIDER LC1E0910E7
BANNER WLAW275X180DL22Q
RIEGLER LX 12
Micro-Epsilon PC1100-3
GITIESSE IMCOS 150 13169A
EMG EVK2-CP/800.71/L/R
E+E EE220-P6A1D07/T03
TESTBOY 37110122
SCHNEIDER KSA400DZCH43A
SCHNEIDER NSYPLAT776G
MD MICRODETECTORS LS4ER/30-030L
Eaton Moeller PV-200A-2XL
CIMON CM1-RD04A
REVO RD7006005000000
Econex AR2B2132-S 110V Control Motor
MTS RH-M-065-M-D70-1-S2G2100
SCHNEIDER XB4BP21EX
RIEGLER SP 18-1000SSD
Cummins Generator Technologies (formerly AVK) type:COSIMAT N FA:83404084-012
SMART MATERIAL M-2814-P2
GUTEKUNST VD-122A
DOLD安全繼電器47517 IL8805.02 DC24V
CUS00102 DM3401221-03/03 KA27-ED55/AM24DC
BERNHARD RINGLER RA50D3
LEUZE 50116791 K-DS M12A-MA-5P-3m-1S-PUR
UNIVER M1000200025
RIEGLER KV8SLST
continental hydraulics VA12M-3A-N-10-A-Y6367
cherry鍵盤(pán)G84-4400LUBEU-0
GEMU 514-65-D137-12
seneca VISUAL1E
SCHNEIDER ZBY2186
LEUZE 50104363 Reflexfolie 749x914mm-S
MD MICRODETECTORS PKW/0P-1H
MD MICRODETECTORS MDI63D 159
RAMEN TRADING AB 210-121-1002
BECKHOFF C9900-H589
LEUZE 53800258 RSL430-XL/CU429-300-WPU
CASAPPA 04042000 PORT CONNECTOR EP2-ED/N100-N (3DP)
RIEGLER 243.1003
供應(yīng)原裝進(jìn)口意大利VIVOIL齒輪泵 X1P3202FIIA
zimmer RBPS1000/02
Kuka 1FK7100-5AZ91-1ZZ9-Z;0000117606 電機(jī)
NORELEM NLM-07375-00640
FINDER繼電器223201201520PAS
小強(qiáng)工控 CARLO GAVAZZI MPFT15-M14-4
parker D1FVE02BCVXW25
OMRON NER-011660201G
SCHMERSAL 101144263 AZM 170SK-02ZRKA 24VAC/DC
KRAUS&NAIMER KG20B T206/40 KL11V
Eaton Moeller 255923 CI-K4-T5B-2-NA
SCHNEIDER UNYCSPSPULBU
BECKHOFF KS1408
AT458323 DM2D3121015/NS GS300026
小強(qiáng)工控 CARLO GAVAZZI RA2A23D25C
Turck FCS-GL1/2A4P-VRX/24VDC No.6870097
VMIC VMIVME-7807-141 no.M9750229
SCHNEIDER ALB45512
OMRON A22NL-BGA-TGA-G100-GC
SCHNEIDER XUSLNG5C0150
buhler nt 61-z0-atex
ECKARDT SR1986-BIDS7FAANA
OMRON A22NS-3MB-NGA-G221-NN
LAND Cyclops C100L（550-3000℃）
KROHNE OPTIFLUX4300C,DN50,4-20mA need install flange
EA NK741064
SCHNEIDER TM3SAC5R
CASAPPA 02004212 PLP20.11,2S0-54B2-LBE/BC-N
小強(qiáng)工控 CARLO GAVAZZI PS31L-NS11RO-T00
Gefran-2019 F071949 MK4-A-B-0200-P 0000X006X00X0XX
joventa DA1
UNIVER HZE1D15GSM
ETA 17-P10-SI
BANNER WLS27XY990DSQ
BLAU 16080-00-7001
DOLD安全繼電器52061 BA9837.12/010 20-60HZ UH AC42V
JUMO G1/4 （00049711）
BAMO Mesures SAS Typ 345355 BX930CT/Ti
STAUFF SLTS 12-0-2LH-B12-G048 11910000831
Eaton Moeller 169805 RASP-204AI1S0-C320S1
BECKHOFF ZK1090-3163-0021
RIEGLER N 135
OMRON E32-ET11-1 2M
domnick-hunter TE-H350
Bucher MTDA08-006M
woertz接線(xiàn)端子81525/4
Rexroth 4WRAE10W1-30-2X/G24N9K31/F1V
OMRON A22NW-3MR-TGA-G102-GE
LEUZE 50118799 CML730i-R20-1270.A/L-M12
OMRON J7KNG-10-10 60VDC
KSR KUEBLER LCIE01 ATEX6047X
SCHUNK 310411
FANDIS FF15A230UF
新聞美國(guó)EI electronics-inc 70-24報(bào)價(jià)
冬季溫度在℃以下，廠(chǎng)休息時(shí)請(qǐng)排凈產(chǎn)品內(nèi)的冷凝水，防止冰凍，造成管束破裂。管殼式換熱器安培時(shí)請(qǐng)參照安裝使用說(shuō)明及技術(shù)協(xié)議，產(chǎn)品安裝好試機(jī)時(shí)，請(qǐng)嚴(yán)格按照以下條件操作：〇1步打開(kāi)氟塑料（金諾達(dá)）換熱器管束內(nèi)的腐蝕性液體循環(huán)泵，使用時(shí)流通壓力.45mmPa。〇2第二步打開(kāi)管殼式外循環(huán)加熱（或冷卻循環(huán)）水泵，壓力.4mmPa。〇3使用時(shí)，換熱器管束式內(nèi)壓力始終管殼內(nèi)加熱及冷卻循環(huán)水壓力。防止管殼內(nèi)大于管束內(nèi)壓力，造成管束擠壓。
DOLD安全繼電器61305 BC7936N.38 AC/DC24V+AC42-48V 100S
Gefran-2019 F044080 TR1-B-1-B-1-A-I-B-2 020X000X00080XX
PARKER 12F-C12L-1/3-EPR-B
CEJ C.E. Johansson 8318-01003 FOR 30mm
MD MICRODETECTORS MDI58F 2229
DOLD安全繼電器26739 MK9054 DC15-150MV UH AC230V 5S
Phoenix 2775184 接線(xiàn)端子
OMRON D4MC-3030
OMRON VZAB0P7BAA
seneca MYALARM2 - MY2G
CASAPPA 00395002 DIVIDER PLD10/2/CS-GD/3,15-GC/3,15-GC/VPEF(160)GC
SCHNEIDER KTC1000ER75
UNIVER P10B733
SCHNEIDER KTC1600ZC41
VIPA FM250 250-1BAOO 總線(xiàn)模塊
AECO SIM000085 SMF30-C10 PNP NC LC5
STAHL 8003/111
SCHNEIDER ALB45690
Eaton Moeller 172767 P1-25/M4/SVB/HI11
Rexroth 4WRSE 6 V1-35-3X/G24K0/A1V
Electronicon E50.R16-404N10
BLOCK SVR45LR1SS
parker D91FSE01H4NLW040 油壓傳動(dòng)閥
Gefran-2019 F073026 TPHADA-N-D-E-B05M-T 2130X000A00
SCHNEIDER SDN2200921
OMRON R88A-CNEA01C-E
maxonNr. 205679
MONNINGHOFF 546.32.4
JUNG ACUKO6M24WW Hotelabdeckung Glas mit LED-Einheit 24 V Alpinwei?
BANNER SM312CV2MHS
CASAPPA 02012827 PLP20.14S0-54B2-ZBE/BC-N-EL
B&R Industrie-Elektronik GmbH 8CE020.12-1
SCHNEIDER ZB5FL2C0
SELET傳感器K01E30AOC5
Marchel GmbH 30999990
UNIVER R14050120M
CASAPPA 76515230 HDP35.71/35.71/35.50 D1
AMV-MESSGERAETE TH2/F1
SCHNEIDER XU2N18NP341W
CASAPPA 019987ND FRONT SECTION PLP20.11,2D0-82B2-LBE/BC-N-A FS AV
UNIVER S1011500250
BANNER BR13SM600
Eaton Moeller 197776 E57P-12SPC2-Q
GMW UMG 96 L / UMG 96
CASAPPA 02002900 MOTOR PLM20.11,2D0-46E2-LEA/EA-N-EL
MD MICRODETECTORS MDI58F 441
SIKA TLK43HVCRR-SK
SMW 16952
SCHNEIDER K115F013UP
SCHNEIDER NSYPLA12123
SCHNEIDER LC2D12KUE
CASAPPA WSP20.20-LGE/GD/20.14-LGE/GD D/FS
OMRON A22NS-3RB-NGA-G101-NN
HBM C16AC3/60T
woertz接線(xiàn)端子81535/4
BANNER STP-1
GEFRAN PS-20-C-0-472
900220.001 ST710-KHJV.16 PTC 12-24V K1K2K3 溫控器
Delta Controls W3101CD702A30 75~750mm H2O
小強(qiáng)工控 CARLO GAVAZZI ED5506NPAP-1
RITTAL 5840500
suco suco
SCHNEIDER A9Q81425
PARKER 8Z-C8L-75-BN-B
hydac 0950R005BN4HC
SCHNEIDER MGU6.803.57
供應(yīng)原裝進(jìn)口意大利VIVOIL齒輪泵 X3P8701AFFA
MOOG D954-2101-10
Gefran-2019 F067480 TC6-B-3-K-C-B-I-D-2 000X000X00510XX
Eaton Moeller JJN-60
Gefran-2019 F007680 ME1-6-M-B01C-1-4-E 2130X000X00
SCHNEIDER BRS39BH460FBA
Art.-Nr.
GUTEKUNST彈簧VD-165E
OMRON XW5S-S4.0-10
SCHNEIDER SRT1000RMXLI
DOLD安全繼電器53332 BA9053/010 AC2-20mA AC/DC24-80V
FEAS Netzteil SNT5012
小強(qiáng)工控 CARLO GAVAZZI EI3015TBCSL-6
REXROTH R900410876 ZDR 10 DP2-5X/210YM
CASAPPA 03782633 HDP35.71S0-06S5-LME/MD-N
SCHNEIDER EPH5800121
Penny&Giles Controls電位計(jì)JC1500-Y-A-PO-S-M-EL1-D0-CL-R-STN
HPI P1CJN2518HL33C05N
SELET傳感器B02EG3015PO
DOLD安全繼電器35583 BA7954.82 AC50/60HZ 127V 0,05-1S
CASAPPA 02004671 PLP20.31,5D0-82E2-LEB/EA-N-EL
小強(qiáng)工控 CARLO GAVAZZI CVTDINAV6DB03XX
小強(qiáng)工控 CARLO GAVAZZI PS31L-MT20N6-M00
SCHNEIDER MGU6.106.551
Indel AG IMP-DAC100310
SCHONBUCH IX551814-S5
Eaton Moeller 127067 DILEM12-10(24V50HZ)
BANNER QMH26VNAF200-5M
Eaton Moeller 180426 FRCDM-63/4/003-G/BFQ/60HZ
FSG PW70dA AN:1708Z03-065.011
GSR U2262400
小強(qiáng)工控 CARLO GAVAZZI PS21L-AT20LA-T00
Eaton Moeller 100417 SDAINLM16(24VDC)
ACAM PTSM 5.6 Sensor
SCHERZINGER FFDK 16P 50Y0
BUSAK+SHAMBAN PT0200420-T46N
Enda益噠 ETC4420-SM溫控器
Lovato BF38T2D024
Eaton Moeller 169878 XMW1206SWD
BARKSDALE 0405-330 B2T-M65SS
OMRON E2A-M30KS15-WP-C1 2M
REXROTH R901164534
BROSA AG M.-NO.1007001 1=8-36VDC DATE：08022008 2=4-20MA S.-NO.：08011200 X 3=GND 4=N.C. TYP 0201-1-0382-3 MEASUREMENT RANGE：0-9T
Jaquet - 4004000244 DSF 1810.00 S1TV
P+F PTB00ATEX2048X
LORENZ DR-2112 111765
Gefran-2019 F026002 800-RRRV-06001-000
MGV PH30-0505
MD MICRODETECTORS MDI63A 1439
sika VT1541VAIPN0A4
Gefran-2019 F009629 TCI-A-1-K-0-F-I 000X000X00300XX
英國(guó)ONDRIVES變速箱和減速器PF40-120AR
小強(qiáng)工控 CARLO GAVAZZI RSBT4032EV50
SELET傳感器OCV81/D2APSCMC5
CASAPPA FP40.87D0-06S8-LGG/GF-78A2-N-A-CF8
小強(qiáng)工控 CARLO GAVAZZI EI5515NPAP
CASAPPA 02005316 PLP20.31,5D0-82E2-LEB/EA-N-82E2
BANNER K50RPPBGRCQ
CARR LANE CLM-12-TP
SCHNEIDER XUK9LAPSMM12
AEG AMHE225SP4Q4 No. 30132399 001H
Baruffaldi DMS-08BF 控制器
Rosemount 2051TG3A2B21AB4M5_0-1.6MPa
RIEGLER 14.518-6
BURKERT 電磁閥163590
Paletti Profilsysteme GmbH & Co . KG SL0087N
OMRON VZA20P2BAA
Gefran-2019 F051246 1300-RDRR-01-0-0
UNIVER K2000320575M
Eaton Moeller 248389
RIEGLER 3615.014-8
MARECHAL GmbH sp 4544001
BONANI 3-TR63D4 T4P8C650
SCHNEIDER KTC1600ER71
Allied Vision K4100465 工業(yè)用單鏡頭反光型數(shù)字照相機(jī)
PSC56624型號(hào)UNIVER價(jià)格
MD MICRODETECTORS MDI63G 1721
OMRON NYP25-21282-15WC1000
BANNER TL50BLG1Y1C
SCHMERSAL 101055442 M1S 6600-11-K-Y
Penny+Giles JC6000-XY-PRR-M-S-NL-N-STN-A00D
KNF PU2386-N811-12.09
bauer BK10-31V/D09LA4-TF-D/C3
UNIVER RS4000500330
SCHMERSAL 101006355 EDR35BL
HAIMER D20 80.201.HG04.20
LEUZE 50137180 LE3C/6G-M8
hastings CROSS ARM TYPE SADDLES
BECKHOFF ZK1090-6161-0005
SCHMERSAL 101217791 TQ 700-02 S
Eaton Moeller 3-6ABCN223-15
新聞美國(guó)EI electronics-inc 70-24報(bào)價(jià)
發(fā)電機(jī)風(fēng)機(jī)噪音治理由漢克斯隔音為您提供：福建某小區(qū)居民投訴，地下室的發(fā)電機(jī)風(fēng)機(jī)噪音嚴(yán)重影響他們的正常生活，特別是晚上睡覺(jué)的時(shí)候，噪聲由為突出，要求進(jìn)行對(duì)地下室發(fā)電機(jī)風(fēng)機(jī)噪音治理，還居民一個(gè)舒適的生活環(huán)境。噪聲源分析：噪聲的產(chǎn)生主要是發(fā)電機(jī)和風(fēng)機(jī)作業(yè)時(shí)引起的機(jī)械動(dòng)力性噪聲和空氣動(dòng)力性噪聲。發(fā)電機(jī)風(fēng)機(jī)噪音治理方案概述：設(shè)置隔聲罩：為發(fā)電機(jī)增設(shè)隔聲罩，將噪聲控制的隔聲罩內(nèi)，有效降低發(fā)電機(jī)的噪聲量。安裝消聲器：在風(fēng)機(jī)口安裝消聲器，削弱風(fēng)機(jī)的噪聲。
Kuka 101732
CASAPPA 02004727 PLP20.4S0-49S1-LOC/OC-N-EL FS
小強(qiáng)工控 CARLO GAVAZZI PE12C1T15NC
parker RDM2PT35SVG15
widoberg 91 40° 103403
RIEGLER 226.02-15,5
STAHL MODEL NO:8571/11+12-409 明插座 附插頭 三極引掛附接地(3P+E) 耐壓防爆 單回路 220V x 32A 藍(lán)色
Eaton Moeller 170570
SCHNEIDER A9F03463
SCHNEIDER XS4P12NB340
C.E.M.E ET 3009 25NNVN123H095EZ
SCHNEIDER HMIZD59W
DI-SORIC OGU 080 P3K-TSSL
CASAPPA 03564024 KP20.6,3D0-82E2-LEA/EA-V-BZ
SCHNEIDER MTN290344
PARKER 12F-C12L-1-EPR-B
LIKA編碼器ES5812/BY-12-L1 PARAL D12MM
SCHNEIDER KNT06YA4
ZIMMER MK2501A
CASAPPA FP30.82S0-19T1-PGF/GF-N
Jokab 2TLA030054R0100
Gefran-2019 F054021 ME1-6-M-B35D-1-4-G 2130X000X00
SCHNEIDER PCSP300D5N12
GREISINGER GMH 3410 升級(jí)為GMH 3431
TMEIC AB933J
BANNER TL50HBRYG
SCHNEIDER ZBZ35
NORELEM 03182-010
Eaton Moeller 171322 SL4-L120-W
GUTEKUNST彈簧D-245
OMRON A22NN-RPA-NBA-G202-NN
ALRE JZ-007.001
schiedrum hydraulik 20KS-1M15 流量控制閥
PEDAK M2-1VR5B.0001.572AD MONTWILL
Electronicon 275.166-502200
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KEB 17U5B0G-3000
PARKER 4M-C4L-100-EPR-SS
Eaton Moeller 243236
Eaton Moeller 170589
HBM K-T40B-200Q-MF-S-M-DU2-O-U
BARKSDALE 0428-130 SW2000/200BAR/1SP/4-20MA（Barksdale）--SW2000 CP38-020E
LEUZE 50112118 HRTR 2/42D-30F
OMRON SX-D4045-EF-C
TOGNELLA FT 251/5/SG01G38
MD MICRODETECTORS MDI63G 216
Eaton Moeller 114592 XVTL-MP/BX/IC-8/5/20
BURKERT 電磁閥171083
BANNER SLLCR23-1820P8
FINDER繼電器606290060000
CASAPPA HDP30.27-32-LGG/GE/30.27-LGE-M1 D
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BANNER IVU2TBI16
Gefran-2019 F066775 TC6-D-1-J-C-A-J-D-2 000X000X00050XX
BANNER T18SP6FF100QP-66112
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EA MGMG2S122241025
MD MICRODETECTORS MDI58C 1922
Turck WAS4-2/P00，Nr.8007097
RELECO C5-M10FX/DC220V R .
BURSTER 8739-5010-V501
SELET傳感器B01N122PSC
Gefran-2019 F047060 TR1-B-2-B-2-A-I-B-1 030X000X00100XX
BANNER BA2.52.5S
SWAN CNA-82.209.011
DEMAG DSC-S 77350044 SN006929
Gebr. Steimel GmbH & Co. SF 2/8 RD
ROEMHELD 3921-017
KOBOLD DF 12 B R10 ZLK3 4
Saia Burgess 195191-031
LIBE R0314
Gefran-2019 F063321 TC1M-A-1-K-2-F-B 040X000X00550XA
Gelbau 250.06Z ID:3002.5006Z
BANNER BRT-TVHG-.3X1.0-77407
OMRON SGLGM-40225-CT
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MD MICRODETECTORS MDI58F 268
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Eaton Moeller 136692
RIEGLER 3363.04
PHOENIX PLCBSC5DC/21
SAUTER 87776
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MD MICRODETECTORS MDI58C 1371
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Eaton Moeller 216553 M22-H6
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EISELE 34-0406K
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Eaton Moeller 800NHG4G 500 V 800 A NH4 SICHERUNG AG
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OMRON XW6T-COM1.5X8BLFINDER繼電器405190070300
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但是,由于該辦法煩瑣易行,目前仍為許多廠(chǎng)礦企業(yè)所采用。噪聲法水泵汽蝕時(shí)會(huì)產(chǎn)生噪聲,一些研討人員應(yīng)用聲壓傳感器作探頭,置于距離泵體一定間隔的位置上,當(dāng)泵內(nèi)汽蝕開(kāi)展到激烈階段時(shí),汽泡幻滅時(shí)的噪聲經(jīng)過(guò)泵體,傳到泵外,傳感器拾取信號(hào),并對(duì)其停止噪聲頻譜剖析,判別能否已經(jīng)汽蝕。文獻(xiàn)口應(yīng)用可聽(tīng)局部聲信號(hào)對(duì)水泵汽蝕毛病停止了診斷。振動(dòng)法應(yīng)用加速度計(jì)作為探頭,將其固定于泵殼或泵軸上,采集泵內(nèi)的振動(dòng)信號(hào),把由電機(jī)、離心泵、風(fēng)扇等惹起的振動(dòng)視為背景振動(dòng)信號(hào),由汽泡決裂引起的振動(dòng)信號(hào)作為汽蝕毛病信號(hào),并對(duì)其停止后處置包括頻潛剖析、倒頻譜分析、小波剖析等,從而判別泵內(nèi)能否發(fā)作汽蝕。
