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pure water with alcohol, and repeat the pure water calibration test to improve the
cleanliness of the platinum ring. The tension value of absolute ethanol above 22
indicates the cleanliness of the platinum ring Basically, it can be replaced with pure
water for pure water calibration until the calibration value reaches between 71 and 72
millinewtons/m) 3.5 After passing the pure water calibration, press the "return" key to
return to the menu selection interface.
4. Sample test
4.1 Click "Sample Test" to enter the sample test interface
The distilled water and sample pouring position are shown in the figure below:
After adding the sample according to the prompts, click "Continue", the tension test
will be automatically delayed after 30 seconds, and the tension dynamic curve will be
displayed.
