Transformer Oil Tester

Your Professional Transformer Oil Tester Supplier

Our goal is to become your reliable partner in the transformer oil tester in China. Wuhan Huaying Electric Power Tech & Science Co.,ltd, founded in 1997, engaged in the designing, manufacturing and selling of electrical test equipment. We are committed to applying advanced manufacturing technologies and strict quality control standards to every product. Our products are quality-assured, making us a dependable choice for long-term cooperation.

Why Choose Us

Our Certifications

We are ISO9001 quality system certified, and all products comply with international IEC standards or Chinese national standards.

Quality Control

Our company conducts insulation and withstand voltage tests on finished electrical products to ensure they meet safety standards.

Advanced Production Equipment

Our company has advanced production equipment, such as machine tools, voltage dividers, and winding machines.

Our Services

Free replacement for any quality problems within three months, free repair within one year, lifetime repair discounts, and free upgrades to the accompanying microcontroller software from the date of purchase.

Advantages of Transformer Oil Tester

Early Detection of Issues

Regular testing allows for the early detection of contaminants and degradation products, preventing potential failures.

Extended Transformer Life

By maintaining oil quality, the lifespan of transformers can be significantly extended, reducing the need for costly replacements.

Safety and Reliability

Ensuring that transformer oil meets quality standards minimizes the risk of electrical failures and enhances the overall safety of electrical systems.

Specification of Transformer Oil Tester

Product name	Transformer oil tester
Ouput voltaget	AC 0~100KV (0-80KV can be customized)
Rate of voltage rise	0.5kv/s±20%, 2kv/s±10%, 3kv/s±10%,5kv/s±10%
Accuracy level	3%RDG+2D
Max test times	9
Stir time	0~99s
Wait time	0~600s
Storage	100 groups
Voltage limit setting	20kv -90kv
Voltage withstand stay time	0 minutes to 1 minute

Features of Transformer Oil Tester

Insulating

Avoid electric discharge.

Cooling

Deals with the heat produced by the transformer.

Protecting

Moisture proof and oxidation proof.

Application of Transformer Oil Tester

Dielectric Strength (BDV) Testing

Measures the breakdown voltage (BDV) to determine the oil's ability to withstand electrical stress, essential for ensuring safe, reliable insulation.

Moisture Content Analysis

Detects minute amounts of water (in ppm) using devices like the TOR-1 to prevent premature insulation failure, as water reduces the oil's insulating properties.

Dissolved Gas Analysis (DGA)

Identifies early warning signs of internal faults, such as overheating or arcing, by analyzing gases produced within the transformer.

Contamination & Aging Detection

Identifies oxidation, debris, and impurities that necessitate filtration, regeneration, or oil replacement.

Field and Laboratory Diagnostics

Used for on-site testing (via portable units like the Tor Ada) or in labs to monitor transformer health and determine the optimal time for repairs.

Components of Transformer Oil Tester

High-Voltage Unit: Generates the necessary voltage to perform breakdown tests.

Sample Vessel/Cell: A containment vessel, typically designed for 1 liter, to hold the oil sample during testing.

Electrodes: Specialized electrodes (spherical or mushroom-shaped) placed within the cell with a set gap (typically 2.5 mm).

Control Panel & Interface: Allows the user to select standards, display results, and configure test parameters.

Stirrer: Automatically stirs the oil between breakdowns for uniform temperature and particle distribution.

Breakdown Detector & Protection: Automatically disconnects the voltage (often within microseconds) when an arc forms to prevent excessive carbonization.

Other Service of Transformer Oil Tester

Package	Wooden box
Shipping	Sea/Express
Payment	We accept T/T and L/C. For samples or small trial orders

FAQ

Q: Why is oil testing important for transformers?

A: By being proactive and testing the oil for contamination, oxidation, and other factors associated with the degradation of oil, it can prevent an unexpected failure in the transformer.

Q: What types of tests are conducted during transformer oil testing?

A: Oil testing consists of various physical tests (color, viscosity), numerous chemical tests, and electrical tests。

Q: How often should transformer oil testing be performed?

A: It occurs as an annual or quarterly inspection, depending upon the criticality, size & operation of the transformer.

Q: How often should I perform a DGA test on my transformers?

A: For critical power transformers, annual DGA testing is standard practice. For less critical distribution transformers, testing every 2-3 years may be sufficient.

Q: What is the most critical parameter to monitor in transformer oil?

A: While all parameters are important, moisture content and dissolved gases (from DGA) are arguably the most critical. High moisture can lead to immediate failure by reducing dielectric strength, while DGA can indicate serious internal faults that, if left unaddressed, will lead to catastrophic failure.

Q: Can old transformer oil be reused?

A: Yes. Through a process called reclamation, old, oxidized oil can be restored to a like-new condition.

As one of the leading transformer oil tester manufacturers and suppliers in China, we specialized in providing high quality customized products. Please feel free to buy high-grade transformer oil tester in stock here from our factory.

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