Precision dielectric tester for transformer oils and insulating fluids

The GDYJ‑502 is a state-of-the-art oil dielectric strength tester capable of measuring breakdown voltage up to 100 kV, ensuring insulation quality in electrical fluids.

The GDYJ‑502 Transformer Oil Breakdown Voltage Tester is engineered for accurate and fully automated testing of dielectric strength in transformer and insulating oils. Featuring a programmable automatic voltage ramp, real-time digital display, and safety interlocks, it meets global standards such as IEC 60156, ASTM D877/D1816. Ideal for use in laboratories, substations, utilities, and maintenance facilities, this unit supports a wide range of testing protocols and batch reports. Certified with CE and ISO, the GDYJ‑502 ensures reliable, repeatable results and operator safety.


Key Features:

  • Voltage testing range: 0–100 kV

  • Fully automatic with programmable test sequences

  • Real-time digital readout and auto-stop safety mechanism

  • Compatible with transformer, capacitor, and cable oil testing

  • Supports IEC 60156, ASTM D1816, D877 standards

  • CE and ISO certified

  • Ideal for industrial labs and power utilities


Product Table (English)

Model Number Voltage Range Power Supply Certifications Functions Prices
Model 1: GDYJ‑502 0–100 kV AC 220 V CE, ISO Certified Dielectric breakdown testing for insulating oils Price on request

Images may vary slightly from the actual product depending on the model. Please review the description before ordering.

6٬512٫00 ر.س.‏
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The GDYJ‑502 Transformer Oil Breakdown Voltage Tester is engineered for accurate and fully automated testing of dielectric strength in transformer and insulating oils. Featuring a programmable automatic voltage ramp, real-time digital display, and safety interlocks, it meets global standards such as IEC 60156, ASTM D877/D1816. Ideal for use in laboratories, substations, utilities, and maintenance facilities, this unit supports a wide range of testing protocols and batch reports. Certified with CE and ISO, the GDYJ‑502 ensures reliable, repeatable results and operator safety.


Key Features:

  • Voltage testing range: 0–100 kV

  • Fully automatic with programmable test sequences

  • Real-time digital readout and auto-stop safety mechanism

  • Compatible with transformer, capacitor, and cable oil testing

  • Supports IEC 60156, ASTM D1816, D877 standards

  • CE and ISO certified

  • Ideal for industrial labs and power utilities


Product Table (English)

Model Number Voltage Range Power Supply Certifications Functions Prices
Model 1: GDYJ‑502 0–100 kV AC 220 V CE, ISO Certified Dielectric breakdown testing for insulating oils Price on request

Images may vary slightly from the actual product depending on the model. Please review the description before ordering.

Products specifications
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Warranty Product warranty