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    Dielectric Strength Insulating Oil Tester, 0 ~ 80KV

    Factory price dielectric strength insulating oil tester comes with 0 ~ 80 KV measuring range, 1 experimental cup and LCD display to measure the dielectric strength and quality of insulating oils. This transformer oil tester is commonly used in the electrical power industry to assess the condition of insulating oils used in transformers, circuit breakers, and other high-voltage equipment.
    SKU: ATO-BDV-80
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    A dielectric strength instating oil tester with 0~80KV measuring range, typically uses a high-voltage source to apply a voltage across two electrodes submerged in the oil sample. The voltage is gradually increased until the oil breaks down, causing an electrical discharge between the electrodes. ATO transformer oil tester comes with LCD display which can show the oil parameters including acidity, interfacial tension and dissipation factor.


    • The dielectric strength oil tester is controlled by dual CPU microcomputer.
    • A series of operations such as boosting, returning to zero, stirring, displaying, calculating, and printing are automatically completed.
    • The transformer insulating oil tester has over-voltage, over-current, and automatic zero-return protection devices to ensure safety and reliability.
    • The transformer oil tester adopts automatic sine wave generating device and stepless voltage regulation method to increase the pressure, so that its voltage is more stable and reliable.
    • The data is automatically stored, and can be recalled and printed at any time.
    • The dielectric strength oil tester adopts dry-type transformer combination, which is small in size, light in weight and easy to use.


    • Model: ATO-BDV-A1160-80KV
    • Number of Experimental Cups: 1 cup
    • Display Mode: LCD Display
    • Measuring Range: 0 ~ 80 KV
    • Voltage Distortion Rate: <3%
    • Boosting Speed: 0.5 ~ 5KV/S (Adjustable)
    • Accuracy: 2%
    • Resolution: 0.01 KV
    • Standing Time: 0 ~ 15 Minutes (Adjustable)
    • Boost Interval: 0 ~ 5 Minutes (Adjustable)
    • Boost Time: 1 to 9 Times
    • Booster Capacity: 1.5 KVA
    • Measurement Accuracy: ±3%
    • Power Supply Voltage: AC 220V ± 10% 50 Hz ± 1 Hz
    • Power: 200W
    • Applicable Temperature: 0℃ ~ 45℃
    • Applicable Humidity: <75%RH
    • Dimension: 490mm×430mm×420mm
    • Weight: 25.7kg

    Tips: What is a dielectric strength oil tester?

    A dielectric strength oil tester, also known as a transformer oil tester or insulating oil tester, is a specialized device used to measure the dielectric strength and quality of insulating oils. Insulating oils are commonly used in electrical transformers, circuit breakers, and other high-voltage equipment to provide electrical insulation and cooling.

    Dielectric oil testers are essential for assessing the condition of insulating oils and identifying any potential degradation or contamination that may affect the performance and reliability of the equipment.

    Transformer oil testers are typically portable devices equipped with precise measurement and control capabilities. They help maintenance personnel and engineers in performing routine oil analysis, diagnosing potential issues, and making informed decisions about oil replacement or maintenance procedures. Regular oil testing allows for proactive maintenance, extends the lifespan of electrical equipment, and reduces the risk of failures or breakdowns.

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