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Contact Angle Meter DMs 401

Contact Angle Meter

The DMs-401 is a compact yet high-performance surface measuring instrument for the measurement of static and dynamic contact angles, surface free energy of solids and surface and interfacial tension of liquids. Its functions can be easily extended due to its sophisticated modular design. Optional accessories, such as a computer-controlled dispenser, temperature control devices, and an external tilting stage system are available.

  • Automatic recognition of droplet deposition
  • Live image display and droplet volume monitoring
  • Movie converter
  • Manual dispenser with a set of 5 glass syringes and 5 SUS needles for precise adjustment of droplet volume and quick refilling and replacement of liquid samples
  • Fine adjustable stage in z-axis for gentle deposition of droplets without distortion
  • Adjustable level of the body and stage
  • Droplet calibration standard for standard view, bearing one full circle for calibration and three droplet silhouettes of 5°, 60° and 108° for periodic inspection of measurement accuracy


  • Jacket and heater type chambers for temperature measurements from +10 to +380°C
  • Heater type dispenser for temperature measurements from ambient to +380°C
  • Tilting stage for measurements of roll-off angles, incl. FAMAS software add-in [Sliding method]
  • Add-on module [Dynamic sliding method] for measurement of roll-off speed and roll-off acceleration. Only in combination with tilting stage package
  • Fast image capturing system with standard 400 fps at 640×480 resolution USB3.0 CMOS camera, max. 1000fps at 640×200 resolution
  • Single automatic dispenser
  • Multi manual dispenser holder
  • Multi automatic dispenser system
  • Large capacity pump dispenser, incl. a 50ml liquid container
  • Surface free energy kit
  • Pendant drop kit (for standard & wide view)
  • Kit for captive-bubble-measurements
  • Droplet calibration standard (for wide 1 view)
  • Pendant drop calibration standard (for standard view)
  • Pendant drop calibration standard (for wide 1 and wide 2 view)
  • Determination of wettability of surfaces like glass, metal, plastics, ceramics at ambient temperature
  • Surface cleanliness
  • Determination of surface and interfacial tension using the pendant drop kit (standard & wide view)
  • Analysis of Surface free energy of solids
  • Determination of dynamic contact angles (advancing/receding angles and roll-off angle)
  • Coating property, repellency, characterization of droplet hysteresis
    Initial spreading, absorbing property, effect of surface active agents
  • Adhesive property, characterizing surface modification, digitalization of hydrophilicity/hydrophobicity

DMs-401 Contact Angle Meter








NSW: +61 2 4320 6672

VIC: +61 3 9017 4496

QLD: +61 7 3333 2171

WA: +61 8 6465 4576

NZ: +64 212 372 731