20
back of the instrument.
5. Switch on 220V power supply. Note: 220V power supply
should have good grounding wire!
VII. Test procedure
1. Turn on the power, instrument display the main menu.
2. Blank test: if change the extract liquid, blank experiment
must do first before sample test. Put one empty cup into position
1st, and place one stir. Adjust the sample weight is "blank", press
"start" button, the machine will automatically blank experiment
operation. (Note: to observe the neutralization liquid titration speed
about every drop 1 second) and then take out the blank experiment
cup, begin test.
3. Sample test:
(1) Press "set." key in the boot screen, enter the neutralization
liquid concentration.
(2) With finger touch to modify parameters are selected, press
"▲", "▼" button input neutralization liquid concentration.
(3) Press the "RUN" key in the boot screen, enter the sample
oil test.
(4) Sample weighing: sample with a syringe, insulating oil and
turbine oil is 8 ml, fire-resistant oil is 1 ml, take its net weight and
