14
To stop the test, click ‘Stop’. Click ‘Return’ to stop the current operation and return to
the menu selection interface. After the countdown is over, the pure water test will start
automatically and the tension dynamic curve will be displayed After the test, the
instrument will calculate the result according to the set parameters and display it on
the interface
Click "retest" to return to the pure water calibration interface to continue testing. Click
‘Return’ to return to the menu selection interface.
3.4 According to Article 5.3 of GB6541, the calibration value of pure water should be
between 71 and 72 millinewtons/m. If there is a difference, please repeat Article 1.1,
1.2 and 3.1 of this manual and burn the platinum ring on the alcohol lamp to Clean.
(Pour absolute ethanol into the tension cup before making the oil sample, replace