Contact Angle
Precisely measure contact angles with a sessile drop
DROPimage Advanced
Precision Goniometer/Tensiometer
ramé-hart Model 290
Measure contact angle, surface energy, surface tension, and interfacial tension
DROPimage Advanced
Powerful Advanced Analysis
All-New U6 Camera
High-Resolution, High-Speed
Automated System
Software-Controlled Dispensing and Tilting
We respond to inquiries within one business day. Reach out today for a quote or more information!
Product Update
New Updates
Sharper Imaging
The all-new U6 camera is now offered with 200, 400, and 500-series instruments! This high-resolution camera enables high-accuracy edge detection and baseline placement along with a crisp image.
Quick Dispensing
The included SpringDrop addition to the Microsyringe Fixture makes dispensing easier and more repeatable, and can be installed or removed for different applications.
Read more about these updates in our newsletterSpecifications & Details
| Model Number | 290-U6 |
|---|---|
| Surface Characteristics | Contact angle, surface energy, surface tension, and interfacial tension |
| Stage | 3-axis stage with leveling specimen stage |
| Stage Size | 51 x 76 mm (2.01 x 2.99 in) |
| Backlight Illumination | LED Fiber Optic Illuminator |
| Pre-Installed Software | DROPimage Advanced |
| Power Supply | 110 - 240 VAC, 50-60 Hz |
| Instrument Dimensions | 489 x 267 x 508 mm (19.25 x 10.51 x 20.00 in) |
| Instrument Weight | 6.10 kg |
| Warranty | One-year warranty included with every instrument. Extended warranties can be purchased upon request |
U6 Camera (Standard)
| Camera Resolution | 1920 × 1200 pixels (2.3 MP) |
|---|---|
| Maximum Camera Frame Rate | 2320 frames per second |
| Default Camera Frame Rate (full window) | 160 frames per second |
| Sensor Format | 1/2.3-inch |
| Pixel Bits | Mono 8-bit |
| Pixel Bits (maximum) | Mono 12-bit |
| Camera Interface/Power Supply | USB 3.0 |
| Signal-to-Noise at 541 nm | 40.2 dB |
| Dark Noise at 541 nm | 2.5 electrons |
U4 Camera (Optional)
Available upon request.
| Camera Resolution | 720 × 540 pixels (0.3 MP) |
|---|---|
| Maximum Camera Frame Rate | 5400 frames per second |
| Default Camera Frame Rate (full window) | 520 frames per second |
| Sensor Format | 1/2.9-inch |
| Pixel Bits | Mono 8-bit |
| Pixel Bits (maximum) | Mono 12-bit |
| Camera Interface/Power Supply | USB 3.0 |
| Signal-to-Noise at 541 nm | 43.1 dB |
| Dark Noise at 541 nm | 2.9 electrons |
| Software Included | DROPimage Advanced |
|---|---|
| Software Licensing | Pre-installed software comes licensed to your organization and includes one year of upgrades and priority support |
| Static Contact Angle Range | 0-180 deg |
| Contact Angle Accuracy | +/-0.1 deg |
| Contact Angle Resolution | +/-0.1 deg |
| 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 | Measures both surface tension and interfacial tension |
| Surface Tension Range | 0.01-2500 mN/m |
| Surface Tension Accuracy | +/-0.01 mN/m |
| Dynamic Study Tools | Dynamic Method Wizard, Video Replay, Recalculation, and Oscillations |
| Reporting Tools | Plotting and report generation supported |
| Accessory Controls | In-software control for dispensing, tilting, temperature, and oscillation |
| Advanced Contact Angle Measurement Features | Curved baseline, multiple analysis functions, and automated charting |
| Accessory | Part Number | Compatible? | Description |
|---|---|---|---|
| Automated Dispensing System | 100-22 | Included | In-software dispensing control supported |
| Automated Tilting Base | 100-25-A | Included | Motorized tilting base for automated advancing and receding angle studies |
| Environmental Fixture | 100-14 | ✓ | Supported fixture for ambient environmental protection and liquid/liquid studies |
| 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 |
| Overhead Optical Imaging Kit | 100-31 | ✓ | Adds overhead imaging capability for top-down droplet observation and analysis |
| Oscillator | 100-28 | ✓ | Oscillating accessory for dynamic droplet experiments and advanced interfacial studies |
| 750 FPS SuperSpeed Upgrade Kit | 100-12-U2 | ✓ | Upgrade kit for higher-speed image capture at up to 750 frames per second |
| Manual Tilting Base | 100-25-M | ✓ | Supported for advancing and receding angles, roll-off angle, and contact angle hysteresis |
Surface Energy
A variety of tools are available for surface energy analysis
Surface Tension
Accurately evaluate surface tension with a pendant drop
Inverted Pendant Drop
Analyze bubbles and interfacial tension in a liquid medium
Dynamic Contact Angle
Capture advancing and receding behavior with clear, time-based contact angle analysis
Dynamic Surface Tension
Review time-dependent surface tension behavior within the DROPimage Advanced workflow
Experiment Wizard
Build repeatable test methods quickly with guided setup for software-driven experiments
Analysis Plots
Visualize measurement trends and review results with clear, software-generated plots
Recalculate Results
Reprocess saved data quickly to refine measurements and compare updated analysis results
What's in the Box
Hover or click to view descriptions
Items Not Pictured
Select a hotspot or item below to preview what is included with the system.
Not Pictured Details
Hover over an item in the list to preview its description here.
More Photos
Click through additional photos of the system.
