{"product_id":"sonel-s-36-vlf","title":"Sonel S-36 VLF","description":"\u003cp\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul class=\"tabs-contents\"\u003e\n\u003cli class=\"tab tab-active tab-expand\"\u003e\n\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv class=\"html-content clearfix\"\u003e\n\u003cdiv class=\"html-content sonel-content clearfix description-simple\"\u003e\n\u003cp\u003e\u003cstrong\u003eTest the condition of the cables with VLF or DC slow voltage  \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe S-36VLF high voltage insulation tester is a compact, robust and portable kit for testing medium voltage cables according to IEEE400, IEC 60502-2, CENELEC HD 620 and 621 and DIN VDE 0276\/620 and 621. The test is carried out using the low electrical stress method, with a VLF (Very Low Frequency) voltage of 0.1 Hz. The VLF test is the fastest way to detect insulation damage.\u003c\/p\u003e\n\u003cp\u003eThe S-36VLF instrument can test cables with plastic insulation (XLPE, PE-, EPR) as well as paper and oil insulation (PILC). Testing with DC voltage is also possible.\u003c\/p\u003e\n\u003cp\u003eSonel offers online training course on the use of this product (instructional video and consultation with a specialist).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"html-content sonel-content clearfix description-item\"\u003e\n\u003cdiv class=\"description-item-label\"\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"description-item-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eExtremely compact high-power VLF test device\u003c\/li\u003e\n\u003cli\u003eEasily portable for 1-2 people\u003c\/li\u003e\n\u003cli\u003eSimple operation: menu-assisted control with industrial class OLED display\u003c\/li\u003e\n\u003cli\u003eFully automatic test sequence\u003c\/li\u003e\n\u003cli\u003eIntegrated timer 1-300 min with automatic tripping\u003c\/li\u003e\n\u003cli\u003eIntegrated breakdown detection\u003c\/li\u003e\n\u003cli\u003eIntegrated fault time detection\u003c\/li\u003e\n\u003cli\u003eVoltage measurement direct at HV output\u003c\/li\u003e\n\u003cli\u003eProtective ground connection\u003c\/li\u003e\n\u003cli\u003eHigh voltage start key interlock\u003c\/li\u003e\n\u003cli\u003eProtective circuit \/ indication in accord. with EN 50191\u003c\/li\u003e\n\u003cli\u003eLeakage current measurement during VLF test\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"html-content sonel-content clearfix description-item\"\u003e\n\u003cdiv class=\"description-item-label\"\u003e\n\u003cp\u003e\u003cstrong\u003eOptional features\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"description-item-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eData logging (USB stick) for VLF test sets\u003c\/li\u003e\n\u003cli\u003eFrequency extension: 0.05 + 0.02 Hz\u003c\/li\u003e\n\u003cli\u003eCustomized test cables\u003c\/li\u003e\n\u003cli\u003eTransport case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTECHNICAL SPECIFICATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cul class=\"tabs-contents\"\u003e\n\u003cli class=\"tab tab-active tab-expand\"\u003e\n\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv class=\"html-content clearfix\"\u003e\n\u003cdiv class=\"html-content sonel-content clearfix\"\u003e\n\u003cdiv class=\"table_caption\"\u003e\n\u003cp\u003eTechnical specification\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003ctable class=\"rwd_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eS-24 VLF\u003c\/th\u003e\n\u003cth\u003eS-36 VLF\u003c\/th\u003e\n\u003cth\u003eS-44 VLF\u003c\/th\u003e\n\u003cth\u003eS-44 VLF\u003c\/th\u003e\n\u003cth\u003eS-57 VLF\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\u003cstrong\u003eIndex\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003e\u003cstrong\u003eWMGBS24VLF\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003e\u003cstrong\u003eWMGBS36VLF\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e\u003cstrong\u003eWMGBS44VLF\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e\u003cstrong\u003eWMPAS44VLF\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003e\u003cstrong\u003eWMGBS57VLF\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\u003cstrong\u003ePower supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003e230 V (±10%),10 A, 50\/60 Hz\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003e230 V (±10%),10 A, 50\/60 Hz\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e230 V (±10%),10 A, 50\/60 Hz\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e110 V (100 V...127 V),15 A, 50\/60 Hz\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003e230 V (±10%), 10 A, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\u003cstrong\u003eOutput voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003e0…24 kV\u003csub\u003eRMS\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003eVLF 0.1 Hz (option: 0.05 Hz + 0.02 Hz) ± 0…34 kV DC\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003e0…36 kV\u003csub\u003eRMS\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003eVLF 0.1 Hz (option: 0.05 Hz + 0.02 Hz) ± 0…52 kV DC\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e0…44 kV\u003csub\u003eRMS\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003eVLF 0.1 Hz (option: 0.05 Hz + 0.02 Hz) ± 0…62 kV DC\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e0…44 kV\u003csub\u003eRMS\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003eVLF 0.1 Hz (option: 0.05 Hz + 0.02 Hz) ± 0…62 kV DC\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003e0…57 kV\u003csub\u003eRMS\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003eVLF 0.1 Hz (option: 0.05 Hz + 0.02 Hz) ± 0…62 kV DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\u003cstrong\u003eVoltage waveshape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003eVLF\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003esimilar sine-wave, symmetrical, with True RMS measurement\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003esimilar sine-wave, symmetrical, with True RMS measurement\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003esimilar sine-wave, symmetrical, with True RMS measurement\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003esimilar sine-wave, symmetrical, with True RMS measurement\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003esimilar sine-wave, symmetrical, with True RMS measurement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003eDC\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003edirect voltage, negative and positive polarity\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003edirect voltage, negative and positive polarity\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003edirect voltage, negative and positive polarity\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003edirect voltage, negative and positive polarity\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003edirect voltage, negative and positive polarity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\u003cstrong\u003eOvercurrent trip (DC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003e10 mA\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003e10 mA\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e10 mA\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e10 mA\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003e10 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\u003cstrong\u003eMax. testable cable length, max. capacitance (VLF)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003eup to 60 km (15 µF at 24 kV\u003csub\u003eRMS\u003c\/sub\u003e, 0.02 Hz)*\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003eup to 60 km (15 µF at 18 kV\u003csub\u003eRMS\u003c\/sub\u003e, 0.02 Hz)*\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003eup to 60 km (15.0 µF at 18 kV\u003csub\u003eRMS\u003c\/sub\u003e, 0.02 Hz)*\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003eup to 60 km (15.0 µF at 6 kV\u003csub\u003eRMS\u003c\/sub\u003e, 0.02 Hz)*\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003eup to 60 km (15.0 µF at 18 kV\u003csub\u003eRMS\u003c\/sub\u003e, 0.02 Hz)**\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\n\u003cstrong\u003eMax. load at max.\u003c\/strong\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eoutput voltage (VLF) and 0.1 Hz\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003e5 µF at 24 kV\u003csub\u003eRMS\u003c\/sub\u003e\n\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003e2.4 µF at 36 kV\u003csub\u003eRMS\u003c\/sub\u003e\n\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e1.5 µF at 44 kV\u003csub\u003eRMS\u003c\/sub\u003e\n\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e1.0 µF at 44 kV\u003csub\u003eRMS\u003c\/sub\u003e\n\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003e0.9 µF at 57 kV\u003csub\u003eRMS\u003c\/sub\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\u003cstrong\u003eDischarge - integrated automatic discharge device\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003emax. 9000 J\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003emax. 12500 J\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003emax. 12500 J\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003emax. 12500 J\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003emax. 12500 J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\u003cstrong\u003eVoltage measuring range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003e-40…0…40 kV accuracy ±1%\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003e-60…0…60 kV accuracy ±1%\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e-70…0…70 kV accuracy ±1%\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e-65…0…65 kV accuracy ±1%\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003e-70…0…70 kV accuracy ±1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\u003cstrong\u003eCurrent measuring ranges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003e±0…100 µA \/ 1 mA \/ 10 mA\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003e±0…100 µA \/ 1 mA \/ 10 mA\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e±0…100 µA \/ 1 mA \/ 10 mA\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e±0…100 µA \/ 1 mA \/ 10 mA\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003e±0…100 µA \/ 1 mA \/ 10 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003e-20…+45°C\u003cbr\u003e-4…+113°F\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003e-20…+45°C\u003cbr\u003e-4…+113°F\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e-20…+45°C\u003cbr\u003e-4…+113°F\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e-20…+45°C\u003cbr\u003e-4…+113°F\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003e-20…+45°C\u003cbr\u003e-4…+113°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\u003cstrong\u003eStorage temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003e-25…+70°C\u003cbr\u003e-13…+158°F\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003e-25…+70°C\u003cbr\u003e-13…+158°F\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e-25…+70°C\u003cbr\u003e-13…+158°F\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003e-25…+70°C\u003cbr\u003e-13…+158°F\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003e-25…+70°C\u003cbr\u003e-13…+158°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\u003cstrong\u003eDuty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003econtinuous operation\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003econtinuous operation\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003econtinuous operation\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003econtinuous operation\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003econtinuous operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\u003cstrong\u003ePC interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003eUSB stick\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003eUSB stick\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003eUSB stick\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003eUSB stick\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003eUSB stick\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-header=\"\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-header=\"S-24 VLF\"\u003ein two parts: operation unit and high voltage unit\u003c\/td\u003e\n\u003ctd data-header=\"S-36 VLF\"\u003ein two parts: operation unit and high voltage unit\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003ein two parts: operation unit and high voltage unit\u003c\/td\u003e\n\u003ctd data-header=\"S-44 VLF\"\u003ein two parts: operation unit and high voltage unit\u003c\/td\u003e\n\u003ctd data-header=\"S-57 VLF\"\u003ein two parts: operation unit and high voltage unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"table_caption_bottom\"\u003e\n\u003cp class=\"regular-text text\"\u003e \u003c\/p\u003e\n\u003cp\u003e*at a cable capacitance of approx. 0.25 µF\/km\u003c\/p\u003e\n\u003cp\u003e**at a cable capacitance of approx. 0.36 µF\/km\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sonel Test Equipment USA","offers":[{"title":"Default Title","offer_id":43092641906865,"sku":"WMUSS36VLF","price":38141.29,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/0195\/2945\/files\/S3602.webp?v=1700069807","url":"https:\/\/sonelusa.com\/products\/sonel-s-36-vlf","provider":"Sonel Test Equipment USA","version":"1.0","type":"link"}