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OTD Oil Tan Delta Test Set
Megger Oil Tan Delta (OTD) Test Set for Transformer Oil

Make/Model: Megger OTD
 

Product Overview
Automated lab instrument for testing insulating oil quality—measuring tan delta, resistivity, and permittivity—with built-in cell temperature control and calibration checker.
 

Included Equipment

  • OTD main unit with oil test cell and heater
  •  Integrated cooling fan and automatic oil drain
  •  OTD Calibration Checker attachment
  • PowerDB Lite software

Technical Specifications:

  • Temperature Range: 10 °C to 110 °C, accuracy ±1 °C
  • Auto features: Pre-heat, oil drain, fill funnel, uniform heating
  • Standards: IEC 60247, IEC 61620, ASTM D924/D1169, BS, JIS, VDE, IS standards
  • afety: Instant HV removal via keypress, easy assembly/disassembly

Applications

  • Insulating oil condition assessment in transformers/switchgear
  • Preventive maintenance for dielectric deterioration
  • Laboratory certification and quality control.