Automatic Interface Tension Tester For Chemical , Petroleum , Electricity , Railway
Product Overview:
The platinum ring method is a traditional test method, which takes about 70 years. It is made of a platinum wire having a diameter of 0.37 mm and a ring having a circumference of 60 mm. During the test, the platinum ring is immersed in the liquid surface (or two non-mixed interfaces) for 2-3 mm, and then the platinum ring is slowly lifted upward, and a film is formed between the ring and the liquid surface. The membrane has a pull-down force on the platinum ring, measuring the maximum force applied to the ring during the entire platinum ring lift process, and then converting it to a true surface (interface) tension value.
The automatic interface tension measuring instrument is based on the principle of [Platinum Ring Method] to measure the surface tension value of precise liquid. The instrument integrates a number of advanced technologies and is widely used in chemical, petroleum, electric power, scientific research, railway and other industries.
The main function:
1. Fully automatic measurement of sample tension value using a powerful new generation microprocessor;
2 .8 inch 65K (resolution 800*600) color touch LCD display, Chinese and English prompt menu operation;
3 .The appearance surface is treated by electrostatic spray, anti-corrosion and easy to clean;
4 .With 25 °C automatic temperature compensation function, it solves the influence of temperature on the measured tension value;
5. The instrument automatically zeros, automatically measures, calculates, displays the experimental results, and has a power-down storage function;
6 .The instrument lifting platform is automatically raised and lowered, stable, low noise and accurate;
7.Using a magnetic can-closed sensor, using equal-interval multi-point calibration, the repeatability and reproducibility of measurement results are improved;
Standards:
GB6541-1986 "Determination of oil-to-water interface tension of petroleum products" (circle method)
ISO 6295-1983 "Determination of interface tension of petroleum products and mineral lubricating oils to water"
JB/T 9388-1997 "Technical conditions for interface tension meter"
ISO1409-1995 "Determination of surface tension of plastics, rubbers, polymer dispersions and latexes
SH/T1156-92 "Synthetic latex surface tension measurement method"
GB/T 5549ISO 304-1985 "Surface Determination of Surface Tension by Surfing Liquid Membrane Method"
Standard requirements for ISO 4311-1979 "Methods for the determination of surface tension by anionic and nonionic surfactant rings".
GB/T 22237-2008 Surface active agents Determination of surface tension
JB/T 18396-2001 Natural latex Determination of surface tension by ring method
ISO14090-82, ASTM D1417, EN14370, ZB2025-93, GB2960-82 and other standards.
Main Specifications:
| Display mode | 8 inch 65K (resolution 800 * 600) color touch LCD display |
| Measurement method | Principle of platinum ring method |
| Platinum ring radius | R9.55 platinum wire r0.3 |
| Measuring range | 0-400mN/m. |
| Sensitivity | 0.01mN/m |
| Accuracy | ±0.01mN/m |
| Self-test function | automatic diagnosis of instrument failure |
| Temperature compensation | automatic temperature compensation of the instrument |
| Power consumption | less than 40W |
| Dimensions | 440 × 190 × 350mm |
| Operating environment | Temperature 10 ° C -40 ° C, humidity ‹ 80% |
| Power source | AC220V±10% 50HZ±2.5HZ |
| Weight | about 7.5 kg |
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