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Transformer Test Equipment

Top high voltage transformer test equipment Manufacturers and Suppliers in China

The equipment for testing transformers is quite important for electric and power professionals. It helps in conducting performance evaluation, maintenance, and troubleshooting processes for transformers. We offer testing equipment suitable for testing transformers to aid in routine maintenance, factory acceptance testing, on-site evaluation, and post-repair validation checks, assuring dependability and operational safety.

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Guide to Transformer Test Equipment: Ensuring Transformer Safety and Efficiency

  • Importance: Transformer test equipment safeguards power transformers by diagnosing faults, improving safety, reducing downtime, and prolonging transformer life, ensuring dependable and efficient power provision throughout networks.

  • Components: Such systems comprise ratio testers, resistance measurement, insulation testing, SFRA devices, partial discharge testers, as well as multifunctional systems for holistic diagnostics covering all aspects.

  • Technological Advancements: Multifunctionality greatly enhances proactive maintenance, accurate real time monitoring, and predictive maintenance analytics unifying proactive maintenance strategies.

  • Selection: For reliable diagnostics and seamless workflow integration, choose automated equipment that is simple, accurate, user-friendly, embeds vital safety protocols, and provides seamless connectivity.

Key Features of power transformer test equipment

Learn the important characteristics and advantages of power transformer test equipment, specializing in focused performance analysis and dependable operation.

Advanced Testing

Conduct numerous tests such as winding resistance, turns ratio, dynamic and excitation currents, short-circuit impedance, and vector group identification.

User Friendly

Color-coded cables and connectors paired with 10.6” touch screens and companion software add to ease of use.

Portable Design

Small, lightweight, and adaptable for use in the field or a factory.

High Efficiency

Reduction of time through three-phase simultaneous testing; an integrated discharge function provides safety while facilitating swift transitions between tests.

Enhanced Safety

Features like emergency stop buttons, warning lights, and other advanced safety systems improve safety.

Comprehensive Reporting

Analyzes and documents data through customizable reports generated in PDF or XLS formats.

How Does Transformer Test Equipment Work?

  • Voltage and Current Testing: Using a voltmeter to apply voltage and noting current flow evaluates transformer efficiency and energy losses.
  • Insulation Resistance and High Voltage Tests: Evaluates insulation boundaries to sustain electric tension, partial discharge, and complete failure of the equipment.
  • Core and Winding Analysis: Open circuit and short circuit tests determine core losses and identify winding resistance problems with copper losses.
  • Advanced Diagnostics: Early faults and mechanical changes are detected using techniques such as Dissolved Gas Analysis (DGA) and Frequency Response Analysis (SFRA).
  • Routine and Preventive Maintenance: Performs regular testing to ensure reliability which avoids transformer failure and extends lifespan while mitigating extensive repair costs.

What Are the Different Types of Transformer Test Equipment?

  • Winding and Insulation Testing: Tools such as winding resistance and insulation resistance testers evaluate the condition of transformer windings and the quality of its insulation.
  • Ratio and Tap Changer Analysis: Turns ratio testers and on-load tap changer testers monitor the transformation of voltages and the functioning of the tap changers.
  • Core and Frequency Diagnostics: Demagnetizers and sweep frequency response analyzers (SFRA) specialize in the detection of core magnetism and various mechanical/electrical changes.
  • Voltage and discharge testing: Insulation strength is evaluated and defects detected using partial discharge testers alongside AC/DC withstand voltage testers.
  • Oil and Power Factor Testing: Monotoring the condition of the insulation and oil kung the temperature, moisture, gases, as well as the power factor.

Technical Specifications of Transformer Test Equipment

ParameterDetails
Power Supply3 x 33 A DC or 400 V AC
Output Voltage RangeCapable of supplying up to 750 V for testing
Turn Ratio Testing RangeSupports a wide range of transformer ratings
Current Accuracy±0.1% of full scale
Resistance Measurement Range0.1 μΩ to 1 kΩ
Control Interface10.6” multi-touch display with companion apps
WeightApprox. 20 kg (44 lbs)
Safety FeaturesEmergency stop, interlocks, warning lights
Data ReportingPDF, XLS, and in-depth graphical formats
Compliance StandardsIEC 60076, ANSI/IEEE C57, IEC 60214-1
Software IntegrationCompatible with Windows and mobile platforms

Best Transformer Test Equipment for Sale

Look for dependable and high-grade transformer test apparatus for exact testing. Reliable and high quality equipment are essential for meticulous maintenance and further fault identification diagnostics.

Transformer Characteristics Test Console
Transformer Characteristics Test Console
The Transformer Comprehensive Characteristics Test Console integrates sophisticated technology for the verification of power and distribution transformers. It performs no-load, load, DC resistance, and voltage tests alongside digital precision measurement for maximum accuracy and ease of use in obtaining result.
$7000 - $86000/ Per Piece
More Details

  • Voltage Range: 0.1–600V

  • Current Range: 0.1–200A

  • Power Factor: 0.1–0.9999

  • Frequency: 50Hz ± 2%

  • Capacity Range: Up to 2500kVA

  • Display: Large backlit LCD

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Transformer Tangent Delta Tester
Transformer Tangent Delta Tester
The Transformer Tangent Delta Tester inspects dielectric loss and insulation deterioration in high-voltage apparatuses. It incorporates sophisticated anti-jamming features, rapid test execution, and diversos test modes, thus enabling dependable and efficient evaluation for transformers, bushings, and cables.
$5000 - $20000/ Per Piece
More Details

  • Voltage Range: 0.5–12 kV

  • Capacitance Range: 3 pF–1.5 µF

  • Frequency Options: 45–65 Hz

  • Accuracy: ±1% of reading

  • Test Current Range: 5 µA–5 A

  • Operating Temperature: -10°C to 50°C

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Transformer Winding DC Resistance Tester
Transformer Winding DC Resistance Tester
The Transformer Winding DC Resistance Tester measures the direct current (DC) resistance of transformer windings and other inductive devices. Its automatic charging/discharging, demagnetization, and temperature-correction features ensure efficiency, accuracy, and reliability when performing diagnostics.
$5000 - $15000/ Per Piece
More Details

  • Test Current Range: 1–50 A

  • Resistance Range: 1 µΩ–100 kΩ

  • Voltage Output: Up to 60 V DC

  • Accuracy: ±0.1% of reading

  • Display: Color touch screen

  • Operating Temperature: -10°C to 55°C

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Transformer Turn Ratio Tester
Transformer Turn Ratio Tester
The Transformer Turn Ratio Tester is meticulous equipment meant for testing the turns ratio of transformer windings. This device guarantees thorough diagnostics of power and distribution transformers by offering phase angle measurement, analysis of excitation current, and the calculation of errors automatically.
$3000 - $15000/ Per Piece
More Details

  • Ratio Range: 0.8–50,000:1

  • Test Voltage: Up to 250 V AC

  • Accuracy: ±0.1% of reading

  • Phase Angle Measurement: Included

  • Display: LCD or touch screen

  • Operating Temperature: -10°C to 55°C

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Insulation Oil Dielectric Strength Tester
Insulation Oil Dielectric Strength Tester
The Insulation Oil Dielectric Strength Tester ensures equipment safety and reliability by measuring the breakdown voltage of insulating oils. Designed for both laboratory and fieldwork, it features automated testing, data storage, and compliance with international standards guaranteeing precision and efficiency in diagnostics.
$5000 - $15000/ Per Piece
More Details

  • Voltage Range: Up to 100 kV

  • Accuracy: ±1% of reading

  • Operating Temperature: 0°C to 50°C

  • Test Standards: ASTM, IEC compliant

  • Voltage Rise Rates: 500–3000 V/s

  • Oil Sample Volume: 500 mL

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Transformer Oil Moisture Tester
Transformer Oil Moisture Tester
The Transformer Oil Moisture Tester is an advanced piece of equipment designed for the accurate assessment of moisture content in transformer oil, safeguarding the functionality and durability of electrical machinery. It offers quick and precise measurement of water in ppm or aw (aw), thus field and laboratory work is possible with this device.
$1000 - $5500/ Per Piece
More Details

  • Moisture Range: 0-500 ppm

  • Accuracy: ±0.02 aw

  • Temperature Range: From 0°C to 55°C

  • Power Supply: 220V AC, 50Hz

  • Display: LCD with built-in printer

  • Weight: About 6 kg

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Transformer Oil Dielectric Loss Tester
Transformer Oil Dielectric Loss Tester
The Transformer Oil Dielectric Loss Tester is a sophisticated testing apparatus specially engineered for measuring the dielectric loss, power factor, and resistivity of transformer oil. It guarantees reliability of insulating oils through automated and accurate testing, making it suitable for both laboratories and the field.
$3000 - $10000/ Per Piece
More Details

  • Capacitance Range: 5 pF–200 pF

  • Dielectric Loss Range: 0.00001–100

  • Resistivity Range: 2.5 MΩm–20 TΩm

  • Temperature Range: 0°C–125°C

  • AC Voltage Range: 0–2200 V

  • Weight: About 21 kg

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Transformer Oil Automatic Oleic Acid Tester
Transformer Oil Automatic Oleic Acid Tester
The Transformer Oil Automatic Oleic Acid Tester is an analytical instrument which automates the testing of the acid number in transformer and turbine oils. The whole process of testing, from titration to detection of the endpoint is automated so that accuracy is ensured and chemical contact to the operator is minimized.
$4800 - $5600/ Per Piece
More Details

  • Acid Value Range: 0.001–1 mg KOH/g

  • Resolution: 0.001 mg KOH/g

  • Operating Temperatur: 0°C–45°

  • Display: Touchscreen LCD

  • Measurement Accuracy: ±0.003 mg KOH/g

  • Weight: About 9kg

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Transformer Core Grounding Current Tester
Transformer Core Grounding Current Tester
The Transformer Core Grounding Current Tester monitors grounding and leakage currents, safeguarding the transformer from faults and overheating. Its capabilities include real-time event plotting, data logging, USB connectivity, and is applicable to power systems and industrial use.
$500 - $2000/ Per Piece
More Details

  • Current Range: 0.00 mA–100 A

  • Resolution: 0.01 mA (minimum)

  • Frequency Range: 10 Hz–1000 Hz

  • Jaw Size: 80 mm × 80 mm

  • Data Storage: Up to 200 sets

  • Power Supply: DC 9V (6 × 1.5V batteries)

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Vacuum Oil Purifier Machine
Vacuum Oil Purifier Machine
The Vacuum Oil Purifier Machine removes moisture, gas, and impurities from transformer insulating oil through vacuum dehydration, multi-stage filtration, and controlled heating. It helps restore oil breakdown strength and supports reliable transformer maintenance in substations, factories, and service workshops.
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More Details

  • Flow Rate: 1800-30000 L/H

  • Working Vacuum: -0.08 to -0.0999 MPa

  • Working Pressure: <=0.5 MPa

  • Temperature Range: 20 C-80 C

  • Power Supply: 380V/50Hz

  • Filter Accuracy: 1 micron

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Chromatographic Analyzer
Chromatographic Analyzer
The Chromatographic Analyzer supports gas chromatography analysis of dissolved gases in insulating oil for transformer fault diagnosis. It is also suitable for hydrogen-cooled generator checks, SF6 impurity examination, natural gas analysis, boiler flue gas work, and environmental gas monitoring.
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More Details

  • Model: DSP-206A

  • Application: Dissolved gas analysis

  • Detectors: FID, TCD, ECD, FPD, NPD

  • Control: Microcomputer fault diagnosis

  • Connectivity: Modbus/TCP to DCS

  • Circuit: Low-noise 24-bit AD

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Closed Flash Point Tester
Closed Flash Point Tester
The Closed Flash Point Tester measures the flash point of transformer oil and other flammable liquids with automatic control, LCD operation, and accurate temperature management. It is designed for oil quality checks, safety verification, and laboratory or field testing workflows.
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More Details

  • Measurement Range: Room temperature to 370 C

  • Display: Large screen LCD

  • Accuracy: 0.1 C

  • Power Source: AC220V +/-5%, 50Hz/60Hz

  • Cooling Way: Forced air cooling

  • Power Consumption: 550VA

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Industries We Serve

Common Applications for power transformer test equipment

Predictive Maintenance

Fault recognition and corrective action taken for failure mitigation to enhance the transformer's operational life.

Factory & Post-Repair Testing

Assessment Pre-deployment validation and post-repair or post-upgrade assessment for dependability.

Routine Maintenance

Performs yearly inspections to identify any wear and degradation.

Event-Driven Diagnostics

Assessment Performance evaluation of systems or equipment following significant occurrences such as thunderstorms, surges in load demand, etc.
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why choose our Transformer Test Equipment

  • Expertise You Can Trust: Transformer diagnostic solutions earned over thirty years of industry experience.

  • Global Standards Compliance: Compliance with international IEC, ANSI, and IEEE standards ensures premier equipment quality.

  • Tailored Solutions: Unique systems crafted to fulfill precise requirements from each client.

  • Comprehensive Support: Help provided around the Installation and post-purchase questions.

  • Efficiency & Innovation: Cutting-edge automation saves 70% testing time.

why choose our Transformer Test Equipment

What Our Client Says

Our transformer test equipment has received positive testimonials from industry experts for their dependability and functioning.

Testing time during on-site servicing has improved dramatically with this product. Its interface is user friendly and measurement accuracy is remarkable.
Power System Engineer
John M.
Power System Engineer
Carrying out diagnostics has been made effortless with the mobility offered by this transformer test system. It is reliable and very easy to move from one location to another.
Maintenance Supervisor
Jessica T.
Maintenance Supervisor

Expert Guides to power transformer test equipment

Expert Guides to power transformer test equipment
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Getting a quote for Transformer Test Equipment

We provide extensive service and maintenance to guarantee efficient functioning of your transformer test equipment. Control all your transformer testing and ensure compliance and peak productivity performance with our industry-leading solution. Enjoy precise, safe and efficient transformer testing of tomorrow, today!

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