The DM-701 and DM-501 are the most flexible and popular models that are widely used for research and development and quality control purposes. They are upgradable with several software or accessories to extend the capability of each model, and even with customization for special applications.

DM – 701 High end model, fully automated system with computer controlled stage and dispenser

• Applicable sample size is up to 150mm x 150mm.
• Computer controlled stage and dispenser perform measurements of multiple points automatically with single command.
• Even advancing/receding angle measurements by the extension/contraction method and the sliding method (option) allow measurement of multiple points automatically with single command.

DM-501, Computer controlled dispenser with manual movement stage

• Applicable sample size is up to 150mm x 150mm.
• Computer controlled automatic dispenser discharges precise volume of droplet in 0.1µL resolution.
• Applicable to wide variety of optional accessories to extend the capability.

Capable functions of DM-701 / 501

• Measurement of Contact Angle

               Sessile Drop method: Typical contact angle in static and time function
               Extension/Contraction method: Advancing/receding angles under captive drop.
               Sliding method: Advancing/receding angles with tilted surface [Option]
               Dynamic sliding method: Focusing the speed of droplet sliding [Option].
               Three-state method: Bubble or oil droplet in water, or vice versa [Option].

• Measurement of Surface/Interfacial Tension by Pendant Drop method [Optional kit needed].
• Surface free energy analysis [Optional kit recommended].
• Fast image capture system (Standard max. 60fps, Option max. 1,000fps).
• Automatic dispenser.
• Zoom lens.
• Temperature control systems for solid and droplet [Option].
• Multi dispensers for surface free energy analysis [Option].