AD Systems has developed a portable on-site fully automated instrument for compatibility and cleanliness of
residual fuel oil and distillate according to ASTM D4740 spot test.
On board a vessel the ST10 is a good way to measure the compatibility of marine fuels(DM, HSFO, RM, ULSFO,
VLSFO,…).
This patented portable device – ST10 is a complete automation of the ASTM D4740 method.
All the phases of the test are grouped in a suitcase, the conditioning of the samples, the preparation of the
spot, its drying and the automatic rating by camera and associated software.
The only phases under the load of the operator are the sampling and the deposition of the drop with the aid
of a micropipette supplied with the equipment.
As a result, the apparatus can be used anywhere by untrained persons whenever power is available.
The results are stored in a built-in result database. The image of the spot is memorized at the time the spot is
rated. The ST10 ensures perfect traceability of the test.