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Digital Three /Single Phase Transformer Turn Ratio Tester TTR¹

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Product Description Product DescriptionIn the production process of semi-finished and finished power transformers, before the newly installed transformer is put into operation and according to the preventive test regulations of the Ministry of Electric Power, it is required to test the turns ratio or voltage ratio of the operating transformer, and the transformer turns ratio can be checked. The correctness, the condition of the tap changer, whether the transformer is short-circuited between turns, whether the transformer can be operated in parallel. The reading of the traditional ratio bridge is not intuitive, and the conversion can only be carried out phase by phase. This transformation ratio tester overcomes the shortcomings of traditional transformation ratio bridge testing. It is easy and intuitive to operate. It adopts three-phase precision inverter power supply, which has fast testing and high accuracy. Features1. The instrument uses a three-phase precision inverter power supply instead of a single-phase mains power supply as the measurement voltage, which eliminates the harmonic influence of the mains voltage during measurement and makes the measurement more accurate. When the working power source is a generator, it has no effect.2. Adopt three-phase output voltage, improve the test speed, measure the angle between phases, and automatically identify the transformer wiring group 0-11.3. It is suitable for a wide variety of transformers, especially for the measurement of Z-type transformers, rectifier transformers, ground transformers, electric furnace transformers, phase-shift transformers, balance transformers, etc. The measurement parameters are the most comprehensive.4. The self-made precision three-phase inverter power supply is adopted, which has high and low voltage reverse connection protection, transformer inter-turn short circuit protection, tap switch not in place protection, output full short circuit protection, and increases the stability of the instrument.5. After inputting the rated parameters, the transformer ratio, error value and tap position of the tap changer can be automatically measured, especially for the tap changer with asymmetrical taps, the exact position of the transformer tap changer can also be accurately measured. A tap changer capable of measuring 99 tap points.6. Using 7-inch high-definition color touch screen LCD, modular display, each operation step has Chinese prompts, no need for manuals, just look at the LCD prompts to complete the instrument operation.7. The instrument has both print output, U disk interface, and RS232 interface, which is convenient for paperless office.8. It adopts multi-functional engineering plastic box that is resistant to cold and temperature, is sealed and waterproof, and is anti-drop and shock-proof, which is convenient for field experiments. Technical specification1. Test range: 0.9~100002. Measurement accuracy: ±0.1%+2 digits (0.9-500)±0.2%+2 digits (501-2000) 3. Resolution: 0.0001 minimum4. Output voltage: automatically adjust according to load5. Power supply: AC220V±10% 50±1Hz6. Ambient temperature: -10oC~40oC7. Relative humidity: ≤85%, no condensation8. Dimensions; host: 360*290*170(mm) wire box: 360*290*170(mm)9. Weight: host 5.9KG wire box: 5.65KG Packing Packaging: Wooden case filled with foam Shipping: by Air, Sea, Express, etc.Shipping time: 7-15 days if it's in stock. ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- WELCOME YOU CONTACT US FOR MORE INFORMATION Company profileXZH TEST is a professional cable fault detection equipment manufacturer. We are a young team. Our development philosophy is humanized management, intelligent cloud-based products, and internationalized operations. Our development mission is to make electrical equipment free from undetectable failures.Since its inception in 2013, our company has grown to become one of the largest manufacturer of underground cable fault detection equipment in China. An ISO 9001 and CE certified company, we produces a broad range of testing equipment. What we can doWe have the ability to innovate new products and technologies.We can provide complete system solutions for your project.We provide online and offline practical and theoretical training.We provide instrument repair and calibration.FAQ:1. Are you a trading company or a manufacturer?We are a professional manufacturer with more than 10 years of experience. We can strictly control the quality of parts and finished products.2. What is the delivery time and inventory?If our best-selling products are in stock, it will be 5-8 working days for shipment. But for mass production and customized production, the time will take 2-4 weeks.3. What are your payment terms?Payment ≤ USD 2000, 100% T/T prepayment. Orders over USD 2000 can be negotiated.4. How long is your product warranty?We provide 1 year warranty for the equipment.5. How do you ensure quality?The product links include R&D, manufacturing, commissioning and technical support, following strict and scientific management principles. Therefore, we can support strong production and R&D capabilities, and can produce high-quality products at competitive prices to meet customers' high requirements.6. What support can I get?We will provide training support, marketing support, technical support and supply chain support. You can contact us for more information.7. Where is your factory? Can I visit your factory?We are located in Xi'an, Shaanxi, China. We are close to Xi'an Xianyang International Airport, which is about 2 and half hours by plane from Shanghai and Guangzhou. All customers from all over the world are welcome to visit us.8. How to become your dealer?Every company interested in power system instruments can contact us without hesitation, including website letters, emails, telephones, etc. We will contact you quickly according to your company information and cooperation intentions.

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