Base Number (BN)
Motor oils are constantly exposed to acidic combustion products during operation, which leads to a reduction in the alkaline reserve of the oil.
Alkaline reserve
The alkaline reserves of the engine oil are used up during the operation of engines.
Lifetime
Without a base balance, acids from the combustion process can attack the materials.
Application
CMT has made 3 different versions of the test cell to combine the functions for a usecase.
The CMT BN Test Kit provides state-of-the-art analysis and gives fast, accurate results within a couple of minutes.
The Standard BN Test Kit has been developed for all standard applications like testing the system oil used in all kinds of diesel engines, while the CDO BN Test Kit has been specially developed to test the scraped down cylinder drain oil in two stroke crosshead engines.
The CDO BN Test Kit software has been developed specifically to give reliable results despite the fact that used drain oil may have dropped down to only 10% BN reserve left compared to the fresh oil.
The CMT BoB BN Test Kit allows to test the base number of cylinder oils blended on board. It will report the BN of the blend as well as the mixing ratio. Furthermore the BoB BN Cell allows to test the remaining BN of the drain oil and the remaining BN of the system oil. For easier handling it allows to store calibration for 5 different system oils and 3 different cylinder oils for drain oil testing.
Following Test Kits are available:
Standart BN - for system oil only
CDO BN - for cylinder drain oil only
BoB BN - for system oil, cylinder drain oil and blending
Product info
Related articles
Your Benefits
- Protect your engine from acidic residue of the combustion process
- Quick measurement
- Easy test with intuitive software
- Save measurements for trend analysis
Ordering Information
OTK-CT-11202
Standard BN Test Kit (for system oil)
Range: 1-180 BN
Accuracy: Typically +/- 5 % of fresh oil BN
OTK-CT-11214
CDO BN Test Kit (for cylinder drain oil)
Range: 1-180 BN
Accuracy: Typically +/- 5 % of fresh oil BN
OTK-CT-11217
BoB BN Test Kit
(for blending, cylinder drain oil)
Range: 1-500 BN
Accuracy: Typically +/- 2% or +/- 3 of
fresh oil BN
Dimensions: Ø 68 mm x 84 mm
Weight: 490 g
Test Time: 5 minutes
Memory: last 10 readings for each
individual oil
Reagents: non hazardouz
Reagent & Spares
OTS-CT-13002:
Spare BN TouchCell
OTS-CT-13027:
Spare CDO BN TouchCell
OTS-CT-13006:
Spare BOB BN TouchCell
OTS-CT-13004
Set of O-Rings for TouchCell
SW-C00004-CT
Download Option TouchCell License for Datadownload