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光敏电阻的检测
检测时将万用表拨到R×1kΩ挡，把光敏电阻的受光面与入射光线保持垂直，于是在万用表上直接测得的电阻就是亮阻。再把光敏电阻置于完全黑暗的场所，这时万用表所测出的电阻就是暗阻。如果亮阻为几千欧至几十干欧，暗阻为几至几十兆欧，说明光敏电阻是好的。
激光二极管损坏判别
拆下激光二极管，测量其阻值，正常情况下反向阻值应为无穷大，正向阻值在20kΩ～40kΩ。如果所测的正向阻值已超过50kΩ，说明激光二极管性能已下降；如果其正向阻值已超过90kΩ，说明该管已损坏，不能再使用了
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※推荐品牌：
Allen-Bradley
ABB
FOXBORO
Triconex
SIEMENS
Schneider
MOTOROLA
XYCOM
Ovation
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※荣誉客户：
鞍山钢铁集团公司
唐山钢铁
攀钢集团有限公司
武汉钢铁（集团）公司
※配送方式：
配送时间及运费
加急快递
海外配送时间
验货与签收
订单配送查询 K-TRON 9522702440 1-5/8IN ID 4-3/8IN OD SUPPORT BEARING D420731
M-41392-013 2-1/4 IN 1-7/16 IN SHAFT COLLAR BEARING D455397
RA JonES 192175 ORBITRAK MOUNTING STEEL 23-1/2X1IN SHAFT D246334
SEALMASTER 2040 SS K2 ROLLER CHAIN REPLACEMENT PART D444900
2C-10-K24 38/60 33/50 12/DC COIL SOLENOID VALVE REPLACEMENT PART D430591
DELTA SYSTEMS M030104 STEEL ROLLER IDLER TAPER BORE 2IN SHAFT D247234
MORSE 126507 50 B1 C/L S/C S/F 1PB OFFSET link 5/8IN PITCH D424817
WEED INSTRUMENT 1-1/4-WH260-U5.5 THERMOWELL D514807
ROCKWELL 318 10IN VALVE BonNET GASKET STEEL REPLACEMENT PART D481445
PARKER PR322H0001 PISTON SEAL KIT 3-1/4 IN REPLACEMENT PART B401779
PNEUMATIC SCALE PSC 455910 GEAR REPLACEMENT PART 3/8IN THREAD D306588
DEL PACKAGING B11320-5 35X1X1 IN SPLINED STAINLESS SHAFT PART D313331
DODGE 096056 TORQUE-TAMER BUSHING RINGS #35X1/4 D504054
STAFSJO AC100 REPAIR KIT FOR 2-1/2IN KNIFE GATE D413779
ALFA LAL 19-1255B-3-316L VALVE STEM 10-1/4IN TOTAL L 3-1/4 IN OD D451206
EDT 3GE 3-BOLT FLANGE HOUSING RING SIZE 207 REPLACEMENT PART D453744
FISHER 1L122099322 SPIRAL WOUND GASKET 2.06X2.50X0.125IN D408762
FISHER 1V2396X0022 TYPE E PACKING RING W/ GASKET REPLACEMENT PART B451307
FISHER 16A7910x012 PISTON SLEEVE STAINLESS REPLACEMENT PART D301123
HYTROL B-02912-018 17-1/4IN ConVEYOR ROLLER ASSEMBLY D375658
MORSE DK0143 WORM GEAR BRASS 20GCT 10:1 RATIO GEAR REPLACEMENT PART D372159
SCHRADER BELLOWS SRK CP1 VALVE REPLACEMENT PART REPAIR KIT D281298
BROWNING NCG851 1-3/8IN BORE GEAR REPLACEMENT PART D380089
VICKERS 118X SPERRY INTEGRAL CARTRIDGE CHECK VALVE REPLACEMENT PART B408814
WAUKESHA 102416 W61 STAINLESS 4 IN SHUT-OFF VALVE STEM D434265
MAGNETROL 89-5923-003 VACUUM PUMP 2IN BODY STAINLESS ENCLOSING TUBE D489298
ConVENIENCE FOOD 1517.7875 STEEL 24-3/4X3/4IN SHAFT 9/16IN ENDS D247651
STEARNS 5-66-3171-00 BRAKE VERTICAL ABOVE SPRING AND SPACER KIT D497847
FISHER 1R3846X0042 3-1/2X4-3/32X1/32IN GASKET REPLACEMENT PART D342193
LIMITORQUE 60-554-0009-1 STEEL VALVE SEAL RETAINER PLATE D489898
CHESTERTON 1.5X3-10 STEEL PUMP POWER END D461786
HAYSSEN 67407A1060 19-1/2IN LENGTH 5/8X1IN OD STAINLESS SHAFT D378971
LEGRIS 303-306L 90 DEG MALE 1/8IN NPT X 6MM TUBE PNEUMATIC FITTING D418126
ROTH PUMP CT471-4E STEEL GASKET 2-1/16IN ID D420321
KTBRK88-601-1 CLUTCH/BRAKE REPLACEMENT PART D446085
FISHER 2400-541 1-1/2IN SEAT RING REPLACEMENT PART D308448
FISHER 13A2662X012 10IN BALL SEAL D335137
PARKER PS1438 3 POSITION VALVE BODY KIIT REPLACEMENT PART B402808
ASCO 35-206-1 120V-DC SOLENOID VALVE COIL D406527
412986 LANTERN RING FOR AC-F9C1 REPLACEMENT PART D342320
GORMAN RUPP 861517070 3/8IN NPT BORE 6-1/4IN OD PUMP IMPELLER D333780
3/4IN BORE 20-TOOTH GEAR REPLACEMENT PART B421427
WINSMITH 10CVD GASKET SET GEAR REDUCER REPLACEMENT PART D286436
MCGILL BCF-2-SB CAM FOLLOWER REPLACEMENT PART D301942