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DynoTester / DynoTester+

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DynoTester / DynoTester+

SITA Dynotester/ Dynotester+ Portable Bubble Pressure Tensiometer

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The DynoTester couples accuracy and speed for dynamic surface tension measurements at many different bubble lifetimes. Operates handheld or can be used as a tabletop instrument for your convenience. Software is additionally available for auto-data collection.   Dynamic surface tension measurement for any liquid used in all fields such as electroplating, environmental, biological, personal care, household cleaning, semi-conductor etching/photoresist liquids and etc.  Time-saving and accurate operation as portable or tabletop instrument for your efficiency.  It can work with a special process software module, SITA ProcessLog, to make it even more efficient.   


Max Bubble Pressure Method.


User-friendly features;

  • Portable/handheld device
  • Regulates surface age automatically
  • Quick measurements
  • Easy to operate
  • Interchangeable capillaries
  • Saves multiple measurements
  • Three programmable soft keys
  • Automated calibration
  • Touch key menu access for selection of operation mode, calibration and clean mode
  • Calibration against water

Allows measurements either at:

  • Constant surface age (bubble lifetime)
  • Automatically increasing surface age (bubble lifetime)
  • Measurement independent of immersion depth
  • Ease of switching among samples
  • No density value of sample needed to be entered prior to measurement.

Technical Data – SITA DynoTester:

  • Surface Tension:
    – Measuring Range: 10 – 100 mN/m (dyne/cm)
    – Resolution: 0.1 mN/m (dyne/cm)
  • Bubble Frequency:
    – Controlled Range: 0.01 – 10 Hz
    – Accuracy: 3 digits
  • Bubble Lifetime:
    – Measuring Range: 15ms – 20s
    – Resolution: 1 ms
  • Sample Temperature:
    – Measuring Range: -30° to +130°
    – Resolution: 0.1°
  • Memory: 25 Measurement Storage
  • Power Supply 100-240 V / 47-63 Hz
  • Batteries 4x AA (1.5V)
  • Max. Power Consumption 2W
  • Weight 250 g



 Most Updated Specs and Pricing