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{"title":"20A Large Current Electrical Resistivity Measuring Instruments Ohmmeter For","imgUrl":"https:\/\/img.chinax.com\/nimg\/5b\/35\/df8ee68e6e52e07178c75c3e929f-200x200-1\/20a_large_current_electrical_resistivity_measuring_instruments_ohmmeter_for_transformers.jpg","attrs":{"Certification":"CE\/CNAS\/ISO9001","Minimum Order Quantity":"1 Set","Price":"1400","Place of Origin":"China"}}
Digital Display Three Phase Winding Resistance Tester Transformer DC Resistance Tester
General Information:
This Portable Lithium Battery Transformer DC Resistance Tester is a field-oriented testing instrument for measuring DC resistance of medium and low voltage transformer windings (10kV-35kV). Designed for routine maintenance, emergency fault diagnosis and handover inspection in substations, power distribution stations and industrial workshops, it integrates a high-capacity lithium battery and constant current source technology, realizing cable-free operation in field without external power supply. It accurately tests phase resistance and interphase resistance of oil-immersed/dry-type distribution transformers, providing reliable data for judging winding connection faults and contact resistance abnormalities.
Features:
Dual Power Supply & Long Battery Life: AC 220V or built-in lithium battery, 10 hours of continuous work after full charge, suitable for field operation without power.
Fast Test & Auto Discharge: Completes single-phase winding test in 3-5s, with automatic fast discharge after testing to avoid electric shock hazards.
Lightweight & Easy to Carry: Net weight only 5.8kg with a portable handle, compact size for operation in narrow transformer cabinet spaces.
Chinese-English Bilingual Interface: 7-inch color touch screen with intuitive menu, one-key test start, no complex professional training required.
Basic Anti-Interference & Data Storage: Equipped with filter circuit to suppress electromagnetic interference; stores 800 groups of test data, exportable via USB.
Technical Parameters
Parameter Category
Specification
Measurement Items
Transformer winding DC resistance, phase resistance, interphase resistance
Sansion Power Electric was established in 2005, a technocrat who have rich experience of more than 20 years in R&D, manufacturing and marketing of power electrical testing products, which are widely used in the fields of power electric, railroad, energy conservation and environment protection, water conservancy, petrochemical industry, aerospace and etc. Sansion Power Electric contains R&D department, instruments manufacturing workshop, HV workshop, sample exhibition room, HV testing laboratory, quality control department, general office, sales departments, information office and ete, now we have more than 80 employees including 20 technical engineers. We have obtained the IS09001 quality system certification and all products strictly conform to theinternational lEC and Chinese state standards.
Certifications
Packing & Delivery
Customer Visit
FAQ
Q1: Is your company a sales company or a manufacturer?
A: Sansion Power Electric Co., Ltd. is an industrial and trade enterprise, with its own factory, self-produced and self-sold. We were founded in 2005 and have twenty years of production experience. Our company has reliable production lines, test rooms and R&D centers.
Q2: Whether the goods are in stock, whether they can be customized, and how long the delivery time is?
A: After the goods have been ordered, we can be made to order according to the special requirements of customers by using the latest technology. The delivery time is usually within 10 working days if there are no accidents.
Q3: Is the quality guaranteed?
A: In order to ensure quality, we use imported components in large quantities. After three times of quality inspection, the goods can be sent out, and the export is uniformly packed in non-fumigation wooden boxes.
Q4: What are the after-sales terms? A: What are the after-sales terms? We offer free consulting service, one year warranty, and adopt various methods such as email communication, video calls, technology door-to-door, aiming to solve any after-sales problems in a timely manner.
Q5: What are the cooperative countries or regions?
A: Products have been successfully exported to the United States, French ,Brazil, Australia, Spain, Portugal , Oman ,Russia, the Netherlands, Indonesia, Bangladesh, Saudi Arabia, Chile, Colombia, Panama, Malaysia and other countries and regions.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2005
Total Annual:
50000000-80000000
Employee Number:
120~150
Ecer Certification：
Verified Supplier
Sansion Power Electric Co., Ltd was established in 2005, a technocrat who have rich experience of more than 10 years in R&D, manufacturing and marketing of power electrical testing products, which are widely used in the fields of power electric, railroad, energy conservation and environment prot... Sansion Power Electric Co., Ltd was established in 2005, a technocrat who have rich experience of more than 10 years in R&D, manufacturing and marketing of power electrical testing products, which are widely used in the fields of power electric, railroad, energy conservation and environment prot...
