Surface tension meter
Surface Tension Meter: Precision Measurement for Your Applications
The Surface Tension Meter is an essential tool for industries requiring accurate surface tension measurements. Our advanced instruments provide reliable data for quality control, research, and development processes. Below you'll find detailed specifications, performance data, and answers to frequently asked questions about our Surface Tension Meter products.
Key Features of Our Surface Tension Meter
- High-precision measurement with accuracy up to ±0.1 mN/m
- Wide measurement range: 1-200 mN/m
- Automatic temperature compensation (10-40°C)
- Multiple measurement methods: Du Nouy Ring, Wilhelmy Plate, and Pendant Drop
- High-resolution touchscreen interface
- Data logging and export capabilities
- GMP/GLP compliant
- Multi-language support
Technical Specifications
| Parameter | Specification |
|---|---|
| Measurement Range | 1-200 mN/m |
| Accuracy | ±0.1 mN/m |
| Resolution | 0.01 mN/m |
| Temperature Range | 10-40°C |
| Measurement Methods | Du Nouy Ring, Wilhelmy Plate, Pendant Drop |
| Data Storage | 1000 measurements |
| Interface | USB, RS-232 |
| Power Supply | 100-240V AC, 50/60Hz |
| Dimensions | 320 x 280 x 180 mm |
| Weight | 4.5 kg |
Applications of Surface Tension Meter
- Quality control in chemical manufacturing
- Cosmetics and personal care product development
- Paint and coating formulations
- Petroleum and oil industry
- Pharmaceutical research
- Food science applications
- Academic research
Frequently Asked Questions About Surface Tension Meter
Q: What is the recommended calibration frequency for the Surface Tension Meter?
A: We recommend calibrating your Surface Tension Meter every 6 months under normal usage conditions, or more frequently if used intensively or in critical applications. The instrument includes automatic calibration verification features to ensure measurement accuracy between formal calibrations.
Q: How does temperature affect Surface Tension Meter measurements?
A: Temperature significantly impacts surface tension measurements, as surface tension typically decreases with increasing temperature. Our Surface Tension Meter includes automatic temperature compensation to account for this effect, with a built-in temperature sensor that adjusts measurements according to the actual sample temperature.
Q: Can the Surface Tension Meter measure interfacial tension between two liquids?
A: Yes, our advanced Surface Tension Meter models can measure interfacial tension between two immiscible liquids using specialized accessories. The instrument automatically calculates the interfacial tension value based on the measured forces at the liquid-liquid interface.
Measurement Methods Comparison
| Method | Advantages | Limitations | Best For |
|---|---|---|---|
| Du Nouy Ring | Widely accepted standard, good for most liquids | Requires careful cleaning between measurements | General purpose measurements |
| Wilhelmy Plate | High precision, minimal sample volume required | Plate must be perfectly clean and wetted | Research applications |
| Pendant Drop | No contact with sample, measures dynamic changes | Requires transparent samples, complex analysis | Time-dependent measurements |
Maintenance Guidelines
- Clean measurement accessories thoroughly after each use
- Store the instrument in a dry, dust-free environment
- Use only manufacturer-recommended cleaning solutions
- Perform regular performance verification tests
- Keep firmware updated for optimal performance
Why Choose Our Surface Tension Meter?
Our Surface Tension Meter stands out in the market due to its exceptional accuracy, robust construction, and user-friendly interface. With multiple measurement methods in a single instrument, it offers unparalleled versatility for various applications. The instrument's advanced data management capabilities make it ideal for quality control environments where traceability is essential.
Additional FAQ About Surface Tension Meter
Q: What sample volume is required for measurements with the Surface Tension Meter?
A: The required sample volume depends on the measurement method. For the Du Nouy Ring method, approximately 20ml is needed. The Wilhelmy Plate method requires just 2-3ml, while the Pendant Drop method can work with very small quantities (as little as 0.5ml).
Q: How long does a typical measurement take with the Surface Tension Meter?
A: Measurement time varies by method: Du Nouy Ring typically takes 15-30 seconds, Wilhelmy Plate about 10-20 seconds, and Pendant Drop analysis may require 1-2 minutes depending on the stability requirements. The instrument provides rapid results while maintaining high accuracy.
Q: Can the Surface Tension Meter be used with volatile or viscous samples?
A: Yes, our Surface Tension Meter can handle both volatile and viscous samples. For volatile liquids, we recommend using the Pendant Drop method with optional environmental control accessories. For viscous samples, the instrument automatically adjusts measurement parameters to compensate for slower equilibration times.
Accessories for Surface Tension Meter
- Standard and platinum measurement rings
- Platinum Wilhelmy plates in various sizes
- Temperature control unit
- Sample vessels and holders
- Cleaning solutions and tools
- Carrying case for field use
- Data analysis software