Surface Tension Meter DML 1111
DML 1111 ISO 1409 Liquid surface tension meter
Automatic surface tensiometer, made up of high precise and stable force measurement system, microcomputer control system, platinum plate (ring) measurement device, is compact in design, simple and reliable in structure, easy in operation (automatic/manual). It features net weight in whole range (one-key minimum clearing), whole range automatic calibration, good repeatability, accurate and reliable test result as well as liquid crystal display of test data with RS232C output interface
Specification :
| Test method | Plate method & Ring method |
| Surface Tension Test Range | 0-2000mN/m |
| Surface Tension Accuracy | 0.1mN/m |
| Density range | 0-3.000g/cm3 |
| Density Accuracy | 0.001g/cm3 |
| Operation method | Automatic lifting and lowering of sample stage Automatic measurement |
| Lifting speed | 0-300mm/min Arbitrarily Adjustable |
| Temperature measurement | -40ºC-250ºC(0ptional PT100 temperature sensor) |
| Display method | 7-inch touch screen, data read directly |
| Data method | Support data storage/view/print |
| Measure time | Normally within 60 seconds |
| Data output | RS232(printer) or U disk |
| Data software | Includes ST Flash software |
| Size | 47*24.5*47.5cm L*W*H |
| Level way | Electronic level adjustment |
| Net Weight | 18kg |
| Power | 110V or 220V,50W |
Precise Interfacial Characterization with the Surface Tension Meter DML 1111
Achieve accurate, repeatable measurement of surface and interfacial tension with the Surface Tension Meter DML 1111—a compact, high-precision instrument engineered for chemical, pharmaceutical, cosmetic, petroleum, and ink industries. Utilizing the du Noüy ring or Wilhelmy plate method in full compliance with ISO 6295, ASTM D971, and OECD 115, the DML 1111 delivers reliable results for quality control, formulation development, and surfactant efficiency testing.
Engineered for Accuracy, Ease of Use, and Laboratory Integration
The DML 1111 Surface Tension Meter features a high-sensitivity electromagnetic force sensor, motorized sample stage, and automatic peak detection to ensure consistent, operator-independent measurements. Its intuitive interface guides users through calibration, sample testing, and data review, while the temperature-controlled sample chamber (optional) supports standardized testing at 25°C or user-defined conditions.
- Measurement Range: 0–300 mN/m – Suitable for water, solvents, oils, surfactants, and emulsions.
- High Accuracy: ±0.1 mN/m – Ideal for R&D and regulated QC environments.
- Automatic Measurement Modes – Supports du Noüy ring and Wilhelmy plate methods with auto-lift and force detection.
- Digital Display & Data Logging – Stores 1,000+ results; USB export to CSV for reporting.
- Quick Calibration & Easy Cleaning – Includes calibration weights and reusable platinum ring/plate.
- Compact Benchtop Design – Fits easily in formulation labs, QC stations, and teaching facilities.
Trusted Across Formulation and Quality Control Workflows
Surface tension directly impacts wetting, foaming, emulsification, and coating performance. The DML 1111 empowers users to:
Optimize surfactant concentration in detergents and cosmetics
Verify purity of solvents and oils (impurities lower surface tension)
Assess emulsion stability in food and pharmaceuticals
Monitor cleaning efficacy in semiconductor or metalworking fluids
Whether you’re developing a new shampoo formula or validating batch consistency in industrial lubricants, the Surface Tension Meter DML 1111 delivers the precision and repeatability your science demands.
Measure interfacial forces. Perfect your formulation. Ensure performance.
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