OTS-A series is fully automatic microprocessor based transformer oil test set designed with advanced features to measure breakdown voltage of insulation oil accurately. The OTS-A Series preprogrammed with worldwide acceptable standards. The user can define customized standards also. It has large LCD display with touchpad for easy operation and also provided with internal memory for 100 data storage & inbuilt printer for onsite report generation. The kit is protected by automatic detection of poor input ground.The acrylic oil test vessel provided with adjustable electrode gap setting. The voltage calibrator for onsite calibration saves cost & time.

Enquiry Brochure


  • Fully automatic and micro processor based
  • Comes in 3 variant OTS-100A, OTS-80A & OTS-60A
  • Programmable test sequences
  • Large LCD with touchpad for alphanumeric entries
  • Internal Memory for 100 test results
  • USB Interface and software for report generation
  • In-built thermal printer for onsite reports
  • Voltage calibrator for onsite calibration


Standard Accessories
  • Oil test vessel with mushroom electrode assembly
  • Magnetic oil stirrer
  • Lifting stick for magnetic stirrer
  • Go - No - Go gauge
  • Mains cord
  • User manual
  • Calibration Certificate
Optional Accessories
  • Voltage Calibrator
  • Oil test vessel with Spherical Electrodes
  • Oil test vessel with Cylindrical Electrodes