{"product_id":"u9845-4-channel-impulse-winding-tester-100-5000v-100msps-coil-turn-to-turn-tester-for-motor-transformer-inductor-coil-test-machi","title":"U9845 4 Channel Impulse Winding Tester 100-5000V 100Msps Coil Turn-to-Turn Tester for Motor Transformer Inductor Coil Test Machine","description":"\u003csection\u003e\n\u003ch2\u003eU9845 Impulse Winding Tester for Coil Turn-to-Turn Testing\u003c\/h2\u003e\n\u003cp\u003eThe U9845 is a 4-channel impulse winding tester for turn-to-turn insulation and waveform comparison testing on motor windings, transformer windings, inductors, coils, and similar wound components. It provides 100-5000V impulse voltage adjustment in 10V steps and supports high-speed waveform acquisition up to 100Msps for comparing winding response under impulse conditions.\u003c\/p\u003e\n\u003cp\u003eThe tester supports four high-voltage channels and four waveform comparison methods: area, differential area, corona, and differential phase. It is suitable for production inspection, laboratory winding checks, incoming quality control, and coil test stations that need repeatable OK\/NG judgment and waveform record handling.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4 high-voltage channels for multi-winding impulse testing.\u003c\/li\u003e\n\u003cli\u003e100V-5000V impulse voltage range with 10V setting steps.\u003c\/li\u003e\n\u003cli\u003e100Msps maximum waveform acquisition for winding response comparison.\u003c\/li\u003e\n\u003cli\u003eFour comparison methods: area, differential area, corona, and differential phase.\u003c\/li\u003e\n\u003cli\u003eSupports manual, foot switch, external, internal, and bus trigger modes.\u003c\/li\u003e\n\u003cli\u003eOK\/NG display with LED and alarm output for production inspection use.\u003c\/li\u003e\n\u003cli\u003eUSB Host supports screen image storage and firmware upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSuitable Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMotor winding turn-to-turn testing\u003c\/li\u003e\n\u003cli\u003eTransformer primary and secondary winding testing\u003c\/li\u003e\n\u003cli\u003eInductor and coil impulse waveform comparison\u003c\/li\u003e\n\u003cli\u003eThree-phase machine delta and star connection testing\u003c\/li\u003e\n\u003cli\u003eSingle-phase machine winding comparison checks\u003c\/li\u003e\n\u003cli\u003eProduction quality control for wound components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003eU9845\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eNumber of HV Channels\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eImpulse Voltage\u003c\/th\u003e\n\u003ctd\u003e100V-5000V, 10V step, 5% +\/- 10V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInductance Test Range\u003c\/th\u003e\n\u003ctd\u003e20uH or higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eImpulse Energy\u003c\/th\u003e\n\u003ctd\u003eMax. 0.25 Joule\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTest Speed\u003c\/th\u003e\n\u003ctd\u003eSingle winding: max. 12 measurements\/sec; 4-winding: max. 2 measurements\/sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eApplied Pulses\u003c\/th\u003e\n\u003ctd\u003eMax. 32 test pulses; max. 8 demagnetizing pulses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInput Impedance\u003c\/th\u003e\n\u003ctd\u003e10M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWaveform Acquisition\u003c\/th\u003e\n\u003ctd\u003eMax. 100Msps, 10 adjustable levels, 8-bit resolution, 6500-byte memory depth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eComparison Methods\u003c\/th\u003e\n\u003ctd\u003eArea, differential area, corona, differential phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRepeated Accuracy\u003c\/th\u003e\n\u003ctd\u003e+\/- 1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTrigger Mode\u003c\/th\u003e\n\u003ctd\u003eManual including foot switch \/ external \/ internal \/ bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDetection Output\u003c\/th\u003e\n\u003ctd\u003eOK\/NG display, LED \/ alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInternal Memory\u003c\/th\u003e\n\u003ctd\u003e120 groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eU-Disk Memory\u003c\/th\u003e\n\u003ctd\u003e600 groups for standard waveform data and test setup parameters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInterfaces\u003c\/th\u003e\n\u003ctd\u003eUSB Slave, RS232C, IEEE488 optional, USB Host\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePower Supply\u003c\/th\u003e\n\u003ctd\u003e220V \/ 110V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePower Consumption\u003c\/th\u003e\n\u003ctd\u003e50VA or lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e8.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e400 x 132 x 350 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOperating Environment\u003c\/th\u003e\n\u003ctd\u003e0-40 C, 75% RH or lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSelection Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse this tester when the inspection task requires impulse waveform comparison rather than only basic resistance or inductance measurement.\u003c\/li\u003e\n\u003cli\u003eThe tested winding should be within the instrument's impulse voltage and inductance range.\u003c\/li\u003e\n\u003cli\u003eFor automated stations, review the trigger mode, HANDLER signal, and interface requirements before ordering.\u003c\/li\u003e\n\u003cli\u003eThe plug and voltage are configured according to the customer's shipping country by default.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch4\u003eWhat is an impulse winding tester used for?\u003c\/h4\u003e\n\u003cp\u003eAn impulse winding tester applies a short high-voltage pulse to a winding and compares the waveform response. It is used to check turn-to-turn insulation and winding defects in motors, transformers, inductors, and coils.\u003c\/p\u003e\n\u003ch4\u003eWhich tester is suitable for motor and transformer coil turn-to-turn testing?\u003c\/h4\u003e\n\u003cp\u003eThe U9845 4-channel impulse winding tester is suitable for motor winding, transformer winding, inductor, and coil turn-to-turn testing within its 100V-5000V impulse range.\u003c\/p\u003e\n\u003ch4\u003eHow many channels does the U9845 have?\u003c\/h4\u003e\n\u003cp\u003eThe U9845 has 4 high-voltage channels for multi-winding impulse testing.\u003c\/p\u003e\n\u003ch4\u003eWhat comparison methods does it support?\u003c\/h4\u003e\n\u003cp\u003eIt supports area, differential area, corona, and differential phase comparison methods.\u003c\/p\u003e\n\u003ch4\u003eCan it be used in a production test station?\u003c\/h4\u003e\n\u003cp\u003eYes. The tester supports OK\/NG display, LED\/alarm output, multiple trigger modes, HANDLER signals, internal memory, and U-disk storage for production inspection and quality control workflows.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":43370969759833,"sku":"FMF-U9845-87129","price":1361.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4354\/5177\/files\/S82b7e04c72f3430b9103c24b4ea3aabet.webp?v=1780391202","url":"https:\/\/fmfpack.com\/ar\/products\/u9845-4-channel-impulse-winding-tester-100-5000v-100msps-coil-turn-to-turn-tester-for-motor-transformer-inductor-coil-test-machi","provider":"FMF Supply","version":"1.0","type":"link"}