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DSA30M – Drop Shape Analyzer

Precision wettability analysis of microscopically small surfaces

The wettability of very small surfaces can have a great influence on product quality, e.g. for contact points on circuit boards or in microfluidics. The DSA30M Drop Shape Analyzer enables drops in the picoliter range to be accurately positioned and analyzed. The resulting contact angle is exactly the information you need for optimizing wetting and coating processes on very small surfaces.

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  • Investigation of synthetic and natural fibers for composites
  • Wettability of contact points in microelectronics
  • Optimization and development of hair care products
  • Wettability of biochips
  • Micromechanical components
  • Microfluidics

MEASURING METHODS

  • Contact angle of a drop on a solid surface
  • Surface free energy of a solid using contact angle data

MEASURING RESULTS

  • Contact angle
  • Surface free energy
  • Work of adhesion between solid and liquid
  • Interfacial tension between solid and liquid
  • Spreading coefficient between solid and liquid

INSTRUMENT DIMENSIONS

Footprint 610 mm × 250 mm (W × D)
Height 610 mm
Weight (without accessories) 10 kg

TEMPERATURE MEASUREMENT

Range of temperature measurement -50 to 400 °C
Resolution 0.1 °C
Precision 0.1 °C
Accuracy 1/3 DIN B (±0.1 °C at 0 °C to ±0.8 °C at 400 °C)
Location of temperature measurement sample stage
chamber
cuvette
External sensor 2 connectors (PT100)

POWER SUPPLY

Voltage 88 to 264 V
Power consumption 100 W
Frequency 50 to 60 Hz

SAMPLE DIMENSIONS

Maximum sample size 320 mm × ∞ × 275 mm (W × D × H) (without axes)

ENVIRONMENT

Operating temperature 10 to 40 °C
Humidity without condensation

TEMPERATURE CONTROL

Equipment temperature-controlled sample stage
Type of temperature control liquid
Range of temperature control -10 to 130 °C (with Tempering Chamber – TC3240)
Tempered area 26 mm × 90 mm (W × D)
Resolution 0.1 K
Flow-through thermostat –
External circulator with liquid

INTERFACES

PC USB 3.0

HOUSING AND PERIPHERALS

Compartment test liquids protected against light
Needle protection shield –
Control keyboard PC keyboard for ADVANCE software operation available (KB20)
Levelling yes

SOFTWARE

Software type ADVANCE
Available software modules contact angle
surface free energy of solids

SURFACE FREE ENERGY OF SOLIDS

Available included
Results surface free energy (SFE)
Models equation of state
Zisman
Fowkes
Wu
Owens-Wendt-Rabel-Kaelble
extended Fowkes
acid-base theory

SESSILE DROP

Available included
Results contact angle (CA)
Range 0 to 180° (software-based)
Resolution 0.01° (software-based)
Accuracy 0.3° (instrument-based)
Models conic section
polynom
circle
Young-Laplace
height-width
Type static
dynamic
(additional accessories may be required)

CAMERA SYSTEM (STANDARD)

Type Camera CF04
Connection USB 3.0
Resolution 1920 × 1200 px
Frame rate 2300 fps
Dark noise 7 electrons
Dynamic range 73 dB

ILLUMINATION

Type high power monochromatic LED
Wave length, dominant 460 nm
Field of light Ø 12 mm

OPTICS (STANDARD)

Focus fixed focus
Zoom 6.5× microscope zoom, manual
View angle 2°
Field of view CF04: 0.2 mm × 0.2 mm to 0.9 mm × 0.9 mm (7× to 45×)
Resolution of optics CF04: 0.1 to 0.8 μm

OBSERVATION OPTICS

Field of view CF04/CF04C: 2.3 mm × 2.3 mm
Resolution CF04/CF04C: 2 μm

CAMERA SYSTEM (OPTIONAL)

Type High Speed Camera CF06
Connection USB 3.0
Resolution 640 × 480 px
Frame rate 3400 fps
Dark noise 10.5 electrons
Dynamic range 56.6 dB

DOSING SYSTEM

Dosing software-controlled
Cartridge/syringe (volume) 4 mL
Resolution fixed
Speed 2 m/s

STAGES

Control x-axis: manual
y-axis: manual
z-axis: manual
Length x-axis: 30 mm
y-axis: 50 mm
z-axis: 45 mm
Resolution x-axis: 20 mm/turn
y-axis: 4 mm/turn
z-axis: 16 mm/turn

OPTICS (OPTIONAL)

Focus fixed focus
Zoom 6.5× microscope zoom, manual
View angle 2°
Field of view CF06: 0.1 mm × 0.1 mm to 0.4 mm × 0.3 mm (7× to 45×)
Resolution of optics CF06: 0.1 to 0.7 μm

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