Interfacial Tension Tester

UHV-670 Automatic Tension Tester
The fully automatic interfacial tension tester is used to measure the surface tension of various liquids (liquid-gas interface) as well as the interfacial tension between mineral oil and water (liquid-liquid interface). The instrument features a color touchscreen display and unmarked keys, along with a full Chinese character menu prompt system. It offers a high degree of automation, reliable operation, good repeatability, and extremely simple operation. Once powered on, simply follow the menu prompts to complete the entire test process.
Why Choose Us?
Our company has been specializing in the production and manufacturing of Interfacial Tension Testers for 21 years, with a modern intelligent factory covering over 40,000 square meters and more than 100 automated production, manufacturing, assembly, and testing equipment. We have obtained CE certification and currently serve over 20,000 customers worldwide.
Product Characteristics
1、The interfacial tension tester adopts a color touch screen display and a non-marked button with full Chinese character menu prompts.
2、It has a high degree of automation, reliable work, good repeatability, and extremely simple operation.
3、All tests can be completed by simply pressing the menu prompts after turning on the machine.
4.Wide Range of Applications .Widely used in electric power, petroleum, chemical industries, research institutes, and quality inspection departments.



Product Parameters
|
Measuring range |
2~200 millinewtons/m |
|
Sensitivity |
0.1 millinewtons/meter |
|
Accuracy |
0.1 millinewtons/meter |
|
Resolution |
0.01 millinewtons/m |
|
Repeatability |
0.3% |
|
Applicable temperature |
10~30℃ (typical value: 25℃) |
|
Applicable humidity |
(20~75)﹪RH |
|
Power supply |
AC 220V±5% 50Hz |
|
Power |
20VA |
|
Dimensions |
185×260×360 (mm) |
|
Weight |
15kg |
Functional Features of interfacial tension tester
1. High precision interface tension measurement
2. Automated operation and efficiency
3. Multiple measurement modes
4. High stability and temperature control function
5. Data processing and analysis capabilities
6. Wide range of application areas
Working principle
The fully automatic interfacial tension tester mainly evaluates the relevant state of insulating oil by measuring the interfacial tension between the oil sample and water. Under the specified testing conditions, the instrument brings the testing ring into contact with the liquid and generates corresponding interfacial effects. By detecting the force values generated during the testing process and calculating internally, the oil-water interfacial tension test results are obtained.
For electrical insulating oil, the interfacial tension between oil and water can show a certain sensitivity to changes in soluble polar pollutants and oxidation products in the oil, and therefore can be used as an auxiliary indicator for analyzing the state of insulating oil.
Application Scenarios of interfacial tension tester
Petroleum and Lubricants
Determines the oil-water interfacial tension
Evaluates the quality of transformer oil and insulation oils
Ensures compliance with ASTM D971 and IEC 62961
01
Chemical and Pharmaceutical Industries
Evaluates surfactant efficiency in emulsions and detergents
Helps in formulation and stability studies
02
Food and Beverage Industry
Measures the surface tension of edible oils, dairy products, and beverages
Ensures stability in food processing
03
Coatings, Paints, and Inks
Evaluates wetting performance for coatings and paints
Helps optimize adhesion and dispersion
04
Aerospace and Automotive
Analyzes oil-water interfaces in aviation fuel
Ensures the quality and performance of lubricants and coolants
05


Main applications
Transformer oil interface tension detection
Quality inspection of electrical insulation oil
Analysis of Aging Status of Transformer Oil
Preventive testing of power equipment
Substation oil laboratory
Electric Power Maintenance and Testing Center
Electric power research and testing institutions
Insulation Oil Production and Quality Control Laboratory
Applicable Industries
The fully automatic interfacial tension tester is widely used in scenarios such as power companies, substations, transformer manufacturing enterprises, power testing research institutes, third-party testing institutions, insulation oil production enterprises, and university research laboratories.
Selection Guide of interfacial tension tester
1、Choose according to industry needs
Different industries have different requirements for fully automatic interfacial tension testers. The power industry focuses on whether the measurement range and accuracy of instruments comply with relevant standards; The petrochemical industry places greater emphasis on testing speed and automation level.
2、Consider technical indicators
Pay attention to key technical indicators such as measurement range, accuracy, resolution, sensitivity, etc., to ensure that the instrument can meet actual detection needs.
3、Evaluate cost-effectiveness
Not only should price be considered, but also factors such as product performance, quality, and after-sales service should be comprehensively considered to choose products with high cost-effectiveness.
4、Inspect after-sales service
Choose a brand with a comprehensive after-sales service system to ensure timely technical support and maintenance during instrument use.
FAQs of interfacial tension tester
Q1: What types of liquid interfacial tension can this interfacial tension tester measure?
A1: It can measure liquid-gas interfacial tension (liquid surface tension) as well as liquid-liquid interfacial tension (e.g., interfacial tension between mineral oil and water). It is suitable for petroleum products, lubricating oils, aqueous solutions, and various industrial liquids.
Q2: What are the advantages compared to manual interfacial tension measurement methods?
A2:Automated operation reduces human error
High-precision measurement with good result repeatability
Fast test completion improves experimental efficiency
Direct data output eliminates manual calculations
Q3: What is the measurement range of interfacial tension tester?
A3: The measurement range is 2~200 mN/m, covering a wide variety of sample types from low interfacial tension liquids to high interfacial tension liquids, meeting the needs of both laboratory and industrial applications.
Q4: How is data reliability ensured?
A4: High-precision sensors, automatic calibration, and menu-guided operation ensure the reliability of test data. A repeatability of 0.3% guarantees consistency across multiple measurements, making it suitable for standardized testing and scientific research experiments.
As one of the leading interfacial tension tester manufacturers and suppliers in China, we warmly welcome you to buy high-grade interfacial tension tester made in China here from our factory. For price consultation, contact us.
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