Product information

This product supersedes product no: 773150

The Unitorâ„¢ TBN, Total Base Number, Test Kit is a major advance in portable tests for oil alkalinity. The kit gives results for crankcase and other lubricants in a very short time, normally about 5 minutes. Designed for testing lubricants with TBN up to 150. The results may be used as an in-service check of depleting TBN to the equilibrium value.

Unitorâ„¢ Digital Cell provides a refreshed, but familiar, interface with the addition of smart features to enhance the user experience. You can easily set up sample points and transferred results to the computer. The unit is also chargeable and is capable of showing the number of tests available before charging is needed.


  • USB-rechargeable battery with indication of tests remaining before charge
  • Single reagent (patented) and consumables
  • Simple cleaning with water after use


  • Fast, accurate and reliable oil test results within minutes
  • Single reagent with simple and user friendly method direct and reliable measurements
  • Non-toxic and safe handling for users