Frequently Asked Questions

Working with NTT


  • What type of testing do you perform?
  • Where are you located?
  • What are your typical turn around times?
  • How are samples taken and stored for analysis?
What type of testing do you perform?

We primarily perform fluid analysis on oil-filled electrical apparatus. Dissolved gas analysis (DGA) and physical, chemical, electrical (PCE) analysis of insulating fluids are our main focus.

Where are you located?

We are located in Sacramento, California in the USA.

What are your typical turn around times?

Typically a sample report is available within 7 working days. Many times we report much sooner than 7 working days. Special handling and rush analysis is available upon request.

How are samples taken and stored for analysis?

A sampling kit which consists of a glass syringe and poly bottle is supplied free upon request. Analysis is performed on fluids in both the syringe and bottle.


Frequently Asked Questions

Analysis Details


  • What types of fluids can you analyze?
  • Do you perform PCB analysis?
  • Can I get paper winding analyzed?
What types of fluids can you analyze?

We can test insulating fluids which come in several types. The most commonly used fluids are mineral oil, esters, silicone, r-temp, perchloroethylene and trichloroethylene.

Do you perform PCB analysis?

Polychlorinated Biphenyl (PCB) analysis can be performed and reported within 7 working days. PCB analysis can be perform on oil, wipe, soil, or water samples. Rush analysis is available upon request.

Can I get paper winding analyzed?

We can perform furan analysis on the oil and degree of polymerization (DP) on the kraft paper. Furan analysis gives only an estimated DP value.



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•Fully Independent Laboratory Services
•Customized reports
•Free sampling containers
•Favorable pricing
•Timely accurate data


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