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ASTM D971 Automatic Oil Surface Tensiometer
KN-971 conforms to ASTM D971 Standard Test Method for Interfacial Tension of Oil Against Water by the Ring Method. It can be used to replace chemical method with physical method, and can be used to measure the surface tension value of a variety of liquid quickly and accurately.KN-971 can also be separated from the use of the computer, built in LCD digital display and small printer, can be stand alone operation, can also be connected to the computer control to observe the dynamic changes in tension curve.
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