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This post was last edited by Black gold on 2011-12-8 at 16:40. The automatic tensiometer uses the ring method to measure the surface tension of various liquids under unbalanced conditions (liquid-gas interface), as well as the interfacial tension between mineral oil and water (liquid-liquid interface). This instrument utilizes microprocessor technology, featuring a high degree of automation, simple operation, and reliable performance. After the sample to be tested is inserted into the sample cup, simply pressing the start button allows the instrument to automatically carry out the measurement of the sample, and it can also calculate the tension value of the sample based on the specific parameters entered. This instrument utilizes microcontroller technology, features a large LCD display, has an attractive design, high degree of automation, simple operation, high accuracy, and good repeatability. Save input data parameters in case of power loss ； It has a temperature correction function. This instrument is widely used in industries such as electricity, petroleum, chemicals, and railways for measuring interfacial tension in production processes and products. Technical parameters display system: Large-screen LCD display. Interface tension measurement method: Ring method (GB/T6541-86); Measurement range: 5–95 mN/m. Movement speed: Fast: 1 mm/S; Slow: 0.3–0.4 mm/S. Sensitivity threshold: 0.1 mN/m. Accuracy: ±0.4 mN/m. Applicable temperature range: 10–30°C. Relative humidity tolerance: ≤80%. Power supply: AC 220V ±5%, 50 Hz. Power consumption: 20 VA. Dimensions: Length 185, Width 290, Height 360. Weight: 15 kg