It is not affected by noise as it only detects frequencies specific to discharge.
The Corona Discharge Checker MK-720 detects only the specific frequencies of discharge, making it unaffected by noise. It can detect insulation deterioration in cables, cable terminals, transformers, and more. Due to ultrasonic discharge sound detection, it allows for non-contact measurement while the equipment is live. When corona discharge occurs due to insulation deterioration in AC power supply equipment, ultrasonic waves are generated across a wide bandwidth. These ultrasonic waves vary in strength in sync with the power supply phase, so when the detected sound is demodulated and frequency analyzed, the component at twice the power frequency appears prominently. This device can detect discharge without being influenced by sounds other than discharge by detecting the strength of this twice the power frequency component. For more details, please contact us.
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Product Code: 30022 *Please provide this number when making inquiries for a smoother process. 【Features】 ○ Non-contact measurement possible in live wire state due to ultrasonic discharge sound detection ○ Equipped with frequency analysis function → Detects only the specific frequencies of discharge, unaffected by noise ○ Can detect insulation deterioration of cables, cable terminals, transformers, etc. ○ Sharp capture with a ±8° directivity → Easy to identify discharge locations with the included laser pointer ○ Measurement data (component ratio, waveform, FFT data) can be recorded ○ Data transfer possible by connecting a USB cable ○ Discharge sound can be heard through earphones, etc. ● For more details, please contact us.
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Company information
Rex Co., Ltd. primarily focuses on the rental of measuring instruments, surveying equipment, weighing devices, and inspection machinery, providing broad support for issues related to measuring instruments through four service offerings: [Rental] [Calibration] [Sales] [Technical Proposals]. ■ Rental - A rich lineup of 2,000 models and 27,000 units, with numerous products available across various industries. - We can propose suitable products based on your requests and ensure the fastest shipping of inspected products. ■ Calibration - We have calibration experience with a diverse range of models, regardless of the manufacturer! One-stop and comprehensive support from calibration to repair is available. - By strengthening our facilities and expanding our unique network, we achieve satisfactory prices, delivery times, and quality. ■ Sales - Unusually, price negotiations are possible in our online shop! We also have many sales records for products not listed on the site. - In response to customer requests, we have started selling used products, which has become a well-received service. ■ Technical Proposals (NETIS and Construction ICT System Proposals) - We assist with creativity and innovation using system products and NETIS registered items! We also gather information on new technologies. - Even for products not listed, we can customize them according to customer requests and site conditions.