JZ-200 series interfacial tension meter: It is an instrument that uses physical methods instead of chemical methods to test the surface and interfacial tension of liquids. The interfacial tension meter is widely used in production, scientific research and teaching in the fields of electric power, petroleum, and chemical engineering. Product Introduction: The JZ-200 series interfacial tension meter is an instrument that uses physical methods instead of chemical methods to test the surface and interfacial tension of liquids. The interfacial tension meter is widely used in production, scientific research and teaching in the fields of electric power, petroleum, and chemical engineering. Executive Standard: JB/T 9388, ISO1409, SH/T1156. Performance Characteristics: Model JZ-200W: Using computer control technology, in addition to all the functions of JZ-200A, it also has the functions of automatic measurementdisplayprinting of data curves, test reports, etc. Its software system adopts WINDOWS Chinese operation interface. Technical Parameters: 1. Measuring range: 0-199.9mN/m 2. Resolution: 0.01mN/m 3. Digital display, with the function of maintaining the maximum tension value 4. Platinum ring radius (R): 9.55mm 5. Platinum wire radius (R): 0.3mm 6. Relative error of indication: <2% 7. The relative error of the repeatability of the indication: <2% 8. Power supply AC220V 50Hz 2A 9. Dimensions: 240×430×350(mm)