ISO 1409 ISO 6295 Surface Tension Meter
Key Features
- Platinum ring test method with automatic maximum force value locking
- Data processing through attached computing software or optional computer interface
- Standard platinum ring dimensions: wire radius 0.185mm, ring radius 9.55mm, circumference 60mm
- Compliance with multiple international standards including GB/T 22237-2008, ISO 1409-1995, ISO 6295-1983, and others
- Automatic measurement to eliminate human error
- Full range automatic correction with excellent repeatability
- One-key reset function with stable zero position
- Manual lifting with automatic measurement capability
- Independent operation without requiring additional equipment
- Capability to measure interfacial tension between non-mixed liquids
- Optional data processing software with real-time curve display and Excel export
- Special accuracy calibration function using distilled water and pure ethanol standards
- Temperature automatic compensation function (optional)
- Multiple temperature control options available
- Custom solutions available for non-standard requirements
Technical Specifications
| Parameter |
BZY-101 |
BZY-201 |
| Measuring mode |
Standard configuration is plate method (optional ring method) |
| Operating mode |
Sample disc manual elevating, fully automatic measuring |
| Measuring range |
0 to 600 mN/m |
0 to 400 mN/m |
| Sensitivity |
0.1 mN/m |
0.01 mN/m |
| Repeatability |
≤±0.2 mN/m (test standard sample) |
≤±0.1 mN/m (test standard sample) |
| Data display |
Wide visual angle, backlight LCD screen |
| Measuring time |
10s~15s for low viscosity sample |
| External dimensions |
320×200×340 (L×W×H, mm) |
| Power supply |
220v or 110v 50HZ/60HZ |
| Net weight |
7 kg |
9 kg |
Application Range
- Ink, printing ink, oil paint industry: analyzing wettability in printing and coating
- Cleaning agent industry: analyzing absorbing rate and properties of surface activating agents
- Cosmetic industry: analyzing dispersibility, stability and wettability of emulsions
- Electroplating industry: quality control of electroplating solutions
- Pesticide industry: preparing additives and analyzing wettability
- Petroleum industry and auxiliary agent industry
Understanding Surface Tension
Surface tension is a fundamental property of liquids resulting from molecular cohesive forces (Van Der Waals forces). Molecules at the liquid surface experience unbalanced inward forces, creating a tension that minimizes surface area. In thermodynamics, surface tension represents the force that minimizes surface energy in a system, measured as free energy per unit area (J/m²) or equivalently as force per unit length (N/m).
This phenomenon explains common observations like water droplets on leaves or the curved meniscus in a glass. The ISO 1409 ISO 6295 Surface Tension Meter precisely measures this critical property for industrial and scientific applications.
ISO 1409 ISO 6295 Surface Tension Meter - Front View
Precision Platinum Ring Measurement Component
Surface Tension Meter in Laboratory Application
Measurement Interface and Control Panel