Oil Testing Laboratory

Oil Testing Laboratory

Contact Details

Shri Manas Chakraborty,
Scientific Officer Gr 4 The Unit Head
Regional Testing Laboratory(RTL), Kolkata
Tel: 033-64511887,
Mob: +91 9957368288
E-mail: rtlk[at]cpri[dot]in / manas[at]cpri[dot]in

Major Product/Equipment tested with applicable standards

Major Product/Equipment tested with applicable standards : 

  • Transformer in-service oil
  • New Insulating Oils 
  • Ester oils
Major tests Carried Out

Major tests Carried Out:

  • Interfacial Tension
  • Flash Point
  • Neutralisation Value
  • Electric Strength (BDV)
  • Dielectric Dissipation Factor (Tan Delta)
  • Specific Resistance (Resistivity)
  • Water Content
  • Sediment and Sludge
  • Furan Analysis
  • Dissolved Gas Analysis (DGA)
  • Density
  • Viscosity
  • Pour Point
  • Counting and Sizing Particle
  • Ageing by open Beaker 
  • Oxidation Stability
  • PCBs Content 
  • Potentially Corrosive sulphur 
Range of the test

Range of the test ratings possible :

Any voltage / power rating of the transformer