Contact Angle
Precisely measure contact angles with a sessile drop
DROPimage CA
Precision Goniometer/Tensiometer
ramé-hart Model 190
Measure contact angle with a cost-effective, user-friendly goniometer system
DROPimage CA
Easy Contact Angle Measurement
All-New U6 Camera
High-Resolution, High-Speed
16" Optical Bench
Precision-Made Optical Bench
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 the Model 190 and 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 | 190-U6 |
|---|---|
| Surface Characteristics | Static contact angle |
| 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 CA (upgradeable to DROPimage Pro for expanded measurement capabilities) |
| Power Supply | 110 - 240 VAC, 50-60 Hz |
| Instrument Dimensions | 480 x 500 x 250 mm (19 x 20 x 10 in) |
| Instrument Weight | 6.3 kg (14 lb), excluding PC |
| 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 CA, easy to measure contact angle |
|---|---|
| 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 measurements |
| Upgrade Path | Upgradeable to DROPimage Pro without additional hardware |
| Accessory | Part Number | Compatible? | Description |
|---|---|---|---|
| Automated Dispensing System | 100-22 | ✓ | Dispensing contol supported by seperate program |
| DROPimage Pro Upgrade | 900-21 | ✓ | Adds expanded measurement capabilities beyond standard contact angle analysis |
| Environmental Fixture | 100-07-60 | ✓ | Supported environmental fixture option |
| Peltier Chamber | 100-30 | ✓ | Supported Peltier chamber option |
| Heated Enviro Cell | 100-33 | ✓ | Supported heated environmental cell option |
| Hot Plate | 100-33-HP | ✓ | Supported hot plate option |
| Film Clamps | 100-15 | ✓ | Supported film clamp option |
| Rotating Wafer Support | 100-21 | ✓ | Rotating wafer support up to a 4" diameter |
| NIST Calibration Device | 100-27-31-UPG | ✓ | Calibration device option for expanded verification workflows |
| Manual Tilting Base | 100-25-M | ✓ | Supported for advancing and receding angles, roll-off angle, and contact angle hysteresis |
Buyer's Guide
Why choose this model?
The Model 190 is the ideal tool for contact angle measurement. Offering durable construction and precision positioning features, the Model 190 is built to last for decades. This system also offers many upgrade paths for more advanced capabilities. The user-friendly DROPimage CA software makes contact angle measurements fast and simple.
All ramé-hart systems are supplied as fully functional turn-key systems, with a PC, pre-installed and configured software, and the components and tools needed to set up and operate the instrument. Compatible accessories and software upgrades can be added later as your needs grow.
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.
