21
record cup number.
(5) Put the oil cup into corresponding number plate, place one
stir respectively.
(6) Selected experimental cup corresponds to the sample
weight, and input samples weight.
(7) Press the "RUN" key to determine sample automatically.
(8) every sample finished, the screen shows the test results,
for the sample set is complete, the instrument will automatically
print the measuring results (if you choose the automatic printing
function).
VIII. Cautions
1. The cup must be cleaned with absolute alcohol, and be used
after drying.
2. Before test acid value must do a blank experiment first, if
measuring cups of oil sample can do one blank experiment. If the
interval time is longer or the environment temperature changes,
then blank test must be done before each oil sample test. Please
confirm and check whether the stir into the cup and it was the first
cup.
3. Special reminder: blank test, neutralizing liquid drop speed
must not be too fast, otherwise it will make the number of droplets