Hand-held Tensiometer for Process Monitoring and Quality Control


MEASURING THE SURFACE TENSION -
CONTROLLING THE SURFACTANT CONCENTRATION
The mobile hand-held Tensiometer measures the surface tension as well as the surfactant concentration easily and quickly in the laboratory and at the production line. It directly shows the measuring results on a comfortable display and alerts the user if defined limit values are exceeded.

PRECISE
Display of surfactant concentration within defined limits
Comparability of measuring values with all SITA lab and process measuring devices
Adjustable high dynamic bubble lifetime range: 15 ms…20.000 ms

    ROBUST
    Patented and optimized capillary for process use
    Robust device housing for atline measurement
    Comfortable suitcase for transport and device storage, also useful as working surface

      FLEXIBLE
      Intuitive operation: simple and fast measuring as well as controlling
      Mobile hand-held tensiometer: no PC or notebook required
        25 measuring profiles for bath control, process documentation and more

          Application fields


          The DynoTester+ is especially used in following applications:
          -Controlling the surfactant concentration in industrial parts cleaning industry
          -Monitoring the surfactant concentration in electroplating baths
          -Measuring the surface tension of liquids at the plant (atline) or in the laboratory (offline)
          -Quality control of inkjet inks, paints and lacquers/varnishes
          -Incoming and outgoing inspections of surfactant containing goods
          -Mobile use for external work
          For your security our application engineers advise you, if the DynoTester+ is suitable for your application. Furthermore, we test your samples and develop an appropriate controlling procedure according to your processes.
          Result: The DynoTester+ optimally supports you in quality control and process monitoring.
          Here you can find further application examples [..]

          Measuring principle














          Like all SITA Tensiometer, the DynoTester+ is based on the bubble pressure method for measuring the dynamic surface tension of liquids.
          The principle of the bubble pressure method is, that an air stream is lead through a capillary into the process liquid. A sensor measures the pressure which is needed to generate a bubble. (more...).

          Technical data

          Surface tension
          Measuring range10…100 mN/m (dyn/cm)
          Resolution0.1 mN/m (dyn/cm)
          Bubble lifetime
          Adjustable range15…20,000 ms
          Resolution1 ms
          Sample temperature
          Measuring range0…100 °C
          Resolution0.1 K
          Power Supply
          Mains adapter100...240 V
          47...63 Hz
          Battery (Lion, integrated)
          3.6 V / 1,950 mAh
          min. 10 h operating hours
          Power consumption2 W max.
          Interface, Storage, Dimensions, Weight
          USB interfacedata transfer, battery charging
          Display124 x 168 pixel,
          illuminated
          Storage25 values/profile
          Dimensions (WxHxD)75 x 168 x 35 in mm
          Weight of instrument230 g

          Windows-Software

          The Windows-Software SITA-ProcessLog allows an easy control of all functions of the tensiometer with the PC as well as a comfortable management of the saved measuring data.

          •Management and graphical analysis of saved measuring data
          •Documentation and evaluation of the process and products‘ characteristics
          •Simple and easy preparation of measuring reports
          •Controlling the measurement via PC in the laboratory
          •Simple generation of concentration curves based on defined samples
          For more information click here [..].

          Accessories

          Capillaries
          Type I PEEK - easy manual cleaning for paints 
          and varnishes
          Type II PEEK - for monitoring process liquids
          Type III Glass - for agressive liquids
          Disposal capillaries PTFE - for special cases
          Heating plate with magnetic stirrer
          and stand for SITA DynoTester+
          Double walled glass vessel
          for use with thermal liquid circulator (thermostat) including special cover and insulation
          Sample vessels 50 ml
          1 set = 10 pcs.
          Acid protection kit
          Borosilicate glass protection for temperature probe, glass cover, PE jacket for sensor head or device
          Mini sample vessels - 2 ml
          Power supply
          EURO-plug, UK-plug, US-plug

          Scope of delivery

          - Measuring device DynoTester+
          - Robust suitcase
          - 2 Capillaries PEEK
          - Power supply
          - USB-cable
          - Stand
          - Instrument fastener
          - 2 sample vessels 50 ml
          - Operating instruction
          - Calibration certificate
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