Beijing Jinshengxin Testing Machine Co., Ltd.
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Wilhelmy Plate Tensiometer Du Noüy Ring Tensiometer Laboratory Surface Tension Analyzer
Applicability:
Surface tension testers are widely used in scientific research, industrial production and quality control fields.
Their main uses include:
Materials Science:
Measuring the surface tension of liquids such as coatings, inks, adhesives, and evaluating their wettability and spreadability.
Chemical and petroleum:
Analyze the performance of surfactants and the interface tension of crude oil, and optimize the process flow.
Pharmaceutical industry:
Detect the surface tension of the drug solution to ensure the stability and dispersion of the drug.
Food Industry:
Research the surface characteristics of emulsifiers, beverages, etc. to improve product quality.
Biomedicine:
Measuring the surface tension of biological fluids (such as blood, cell culture fluids), assisting in disease diagnosis and research.
Characteristics:
1. Using advanced strain or electromagnetic force balance sensor, with high precision, high repeatability characteristics.
2. Digital tube display mode, real-time display of the current weight, the current surface tension value.
3. Design platinum plate, platinum ring at the same time two test methods, can choose one of them, can also choose two at the same time.
4. The surface tension value was collected in real time and the surface tension curve was recorded in the whole process. The software automatically displays the peak surface tension and automatically converts the equivalent surface tension according to the temperature.
5. Convenient lifting bracket for platinum plate and platinum ring, which is very easy for users to unload, and the accuracy of force value can be calibrated by standard weight at any time.
6. One-key peeling function, the number does not jump, zero drift.
7. Delicate ball screw lifting system, no noise, rising and falling speed is stable.
8. Provide data collection and management software.
9. Meet but not limited to the following standards:
GB/T6541-86 ISO1409-1995 GB/T22237-2008 SH/T1156-95
ISO6295-1983 JB/T18396-2001 GB/T5549(ISO 304-1985)
Parameter:
| Model | ZL-E1 | ZL-E2 |
| Test method | Design platinum plate and platinum ring at the same time, can choose one of them, can also choose two at the same time | |
| Control mode | Manual lifting | |
| Display mode | LED digital tube display | |
| Measuring time | Platinum plate method ≤10s. Platinum ring method ≤50 s | |
| Sample size required | Platinum plate method ≥3mL; Platinum ring method ≥5mL | |
| Test range (mN/m) | 0-1000 | 0-1000 |
| Resolution ratio(mN/m) | 0.1 | 0.01 |
| Accuracy(mN/m) | 0.1 | 0.01 |
| Repeatability(mN/m) | 0.1 | 0.01 |
| Precision of Electronic balance | Domestic 1/1000 grams | Domestic 1/10000 grams |
| Weighing system type | Electromagnetic force balance | |
| Accuracy automatic calibration | Accuracy automatic calibration: provide weight correction, distilled water and ethanol coefficient correction, temperature correction | |
| Data acquisition software | Standard: the configuration software can operate, store, export Excel data and print by computer | |
| The micro printer interface | Optional | |
| Thermostatic temperature control interface | Optional: it can test the value of surface tension at a specific temperature | |
| Equipment weight and size | 20cm*35cm*35cm,7.5kg； | |
| Power | 100W | |
