Profile Amalysis Tensiometer PAT2S
- High end stand-alone full automatic profile analysis instrument
- Modern method to measure surface and interfacial tension of liquids
- Interfacial Rheology Studies are available in the basic version
- Modular extensions for different applications
- Remote control via LAN, WLAN
- Smartphone application for remoute monitoring
- Modern user friendly interface and connectivity simplifies operation of instrument.
Principle is based on the analysis of the shape of pendent and sessile drops or buoyant and captive bubbles
Rheological studies are available in the basic version
Well suited to determine the contact angle of liquids on solid surface
Hardware
Instrumental parts
- Basic platform on which all parts are safely mounted
- Manual x/y/z-axis
- Graphic color TFT touch display 7’’ resolution 800 x 480 pixel
- Automatic computer-controlled precise dosing system
- Mechanically adjustable temperature controlled measuring cell (temperature range 10 to 100 °C)
- Industrial IEEE1394A-FireWire CMOS-camera with fixed objectives
- LED lighting with continuously adjustable intensity
- Basic platform on which all parts are safely mounted
- Manual x/y/z-axis
- Graphic color TFT touch display 7’’ resolution 800 x 480 pixel
- Automatic computer-controlled precise dosing system
- Mechanically adjustable temperature controlled measuring cell (temperature range 10 to 100 °C)
- Industrial IEEE1394A-FireWire CMOS-camera with fixed objectives
- LED lighting with continuously adjustable intensity
Features
Measurement Features
- Surface and interfacial tension of liquids
- Static and dynamic contact angle according to the sessile drop method
- Determination of surface free energy
- Surface rheological studies to measure the dilational elasticity and viscosity
- Capillary pressure measurements for iso-dense liquid-liquid systems (optional modul DPA-1M)
- Surface rheological studies at higher frequency (optional module ODBA-1M)
- Direct drop-drop, bubble-bubble and drop-bubble interactions (optional module DBMM-1M)
- Fluid dynamic experiments with optional set-up incl. our own high speed video camera HSC
Main features of the software
- on-line interfacial tension/contact angle calculation
- very accurate control loop to keep constant either volume or area of drop or bubble
- smooth oscillations with dosing system
- harmonic and transient relaxation experiments
- calculation of the dilation rheological parameters from relaxation measurements via Fourier analysis
- calculation of the surface free energy of solids (different methods)
Technical Specifications
| Range of surface and interfacial tension | 1 to 2000 mN/m resolution: ± 0.1 mN/m |
| Range of contact angle measurement | 2° to 178° accuracy ±0.3° |
Measuring options: |
automatic drop volume/area control pendent drop, buoyant bubble, sessile drop surface / interfacial tension dilational elasticity and viscosity contact angle surface free energy drop/bubble oscillations 0.001 to 0.5 Hz (basic version) up to 200 Hz (ODBA-1M module) |
| Dosing | built-in automatic dosing system (optional second automatic dosing system) |
Additional measurement modules: |
drop pressure module DPA-1M oscillating drop bubble oscillation module ODBA-1M drop bubble micro manipulator DBMM-1M |
| Optics | manual fixed or zoom objectives |
| Camera | Standard CMOS-camera: max. resolution 1280x1024 pixels IEEE1394A - FireWireoptical distortion: < 0.05 % high speed camera optional |
| Frame rate | Rates for standard camera: 25 images/s at resolution 1280 x 1024 pixels 100 images/s at resolution 640x480 pixels 320 images/s at resolution 320x240 pixels Rates for high speed camera: after requiest |
| Axis | manual x-axis, manual y-axis, manual z-axis |
| Display | Dual display mode - Built-in Graphic color TFT touch display 7’’ resolution 800x480 pixel - External LCD up to 1920x1200 |
| Illumination | LED, software controlled light intensity |
| Software | embedded software free update over 1 year after purchase |
| Operation modes | Stand-alone (touch display, mouse, keyboard) or via PC, Smartphone |
| Interface | 1 GB Ethernet 3 x USB 2.0 / 1 x USB3.0 Wi-Fi (option) DisplayPort (DVI/HDMI) res. up to 1920x1200 |
| Size of device (L xW x H) | 700 x 200 x 270 mm (standard version) |
| Weight | 18 kg |
| Power supply | external 100 … 240 AC to 24 VDC, 65 W |
| Extra accessories | adjustable temperature controlled cell additional automatically controlled dosing system (up to 4 systems) coaxial double capillary for drop exchange liquid exchange cell piezo control unit special contact angle cell high temperature cells |