Measurement of the Merit of Dispersancy of In-Service Engine Oils with Blotter Spot
The DT100DL operates according to ASTM D7899. The instrument simultaneously measures soot and dispersancy. The results reported are combining soot content and dispersancy performance.

Technical Specifications

Test Methods ASTM D7899
Dispersancy(MD) 100 (good) to 0 (verypoor)
Contamination index(IC) 0.1 to 5%
Combined Performance Rating(DP) 0(good) to 200 (very poor)
Duration of spot analysis Few seconds per spot
Max spot diameter Up to 45 mm
Electrical specifications 115 to 230V – 2 A – 50/60 Hz
Dimension 305 x 487 x 390 mm
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