Beijing Tonghe Testing Machine Co., ltd
| Payment Terms | T/T,L/C,Western Union,MoneyGram,D/A,D/P |
| Supply Ability | 20 sets per month |
| Delivery Time | 7-15 working days |
| Packaging Details | Conventional export wooden crates |
| Product name | Du Noüy Ring Tensiometer |
| Model | ZL-E series |
| Test method | Platinum plate and platinum ring |
| Test bench lifting method | Manual lifting |
| Display mode | LED digital tube display and computer |
| Test range (mN/m) | 0-1000 |
| Accuracy(mN/m) | 0.1(ZL-E1), 0.01(ZL-E2) |
| Equipment weight and size | 20cm*33 cm *42 cm, 8kg |
| Brand Name | JINHAIHU |
| Model Number | ZL-A |
| Certification | ISO 9001 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T,L/C,Western Union,MoneyGram,D/A,D/P | Supply Ability | 20 sets per month |
| Delivery Time | 7-15 working days | Packaging Details | Conventional export wooden crates |
| Product name | Du Noüy Ring Tensiometer | Model | ZL-E series |
| Test method | Platinum plate and platinum ring | Test bench lifting method | Manual lifting |
| Display mode | LED digital tube display and computer | Test range (mN/m) | 0-1000 |
| Accuracy(mN/m) | 0.1(ZL-E1), 0.01(ZL-E2) | Equipment weight and size | 20cm*33 cm *42 cm, 8kg |
| Brand Name | JINHAIHU | Model Number | ZL-A |
| Certification | ISO 9001 | Place of Origin | CHINA |
| High Light | Wilhelmy Plate Tensiometer ，Du Noüy Ring Tensiometer ，Laboratory Surface Tension Analyzer | ||
Wilhelmy Plate Tensiometer Du Noüy Ring Tensiometer Laboratory Surface Tension Analyzer
Applicability:
Surface tension testers are widely applied in scientific research, industrial production, and quality control fields. Their main applications include:
1.Materials Science:
Measuring surface tension of liquids like coatings, inks, and adhesives, and evaluating their wettability and spreadability.
2.Chemical & Petroleum:
Analyzing surfactant performance and crude oil interfacial tension to optimize process flows.
3.Pharmaceutical Industry:
Testing surface tension of drug solutions to ensure drug stability and dispersion.
4.Food Industry:
Researching surface characteristics of emulsifiers, beverages, etc., to improve product quality.
5.Biomedicine:
Measuring surface tension of biological fluids (e.g., blood, cell culture media) to assist in disease diagnosis and research.
Characteristics:
1.Adopts advanced strain or electromagnetic force balance sensor, featuring high precision and excellent repeatability.
2.Digital tube display mode for real-time display of current weight and surface tension value.
3.Integrates both platinum plate and platinum ring test methods, allowing single or simultaneous selection.
4.Real-time collection of surface tension values with full-process curve recording. The software automatically displays the peak surface tension and converts the equivalent value according to temperature.
5.Convenient lifting bracket for platinum plate and ring, enabling easy loading/unloading. Force value accuracy can be calibrated anytime using standard weights.
6.One-key peeling function ensures stable readings without zero drift or numerical jumps.
7.Smooth ball screw lifting system operates noiselessly with stable up/down speeds.
8.Provides data collection and management software.
9.Complies with (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 | |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Beijing Tonghe Testing Instruments Co., Ltd. Profile 1. Company Foundation and Positioning: Beijing Tonghe Testing Instrument Co., Ltd. was founded by a core team with over 20 years of experience in material testing and testing machine R&D. With mature technical solutions and a global... Beijing Tonghe Testing Instruments Co., Ltd. Profile 1. Company Foundation and Positioning: Beijing Tonghe Testing Instrument Co., Ltd. was founded by a core team with over 20 years of experience in material testing and testing machine R&D. With mature technical solutions and a global...
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