Doc : AM220-001E Release: 1.5 updated : October 2014
SP 10 – TEST OPERATION
Operation principle description
The smoke point test with the SP 10 is as simple as is an automated flash point test.
Phase 1.The operator prepares the
candle according to the test method
instructions (see the section “Test
procedure – Candle preparation”
above);
Phase 2. The candle is then positioned
on the conveyor of the analyzer
Phase 3.The operator keys in all sample
details and then initiate the test
Then all the procedure is automated.
The candle is automatically lit, the five
minutes stabilization time is followed
by the three readings of the flame
height
Definition of smoke point given by the standard:
The test method procedure requires to raise the candle until a smoky tail appears, then lower the candle
slowly through the following stages of flame appearance:
Smoky flame - A long tip; smoke slightly visible; erratic and jumpy flame.
Flame A - An elongated, pointed tip with the sides of the tip appearing concave upward
Flame B - The pointed tip just disappears, leaving a very slightly blunted flame. Jagged,
erratic, luminous flames are sometimes observed near the true flame tip. These shall be
disregarded.
Flame C - A well rounded tip
The smoke point value corresponds to the height of flame B.
The SP10 software analyses flame images taken by digital camera and automatically detects the flame
shape corresponding to the flame B according the standard.
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