Auto Dielectric Oil Du Nouy Ring Tensiometer

Introduction:

ASTM D971 Test Method for Interfacial Tension of Oil Against Water by the Ring Method

LCD Auto Dielectric Oil Du Nouy Ring Tensiometer,(Platinum ring method is a traditional testing method which has been about 70 years. It is made of platinum wire with a diameter of 0.37mm to make a ring with circumference of 60mm. In the test, the platinum ring dips into the liquid surface (or interface two kinds of non mixing liquid ) by 2-3mm, and then slowly lift the platinum ring up, and there will form a film between the ring and the liquid surface. The film has a pull down force on the platinum ring, measuring the maximum force exerted on the ring in the lifting process of the entire platinum ring, and then converting it into a true surface/interface tension value.)

Characteristic:

1. Adopt new generation powerful microprocessor, automatically measure sample tension value;

2. 10 inch 65K ((resolution 800*600) color LCD touch screen display, English menu operation for overseas customers;

3. After electrostatic spray treatment, the appearance of the surface becomes corrosion resistant, and more easy to clean;

4. With 25℃ automatic temperature compensation function, avoiding the influence of temperature on the measured value of tension;

5. Automatic zero adjustment, automatic measurement, calculation and display the experimental results, with memory storage function when powers off;

6. Lifting platform can be lift up and down automatically and smoothly with low noise and high accuracy;

7. Using magnetic tank closed sensor and equal interval multi-point calibration to improve the repeatability and reproducibility of measurement results;

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