Industrial Physics

Industrial Physics

40 McCullough Drive, New Castle, DE 19720 USA

Dynamic Absorption Tester

Dynamic Absorption Tester


Contact angle measurement is an empirical tool for understanding the wetting between a liquid and a substrate. The DAT Dynamic Absorption Tester offers a range of integrated instruments, for research as well as quality control. These instruments enable real-time, automatic analysis at full video speed of the interaction between a liquid droplet and a specimen surface. The time-dependent wetting and liquid penetration correlates to many experienced production problems in surface coating, sizing, printing and adhesion.


  • Fully automatic, integrated system

  • Exchangeable automatic feed systems

  • Captures 50 to 1,000 images per second

  • Optional Tilt Table

  • High precision pump accurate within 0.1 μl

  • Precision pulse system for gentle drop application

  • Drop application synchronised within 1 msec

  • Calibration with ISO certificate

  • Full compliance with test methods TAPPI T558 & ASTM D-5725

  • Software for Windows XP, Vista and 7 (2 & 64 bit OS)


  • Automatic and manual feed systems of "special design"

  • Sample feed for automatic measurement of "saturation time"

  • The DAT Image Sequencer to characterise fast absorbing rates of tissue and synthetic fibre materials

  • Optional Tilt Table for analysis of wetting/de-wetting phenomena as advancing/receding contact angles

  • True High-Speed systems capturing up to 1000 images per second

  • High-quality lens systems

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