10 K PI - new 2025 march
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10 K PI - new 2025 march
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Automatic Oil BDV Test Set

The Motwane OTS Series is your go-to solution for reliably testing the dielectric strength of insulating oils found in crucial electrical equipment like transformers, capacitors, switchgear, and instrument transformers.
These tests are essential for ensuring that power systems operate safely and are well-maintained.

  • 25 Pre-programmed & 10 Customized test standards
  • Upgraded Sequence as per IEC60156-2018
  • Oil temperature measurement
  • Easy externally adjustable locking electrode gap
  • Fast precision breakdown detection
  • Ultra-fast HV switch off time
  • Suitable for mineral, ester and silicone oils
  • QR code generation for identification
  • Bluetooth connectivity
  • RBM Tes

Technical Specifications

Technical Specifications
Mains supply: 110V/220V, ±10%, 50/60Hz
Output voltage
0 – 100kV (OTS – 100A) 0 – 80 kV (OTS – 80A) 0 – 60 kV (OTS – 60A)
Voltage Accuracy: ≤ ± 1 kV
Voltage Resolution: 0.1kV
Voltage rise rate: 0.5kV to 5kV/sec
Switch-off time: <10us
Pre-programmed Standards
IEC 60156-2018, IEC 60156-1995, IS 6792, ASTM D877, ASTM D1816, UNE 21, BS5730A, BS 148, BS5874, VDE 0370, NFC 27, CE1344, OCT 6581, SABS 555, AS1767, STA 8286, IP 295
Customized Test Standards: 10
Programmable parameters: Stand time – 0 to 999 secs
Stirring Time – 0 to 999 secs
Intermediate stand time – 0 to 999 secs
Voltage Ramp-up– 0.5kV/sec to 5kV/sec
Iterations – 24
Temperature measurement: 0 – 99.9°C
Temperature resolution: 0.1°C
PC Interface: USB
Printer: Inbuilt Thermal Printer
Internal Memory: 100 test results
Display: Large LCD colour display
Protection
Zero start and HT cover open interlock
Open ground protection
Overload protection
Environmental condition: 0°C to +55°C, <90% RH, non condensing
Safety Standards
IEC61010, IEC61326 Dimension: 650mm X 320mm X 361mm Weight: < 39kg
Standard Accessories
Oil Test Vessel with mushroom electrodes
Magnetic Oil Stirrer
Retriever for Magnetic Stirrer
Electrode gauge set – 1.0mm / 2.0mm / 2.5mm / 2.54 mm / 4.0mm
Pendrive loaded with OTS software
USB Cord
Mains Cord
User Manual
Calibration Certificate
Optional Accessories
Voltage checker
Oil test vessel with spherical electrodes
Oil test vessel with cylindrical electrodes
Motware mobile app

FAQs

The device is a fully automatic microprocessor-based BDV (Breakdown Voltage) tester designed to measure the dielectric strength of insulating oils used in transformers, switchgear, capacitors, and instrument transformers. It helps detect oil degradation due to contaminants like moisture or particles, ensuring safe and reliable operation of high-voltage equipment.

Dual Safety Micro Switches on chamber cover, Zero Start Interlock, Emergency Stop Button, Open Ground Protection, Auto Trip and Reset, IP40 Rated Enclosure, Designed per IEC61010-1:2010 and IEC 61326 EMC standards