Contact Angle
Precisely measure contact angles with a sessile drop
DROPimage Pro
Precision Goniometer/Tensiometer
ramé-hart Model 90 Pro
Measure contact angle, surface energy, surface tension*, and interfacial tension*
DROPimage Pro
Easy-To-Use Software
U3-Series Camera
High-Resolution Camera
Modular Design
Flexible configuration options
We can ship our US-made instruments anywhere in the world. Reach out today for a quote or more information!
*Surface and interfacial tension measurements require illumination upgrade
Specifications & Details
| Model Number | 90-U3 |
|---|---|
| Surface Characteristics | Contact angle and surface energy (surface tension and interfacial tension can be measured with illumination upgrade) |
| U3 Camera Speed | 25 frames/sec (full window) |
| U3 Camera Resolution | 720 x 540 pixels (full window) |
| Stage | Leveling specimen stage with z-axis adjustment |
| Stage Size | 51 x 76 mm (2.01 x 2.99 in) |
| Backlight Illumination | Adjustable LED backlight |
| Pre-Installed Software | DROPimage Pro |
| Power Supply | 110-240 VAC, 50-60 Hz |
| Instrument Dimensions | 40 x 20 x 40 cm (16 x 8 x 16 in) |
| Instrument Weight | 2.61 kg (5 lb 12 oz) |
| Warranty | One-year warranty included with every instrument. Extended warranties can be purchased upon request |
| Software Included | DROPimage Pro |
|---|---|
| Software Licensing | Pre-installed software comes licensed to your organization and includes one year of upgrades and priority support |
| Upgrade Path | Upgradeable to DROPimage Advanced without additional hardware |
| Static Contact Angle Range | 0-180° |
| Contact Angle Accuracy | +/-0.1° |
| Contact Angle Resolution | +/-0.1° |
| Continuous Reporting | Supported for contact angle and surface tension measurements |
| Surface Energy Tools | Owens-Wendt Geometric-Mean, Wu Harmonic-Mean, Rabel Multi-Liquid, Kwok One-Liquid, van Oss Acid-Base, Schultz Solid-Liquid-Liquid, Work of Adhesion, and Zisman's Plot |
| Surface Tension Support | Requires illumination upgrade |
| Surface Tension Range | 0.01-2500 mN/m |
| Surface Tension Accuracy | +/-0.01 mN/m |
| Accessory | Part Number | Compatible? | Description |
|---|---|---|---|
| Automated Dispensing System | 100-22 | ✓ | In-software dispensing control supported |
| Environmental Fixture | 100-14 | ✓ | Supported fixture for ambient environmental protection and liquid/liquid studies (surface/interfacial tension measurements require illumination upgrade) |
| Rotating Wafer Support | 100-21 | ✓ | Rotating wafer support up to a 4" diameter |
| Peltier Environmental Chamber | 100-30 | ✓ | Supported chamber for controlled temperature experiments from -50°C to 150°C |
| Heated Environmental Cell | 100-33 | ✓ | Supported enclosure for controlled temperature experiments from ambient to 300°C |
| Hot Plate | 100-33-HP | ✓ | Supported heating plate for controlled temperature experiments from ambient to 300°C |
| Fiber Optic Illuminator Upgrade | 90-FOI | ✓ | Optional upgrade for the Model 90 system to enable surface/interfacial tension measurements |
| Manual Tilting Base | 100-25-M | ✓ | Supported with leg upgrade |
Surface Energy
A variety of tools are available for surface energy analysis
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