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Introduction: Same-day inquiry and same-day order confirmation, delivery within three days, and a repurchase intent raised after just one week of use – this is the story of a highly efficient collaboration between a Shandong oil chemistry laboratory and Kedi Zhongwei. From a single-cup tester to a 3-cup tester, and soon to an oil chromatograph, the journey from initial contact to deep cooperation spanned just over ten days.
Insulating oil dielectric strength testing is a core requirement for quality inspection of transformer oil, switch oil, and other insulating oils. According to GB/T 507 Determination of the Breakdown Voltage of Insulating Oils, each oil sample typically requires six breakdown tests with the average taken as the final result. With a single-cup tester, operators must repeatedly clean the cup, replace oil samples, and perform step-by-step voltage rise tests, making the process time-consuming for each sample.
A Shandong oil chemistry laboratory handles a large volume of transformer oil testing tasks daily, with numerous samples and high testing frequency. Their existing single-cup insulating oil dielectric strength tester required manual operation for each test sequence, often requiring overtime work when processing large batches, severely impacting overall work efficiency. The lab director had been actively seeking a solution to improve testing efficiency.
During an industry exchange, the lab director mentioned their efficiency challenges to a colleague, who immediately recommended Kedi Zhongwei's KDJJC-80 3-cup insulating oil dielectric strength tester. The friend noted that the 3-cup design allows simultaneous testing of three samples, significantly reducing testing time, and that Kedi Zhongwei equipment enjoys a solid reputation in the industry.
Intrigued, the director contacted Kedi Zhongwei's sales team that same day. After a brief phone conversation, the sales representative provided detailed technical specifications and operating procedures for the KDJJC-80:
Independent 3-cup design: Three independent test cups allow simultaneous testing of three samples
Fully automatic intelligent control: Large-capacity microcontroller ensures stable and reliable operation
Four selectable voltage rise speeds: 2.0kV/s, 2.5kV/s, 3.0kV/s, and 3.5kV/s
Output voltage range: 0–80kV
Electrode gap: Standard 2.5mm
Upon learning that the 3-cup tester could nearly triple testing efficiency, the customer confirmed the purchase intention and completed the order process on the same day.
After the order was placed, Kedi Zhongwei immediately arranged production and shipping. In just three days, the equipment arrived at the customer's site.
Upon delivery, Kedi Zhongwei provided remote technical guidance to assist with installation, commissioning, and operational training. The customer quickly put the equipment into daily use. The three-day express delivery helped the customer meet that month's peak oil sample testing period without delaying any testing tasks.
In actual use, the advantages of the KDJJC-80 3-cup insulating oil dielectric strength tester became immediately apparent:
Parallel testing for multiplied efficiency: With three cups testing simultaneously, what previously required three separate runs can now be completed in one go, nearly tripling testing efficiency.
Intelligent control for simple operation: The fully automatic intelligent program requires only parameter setting and sample placement – the instrument automatically handles voltage rise, breakdown detection, data recording, and voltage reduction. The large-capacity microcontroller ensures stable and reliable operation.
Accurate data in full compliance with standards: The instrument is designed and manufactured in strict accordance with IEC 156 and GB/T 507-86 standards, delivering reliable and accurate test results.
Just one week after deployment, the customer proactively contacted Kedi Zhongwei, expressing high satisfaction with the equipment's performance. They noted that the 3-cup tester had effectively eliminated their efficiency bottleneck. The customer also indicated that insulating oil testing requires not only dielectric strength testing but also dissolved gas analysis to detect latent overheating, discharge, and other faults in oil-filled equipment. As a result, the customer is now preparing to order an oil chromatograph from Kedi Zhongwei.
Customer feedback: "We didn't expect delivery in less than a week after inquiry. After a few days of use, testing three cups simultaneously is much faster, and operation is straightforward. Please arrange the oil chromatograph as soon as possible – we'll need it soon."
Wuhan Kedi Zhongwei Electric Co., Ltd. is a high-tech enterprise integrating R&D, production, and sales of power testing equipment, instruments, and online power monitoring systems. The company's product portfolio covers 15 major categories with over 300 products, including insulating oil dielectric strength testers, oil chromatographs, series resonant test systems, DC high voltage generators, loop resistance testers, relay protection testers, and more. Products are widely used in power grids, power generation, renewable energy, railways, petrochemicals, metallurgy, and other fields.
Kedi Zhongwei consistently adheres to the business philosophy of "technology leadership, service first," providing customers with full-cycle services from selection consulting and on-site training to after-sales maintenance.
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Tags: #WuhanKediZhongwei #KDJJC80 #InsulatingOilDielectricStrengthTester #CustomerCase #OilLab
