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當(dāng)前位置:上海歐戟貿(mào)易有限公司>>備品備件>>進(jìn)口>> 歐戟進(jìn)口KNF全系列16.7122907

歐戟進(jìn)口KNF全系列16.7122907

參  考  價(jià):14000
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    上海市

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46AE 14000元 200件可售

更新時(shí)間:2021-06-10 17:09:04瀏覽次數(shù):755次

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歐戟進(jìn)口KNF全系列16.7122907
上海歐戟貿(mào)易有限公司
歐戟控制設(shè)備(上海)有限公司是歐美備件服務(wù)供應(yīng)商。歐戟優(yōu)勢供應(yīng)德國工控產(chǎn)品。只要是德國及歐洲的產(chǎn)品,只需您提供產(chǎn)品的名稱、型號及規(guī)格,我們都能在德國為您買到,并送貨到您手上,低價(jià)優(yōu)購。

歐戟進(jìn)口KNF全系列16.7122907

歐戟進(jìn)口KNF全系列16.7122907

上海歐戟貿(mào)易有限公司

歐戟控制設(shè)備(上海)有限公司是歐美備件服務(wù)供應(yīng)商。專注于進(jìn)口機(jī)電設(shè)備、儀器儀表等進(jìn)口設(shè)備。

我們的客戶來自汽車(一汽大眾、一汽解放、北京奔馳、奇瑞),汽車下游(大陸汽車、卡斯馬、華域、麥格納),鋼鐵(武漢鋼鐵、山西太鋼、寶鋼),食品(百威、旺旺),能源(中石化、中石油)等多個行業(yè)。

公司總部位于德國法蘭克福,美國芝加哥和中國上海設(shè)立分部,可直接與德國、法國、意大利瑞士等千余家廠家進(jìn)行高效快捷的溝通合作。

美國Progress Chemical Inc.化學(xué)制劑中國區(qū)代理

 

優(yōu)勢品牌

傳感器HBM、Baumer、KIMOGE、KistlerLorenz、SenoTec

開關(guān)SUCO、Euchner、LayherSchmersal、Contrinex、Schneider

工業(yè)閥門ParkerBucher、MoogIMAV、AVENTICS、Gemue

工業(yè)泵Parker、Bucher、Moog、Kracht、VogelHawe

電機(jī)驅(qū)動Bosch、Bonfiglioli、Jahns、VEM

夾具模具Zimmer、Schunk、OTTPHD、robohand、BergRud

儀器儀表Wika、Jumo、GMC、Phoenix、GOSSENWarmbier

電氣元件Siemens、B&R、VipaPuls、Murr

 

上海歐戟貿(mào)易有限公司

歐戟控制設(shè)備(上海)有限公司是歐美備件服務(wù)供應(yīng)商。歐戟優(yōu)勢供應(yīng)德國工控產(chǎn)品。只要是德國及歐洲的產(chǎn)品,只需您提供產(chǎn)品的名稱、型號及規(guī)格,我們都能在德國為您買到,并送貨到您手上,低價(jià)優(yōu)購。

 

 

KNF16.7122907
pizzatoFR 992-D3
HoentzschS.No.md3 3209 350℃ stick=55cm mit 185cm cable
VacuumschmelzeT60404-N4646-X210
VacuumschmelzeT60405A6161X00380
VacuumschmelzeT60405-A6166-X02180
GEAM25 50 L2G2X Nr.25821051006002
parker3339121250
parker391_2882_058
Herion1811612
KEMSRZ100 ST R V
MICRONB075RFD34XJ
Dopag400.25.94A
rvmunRED-38
GEFRANKS-E-7-E-B07C-M-V-530
MEAN WELLRS-150-24
miniBOOSTERHC2-2,0-B-1 s-nr:5908565
HOGFORS465 KC 25 PN40
speckSAP-4.0005
HeliosG2 0/52 400V 1300W L800MM 0207
SHEFFER3255915-1 0.2 50MA-FF-0012
HEWDEX71L/2K NO:201163575 PTB 10 ATEX 1040X
BuschRA 0202 D56
Nordson7015583
RANCOG1P-9854-000
RANCOHL20211C0R001
LORENZK11-500KN
LORENZK13-500N
LORENZK1613-10KN
LORENZK450-500KN
VEGAVEGAPULS68.XXDAEHHWMAX(VEGAPULS-SR-68-2-20-mA; 2 wires technology 12...36Vcc)
ILMVAC400732
INTORQBFK458-18
INTORQBFK458-18N,24VDC,150NM Nr:00520230
VALVOLE HOFMANNIPN420-0220
IntermotNHM1-3500H6B 012111178
CRSAFS Purifier I 202910
MurphyEL150EX
MurphyVS2
LBF LUFTTECHNIK15029571
LBF LUFTTECHNIK15042899
LBF LUFTTECHNIK15042902
LBF LUFTTECHNIK15083025
MESAmECS-101
sewDV100L4/BMG Nr.25.58034813.01.0002.11.03 3KW M1A 1400r/min
BERNSTEINCC-4000 SL
Gruppo Inox SpAEN1092-1 DN15/PN16 HOLE Ø22 AISI304
Gruppo Inox SpAEN1092-1 DN20/PN16 HOLE Ø27.5 AISI304
ROMHELDNr.1942-898
HERZOG5-2101-103111-1
HERZOG5-3614-102987-5
BelloframT1000 961-117-000
MISCOSP00839 G83-6104LUNEU-0 LAYOUT : US-ENGLISCH
VEMK21R 63 K 4
HoneywellDC3201-CE-0A0R-110-1000-E0-0
OMALNR.D100H005
OMALNR.D101H004
OMALNR.D153H005
Hilma6.4604.6200 30.09
HAROWE15BRCX-604-AL46AA
parkerC3H090V4F10I10T10M00
parkerC3H155V4F10I10T10M00
SommerSGW25NC
MARTONAIRM/920/300 +5℃~+80℃ 2-10 bar/air
LEEC855UF00500S
ODU026.548.400.440.000
ODU310.010.000.642.000
ODU310.025.000.642.000
ODU310.703.150.037.000
ODU310.803.150.037.151
atornNO41550006
KukaP800/63 H10/200/S-AT-1MF 05565.10.00.02.93
elwaNr.974904
festoVUVG-L14-M32-MT-G18-1R8L-C5
INFICON525-003 SL3000-10M
Kistler Instrumente GmbH1631C2
Kistler Instrumente GmbH1631C5
Kistler Instrumente GmbH5073A111
Kistler Instrumente GmbH5995A
Kistler Instrumente GmbH9212
HonsbergFF-015GR012S-122 9.0ml/min
KUEBLER8.5873.5422.G321
brinkmannSTA 403/650-56G+48
Bussmann170M3461 80A 690VAC
HYDROVENPHP 200/19 DC001 200bar 1500min-1
GAMET UK113060/113100HE-10
GAMET UKQ110050/110100P
GEFRANKS-E-E-Z-B04C-M-V-530
NACHI99B5896JI-027
HonsbergHD1K-025GK060-714
ODUS12L0C-P08MJG0-7200
Binzel246.0196.1
brinkmannTC63/350+001
NeugartPLE 60 2021928
ODU170.541.700.201.000
ODU172.582.100.201.000
ODU182.582.000.301.000
WattTYPE:7WAF 101 L4 TH TF
FEINABS14C
CONCEPTI4-8-200-UV IT CONCEPT
NorgrenDRUSCHA R07-100-RNKG-NORGREN
NorgrenVEN 11-818-100-NORGREN
NorgrenWINKEL 18-025-003-NORGREN
Schneider"RmCU V 3.4, Schneider Electric Edition, 65 unit loads (Mbus), Power supply, preconfigured, Zolltarifnummer: 8517 6990"
asco833-354701020
mtsRHS0045UD701S1G601
pallHCY-138400FKS16H
ASMWS10-1000-420A-L10
Joslyn ClarkCAT.NO.5DP7-6050-22
FoxboroFBM201
FoxboroFBM203
FoxboroFBM207C
FoxboroFBM237
FoxboroFBM242
FoxboroFCP270
FoxboroP0916AA
FoxboroP0916AE
FoxboroP0916CC
FoxboroP0916JY
FoxboroP0917MF
FoxboroP0922YU FPS 400-24
FoxboroP0926JM
FoxboroP0926MX
FoxboroP0931RM(2.0m)
FoxboroP0973CN
motronaGV470
motronaUF251
BucherLBVN12-G00-660- (15/RS/0.35/0.00/0/SVO/N)
BucherLBVN12-P00-890- (15/RS/0.40/0.00/0/SVO/N)
BucherLBVN20-P00-860- (010/RS/0.40/0.00/0/SVO/N)
MADER225222 VSSN-G1/2I-MS
Motor Powerrok31 fq1 s10 sx
HATZ2M41 ID:0000 400 653 00
GATUAM 49/1
MikroPulPART NUMBER.0405100063
Nordson1122064
Nordson1123926
Nordson7126361
gwkQUANTEC 100 ADC,DSQ-100R
CAMLOCSWV6P1100135PIL-400N194117
albertSpindelgetriebe motor SGT 50 400V 1,1KW 1200mm M0137599.08
Dopag400.25.94
Dopag401.09.01
Dopag415.01.73
Dopag415.01.75
HOMMEL-ETAMIC GmbHTPE 99-1
GemsS1ELS-1100FLG
brinkmannA403/450-Z+800
brinkmannFFS6127 15BAR SN:12734
OMALV376XV69 , DN100
OMALV376XV69 , DN50
clampco998JQ-0562 H05
HOMMEL256390
MRType ED100S no 1006178
TelemecaniqueXVA-LC3
prosoftMVI56-ADM
Herion1/2"-8112277.24VDC WITH 24VDC COILS AND 5 PIN MINI CONNECTORS
Heraeussensor for Checkmate III
mag002.011.005.011 591117
h2 mechatronic systems gmbhSSK2-A-V10
KLINGER050 F3/5 Q09
KLINGERDN15 , 64bar , MG1241
KlaschkamAS/L/A-m18r-II/9KK
optek1203-004-0021-02
ODU170.541.700.201.000.
ODU172.582.100.201.000.
ODU182.582.000.301.000.
HAAKEHS 10.75
Kytola2914D3/VL
Kytola2914D6/VL
parker6102N-0A1-BX
GFGCS-21,No.11111350
G3 Electronic Technologie GmbHLF/SKL 6-8
HoneywellMC-TAMR03/51309218-175
IXYSDSEI2x101-12A
IXYSDSEI2X101-12A
ROEMHELD1472-816
ROEMHELD1896-091
ROEMHELD1896-092
ROEMHELD1896-1020-90M
ROEMHELD18961020M75M
ROEMHELD18961021P75M
ROEMHELD1896-1022-75M
ROEMHELD18961024M75M
ROEMHELD18961025P75M
ROEMHELD1896-1026M45M
ROEMHELD1942-017
ROEMHELD1953-844
ROEMHELD1955-860
VerderVGS330.07
LI-BEMR.005
Mecano49477300
Mecano49622001
Mecano49626600
Mecano49627000
Mecano49854012
Mecano9472001
BUKHBUKH610D0201DV29 RME
BUKHBUKH610J0050DV29 RM
SIEMENS1LA9133-4KA91-Z 50Hz 400V 7.5kW 14.5A with plug
JOUCOMATIC54191023;LS22084
JOUCOMATICIS04 544 00 008DIRECTIONAL
SIEMENS1P6FC9320-5DC01
SIEMENS840D NCK
HABORHBP-F20-A0-01-2
AshcroftG2-7-MO1-42-M2-3000#-G
BaslerJYbasilePIA32gm
AlphaD671F16C-DN100
AlphaD671F16C-DN50
SIEMENS6SL3120-1TE23-0AA3
ROMHELDNr.1942-898
Rexroth4WE10E73-3X/CG24N9K4 R900929478
BLITZ109362_Junior Jack 2 S2
AMKKES120
AMKKW60-R03
ArisNr 9843-42249-01006 typ WAK 3012
LUTZEPart No.:110941 LÜTZE SUPERFLEX® PLUS (C) PUR SERVO Feedback cables cULus, (2×1.0 + 4×2×0.25)
KTRROTEX GS 19 12-20
DELIMON PUMPASSY-CODE6000/M-150-5-30I
AQUAFLEX GmbHP3-10B-AQKOMNR:HD-11007348/1
ATP Hydraulik AGArtikel-Nr. 750 313 202
SIEMENS6EP1931-2FC42
SIEMENS6EP1436-3BA00
BARKSDALEUDS7-2-1-56-2-2-5
Bosch RexrothR6.0GA60Z0M
AutomationDirectC5D-AN-3A
Angst+Pfister GmbH1,78x25,12 / 2100 VITON
Angst+Pfister GmbHGASKET OR 3,53x36,10 / 4143 BUNA
Angst+Pfister GmbHMETRIC OR GASKET 5x18 / ORM 0180-50 BUNA
Angst+Pfister GmbHOR GASKET 1,78x25,12 / 2100 BUNA
BLUE OIL srl1/2'' L=10m ETHYLENE
BLUE OIL srlK400 F00976WOA
BOSCHHM18-1X/350-V-R/V0/0
BAUERBG80-11/D16LA42-S/Z100B7/SP ,No:E2083209-1 A/170N3655,ID:0040294
BAUERBK50-54VL/D09LA4-S/E008B9/SP NO:E2077168-1 A/171F5979 ID:6003263
CEJN10 320 5151
CEJN10 320 5152
CEJN10 320 5154
CEJN10 320 5155
KTRROTEX-GS 28 92SH A-GS 2.6-¢22 2.6-¢17
KTRROTEX-GS 28 92SH A-GS 2.6-¢22 2.6-¢20
KTRROTEX-GS 28 92SH A-GS 2.6-¢22 2.6-¢25
SIEMENSH2SH09A 4503225465.24.001
SIEMENSH2SH10B 4503225465.24.001
SIEMENSH2SH11B 4503225465.22.001
SIEMENSH2SH14A 4503225464.27.001
SIEMENSH2SH14B 4503225465.21.001
SIEMENSH3SH15A 4503225465.20.001
SIEMENSH3SH15B 4503225465.26.001
SIEMENSH3SH17A 4503225465.19.001
SIEMENSH3SH17B 4503225465.25.001
LantronixXDIRECT-IAP
LantronixXPRESS-DR-IAP
Ac-motorenTyp FBA 132SB-4 No.0610086
Ac-motorenTyp FCA 132Sb-4 No.09070030
CFW40-68-10/7
MERKEL100x2,88NBR156,60288
MERKEL100x5,4388
MERKEL100x5,72NBR872 4388
MERKEL112x4,72NBR872 4649
MERKEL130x 142x 11,P8224.410
MERKEL130x 160x 19,TM20 8004-370486
MERKEL145x5,88NBR156,407771
MERKEL160 x 175 x 16,PU6 005.025
MERKEL160x185x40,ES 220.069
MERKEL160x5,88NBR156,60347
MERKEL180x5,72NBR872 5509
MERKEL190x5,72NBR872,5575
MERKEL210x3,72NBR872,5690
MERKEL210x5,72NBR872,5705
MERKEL220x190x33.5,EK085.858
MERKEL250x8,72NBR872 5851
MERKEL280 x 300 x 18,PU6 005.093
MERKEL280 x 310 x 50.5,ES 219.179
MERKEL290x5,72NBR872 5990
MERKEL30 x3,72NBR872 444517
MERKEL300 x 270x 33.5,EK266.550
MERKEL380x10,72NBR872 6154
MERKEL400x360x41.5,EK 061.431
Boehmer1''G FF MLG V 032.725
Boehmer3/4''G FF MLG V 032.720
Boehmer3/8''G FF MLG V 032.710
BoehmerDN10 3/8'NPT FF EBG V025.810-2
BoehmerDN16 1/2''NPT FF EBG V025.816-2
BoehmerDN6 1/4''NPT FF EBG V025.806-2
BOLLFILTERTYP 4.46.2
burocco1'' FF GAS PTFE CLOTH 50/100u
burocco1/2'' CODE 7GAD3QA5K1
burocco50/100u CODE 7GAD3QA5K1
buroccoFFL PTFE 50/100u
SANDPIPERS15B1SGTANS000
SANDPIPERS20B1SGTANS000
burkert126106K
burkert126110J
burkert134259
burkert136022
burkert259732
RexrothLBB 4416/XX NETWORK CABLES; 100m
BEICHM506-11BTS001
BEIRAL-020-016
RELIANCEH-4050-P-H00AA
ANDRITZ ritz GmbhSYN3000(V2.20)
hubnerFGHJ4K-1024-90/20P 438053
Lenord+BauerGEL2443KM1G5K250-E
BuehlerNS10/25-AM-K-SK166/500-3XMKS1/W-L24V
BuehlerNS10/25-AM-K-SK166/700-3XMKS1/W-L24V
RexrothR900999070 29480
R+WBKH/150/95/22/24
R+WBKH/150/95/22/32
R+WBKH/60/93/24/32
R+WSK5/10/70/F/10/10/4,5/2-5
SIEMENS5SJ52-40
ULTRAsee the photo
beijersee the photo
GIULIANI ANELLOFS1B65 009.0256.201 AC10
CFW20-42-7
KAHLMANonly Wire Rope for 3826-DE463 012099
BraunA5S15-97002017
R+W Antriebselemente GmbHBKC15/15/15
R+W Antriebselemente GmbHBKC15/25/25
AirComR280-08E 0.5-25BAR G1
ACESCS38×50-S-160539
FREUDENBEDICHT N18-15 90NBR108-NR.16233-FREUDENBE
ARGOV3.0508-09Y
allweilerNr:14020886
BuehlerBuehler see the photo
AshcroftT7-24-T25-030-110/190
Andritz HydroSYN3000-3221 (V2.20) 110VDC
SIEMENS6FC5247-0AA00-0AA3
SIEMENS6SN1118-0DG23-0AA1
SIEMENS6SN1123-1AA00-0BA2
SIEMENS6SN1123-1AA00-0DA2
AlcoaESN H130 M10X150 R60
AlcoaESN H130 M10X150 R60
AlcoaESN H130 M12X175 R60
AlcoaUSN M36X400 R60
HAVIT-AFC405-6000PSI
fairchildCATALOG NO. 10212
BoergerPL200 "PP2SARCAAE AADCCC14X"
RexrothR911327661
AVAGOAEDS-8011-A11
Ari-ArmaturenType:5,KN ID-No:601441
R+WES2/150/A/W/25/25/100/8-150
SIEMENS3AH4305-4FF55-OFD2-Z
BERTHOLDId.81772 LB1230,Nr.8391
Binder GmbHFED-720
SALTUSNO 5139
Rexroth3942992811
brinkmannPUMPS D-58791 WERDOHL
Bellofram轉(zhuǎn)換器 T1000 961-117-000
AladinGLISSA 3E7/5R7/5
BIBUSTA 21-9
SIEMENSSITRANS F C MASS 2100 DI 1.5
SIEMENSSITRANS F C MASS 2100 DI 3-40
SIEMENSSITRANS F C MASS 6000
equinotecEKL/20/B/08/14
LOWARACEAS0/5/A-V;507330150XAA
burkert126284
FreudenbergHAFTSAUGER GR4-011-FREUDENBERG
MaierDXSR280K
DANFOSSMBC5100-1411-1CB04 Druckschalter-0,20 - Art.-Nr.061B000066
schmalenbergerZ32-16/2 50HZ P:1.5kw P:3.0bar 380V+/-10% 2008001908/10
Rietschoten200.107.01 Nr.11154
RietschotenBrakes of 200.107.01
COMERIO ERCOLE SPABrand Code: E88.3, Infor: DISCHARGE OIL CONTROL UNIT EL-NEWS TYPE E88.3,SIZE 72X114X130, WITH 3 FEAGURES , NO. 8 INLETS FOR INSULTATE THERMOCOUPLE FE/COST AND NO. 8 INLETS FRO LEVEL, NO 2 RELAY OUTLETS, PROTE
HONLEUV400/2
EMODTyp:TM90S/4 3~Mot-Nr.7352920
Cyteccs-21-180-a
EWM094-000472-0001
FrankeSENSORFRANK MOHNA74020FRAMO
FrankeSWITCH LEVELFRANK MOHNA67218FRAMO
ERNI Electronics GmbH87 09 05 048 3204 1X1
EuchnerESH-PRO-11A-1205
Emerson3200E
Emerson4825-3
EmersonR48-3500e
STEGOTyp KTO 011 0-60℃ Mod.No. 01146.9-00
LegrisNO.04020713
BucherCINDY-16-B-PTD-S100-A-D15-3-SVA350
BucherCINDY-25-B-SND-S500-L-G6-11-SVZ420
BucherRS32-320
BucherRVE-25
Hansen6FFP25BS
Hansen6FFS25BS
Fischer Connectorsfischer ssc 103 z058, male contacts on receptacle for LW200-727
EDWARDSAIM-S-NW25 P/N:D14641000
EDWARDSAPG-M-NW25 ST/ST P/N:D02172000
EcoChem Me?technik GmbHMC3
BenienPU12-SE DN65 Length=1m
HaweDK2/200/0R-L5K24
HaweVZP1G22-G24
Ingersoll-randcheck valve 22884423
Ingersoll-randexhaust solenoid valve 24739112
Ingersoll-randoil pump 23677677
Ingersoll-rando-ring 39332812
Ingersoll-randseal assembly 42572826
Ingersoll-randset collar 39332796
Ingersoll-randshaft seal assembly 88325311
englerS106L.A4.B4.700.800.1.S1
DittmerNr.110200682
Ingersoll-rand22884423
Ingersoll-rand23677677
Ingersoll-rand24571309
Ingersoll-rand24739112
Ingersoll-rand39332796
Ingersoll-rand39332812
Ingersoll-rand42572826
Ingersoll-rand608620093
Ingersoll-rand608620094
Ingersoll-rand88325311
coaxFK80N02E 220VDC
DEUBLIN20506-100
DEUBLIN20506-150
HOERBIGERHV07097 VPDM3PC06P300
Dr.ThiledigPE79.90.00
Dr.ThiledigVD50/44/6/13
rectusGegenstecker
rectusPOLYURETHANE*1/4'' x 3/8”(6mm*9.5mm)*pmax 147 PSI (10,ibar) length:10m
rectusType 26
cab5964816
cab5964817
VISHAY038 13 4700uf / 35v / 85°C
DANFOSSAVTA25 003N4165
PMVP-2000 365132
FunkeTDW 5910-W
EADG2D3121015/OS
Eugen Seitz2459 serial no.122.958.00
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碳膜電位器為人們常用的電子元器件之一,所謂碳膜電位器是在馬蹄形的紙膠板上涂上一層碳膜制成的,其阻值變化和中間觸頭位置的關(guān)系有直線式、對數(shù)式和指數(shù)式三種。然而任何電位器使用時(shí)間久了都會出現(xiàn)一些故障及問題,所以下面小編為大家介紹一些有關(guān)碳膜電位器的會出現(xiàn)的故障以及檢測方法:

 

碳膜電位器

碳膜電位器

  1.故障分析

  (1)碳膜電位器因過電流而嚴(yán)重?zé)龎墓收希哼@時(shí)碳膜電位器燒成開路。調(diào)節(jié)音量時(shí)揚(yáng)聲器中會出現(xiàn)“咯吱”“咯吱”的響聲,停止轉(zhuǎn)動碳膜電位器時(shí)噪聲便隨之消失,這說明音量電位器出現(xiàn)轉(zhuǎn)動噪聲大的故障。

  (2)碳膜電位器內(nèi)部引腳斷路故障:這時(shí)音量電位器所在電路不能正常工作,對于碳膜電位器而言,可能出現(xiàn)無聲故障,或者出現(xiàn)音量關(guān)不死的情況。

  (3)碳膜電位器轉(zhuǎn)動噪聲大:主要出現(xiàn)在音量電位器中,因?yàn)橐袅侩娢黄鹘?jīng)常轉(zhuǎn)動。一般音量電位器或音調(diào)電位器使用一段時(shí)回見后或多或少也會出現(xiàn)轉(zhuǎn)動噪聲大的故障,這要要是由于動片觸點(diǎn)月碳膜之間摩擦,造成碳膜損壞,使動片與碳膜之間接觸不良。

  2.檢測方法

  2.1阻值測量方法

  碳膜電位器的阻值測量分為在路測量和脫開測量。由于一般電位器的引腳用引線與電路板上的電路相連,焊下引線比較方便,故障用脫開測量的方法,這樣測量的結(jié)果夠準(zhǔn)確說明問題。

  (1)測量兩固定引腳之間的阻值。其阻值應(yīng)等于該電位器外殼上的標(biāo)稱阻值,遠(yuǎn)大于或遠(yuǎn)小于標(biāo)稱阻值都說明碳膜電位器有問題。

  (2)檢測阻值的變化情況。用萬用表歐姆檔相應(yīng)量程,一支表棒搭動片,另一支表棒搭定片,緩慢的左右旋轉(zhuǎn)碳膜電位器的轉(zhuǎn)柄,指針指示的阻值應(yīng)從零到較大值,再從較大值到零連續(xù)變化。指針偏轉(zhuǎn)也應(yīng)是連續(xù)的,即不應(yīng)該出現(xiàn)指針跳動的現(xiàn)象。

  2.2試聽檢測方法

  這種方法主要用于音量電位器和音調(diào)電位器的噪聲故障檢測。讓電路處于工作狀態(tài),然后左右旋轉(zhuǎn)碳膜電位器轉(zhuǎn)柄,讓動片觸點(diǎn)在碳膜上滑動。轉(zhuǎn)動時(shí)如果揚(yáng)聲器中有“咯吱”“咯吱”聲音,則碳膜電位器有轉(zhuǎn)動噪聲大的故障,反之,如果沒有噪聲,說明碳膜電位器是基本良好的。

  3.清洗方法

  碳膜電位器較大的故障是轉(zhuǎn)動噪聲大,通過清洗處理可以修理好,具體方法是:折法讓純酒精清洗液流到電位器內(nèi)部的碳膜上,不斷轉(zhuǎn)動轉(zhuǎn)柄,是使觸點(diǎn)在碳膜上滑動,達(dá)到清洗碳膜和觸點(diǎn)的目的。這種清洗可以在通電的情況下進(jìn)行。在這里需要注意的是,一定要用純酒精。然后轉(zhuǎn)動轉(zhuǎn)柄,試聽噪聲大小,指導(dǎo)其噪聲消失為止。

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