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Home  >>  Products  >>  Surface Tension  >>  Sensadyne Surface Tensiometers

Sensadyne Surface Tensiometers


QC6000
QC3000
QC6000
QC6000




The SensaDyne Surface Tensiometers are instruments that can continuously monitor surface tension within fluid sample streams, using a flow-through cell arrangement. The measurement is taken within the body of the fluid and is unaffected by any surface contaminants.

Click Here for Information on Accuracy, Stability, and Software for SensaDyne Tensiometers





FEATURES METHOD MORE INFO PRICE LIST
 

 

Features

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  • Compact design combines simple operation for fast and accurate results
  • Measurements are taken in the body of the fluid using a patented version of the Maximum Bubble Pressure Method, and are unaffected by surface contamination or foaming.
  • The instrument interfaces directly with any Windows computer, and uses a Windows compatible program that allows display, storage, retrieval, and graphing of data.
  • Simple menu-driven calibration program
  • Accuracy within +/- 0.1 Dynes/Cm. (mN/m)
  • In-Plant Uses: Quality Monitoring, Formulation Monitoring, Contamination Detection, Continuous Sample Stream Monitoring with Optional Flow-Through Vessels, Detection and Control of Plating Bath Additives, Cleaning Validation (QC3000/QC6000), Intermittent and Continuous Testing Capabilities, Three-Dimensional Surfactant/Formulation Characteristics Studies (QC6000 only)
  • Laboratory Uses: Quality Control, Formulation Testing, and Contamination Testing (QC3000/QC6000), Fast CMC Determination, Research & Development (QC6000 only)
  • SensaDyne Tensiometers are the only commercially available instruments that replicate ASTM test method D3825-90 Standard Test Method "Dynamic Surface Tension by the Fast-Bubble Technique"
  • Adjustable Bubble Rates
    • QC3000 Maximum 15 Bubbles/sec. and Minimum 1 Bubble/120 sec.
    • QC6000 Maximum 40 Bubbles/sec. and Minimum 1 Bubble/120 sec.
  • QC6000 also features
    • Independent bubble rate mass flow controllers, allowing a wider monitoring range with increased precision and accuracy.
    • Active Surfactant (Surface Age) Diffusion Rate Determination (Milliseconds to Minutes).
    • Patented Software Peak Detection
    • It can generate data for characterizing surfactant formulations for Research and Development, or it can be easily modified for use in an on-line environment with a variety of configurations.
    • Automatic and accurate measurement of surfactant diffusion rates (Surface Age) is included, along with our latest Windows software, and Automatic Calibration (AutoCal) features.

 

Bubble Pressure Method

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  1. The maximum bubble pressure method avoids error-causing effects by measuring surface tension within the body of the fluid. It is the "Simplest Accurate Method" for measuring surface tension.
  2. Two glass probes having orifices of different diameters are positioned below the surface of the liquid. A pressurized process gas source forms bubbles in the liquid, and the differential pressure of the bubbles is measured and equated to the surface tension of the measured liquid. Unlike other maximum bubble pressure methods, the SensaDyne's patented double probe method allows complete independence of immersion depth, for accurate repeatable results.
  3. The Tensiometer's pneumatic system provides constant volumetric gas flow, making the flow independent of down-stream pressure. Flow rate to each orifice is adjustable through external valves. This allows interface formation time (bubble rate) selection from up to forty or more bubbles per second to one bubble every two minutes. Bubble rate, surface age, fluid temperature and fluid surface tension are displayed on the computer's video terminal.
  4. The surface tension of a liquid generally increases as the temperature decreases, and vice versa. In the SensaDyne, a temperature probe is immersed in the fluid at orifice level to always provide a temperature reading with a resolution of 0.1 degrees C.

 

Prices

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Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices

QC3000 - Model 3000 Sensor/Flow Control Unit, Computer (PCI) Interface Board and Cable, Compact Probe Stand with Temperature Probe, Quick-Connect 1/4” Fitting for Air/Gas Input, SensaDyne QC3000 Windows® Operating Software, Interface Board Utility Software and Manual, SensaDyne QC3000 Operator/Instruction Manual, and (2) Glass Probe Sets (4.0mm, 1.0 mm, & 0.5mm)

QC6000 - Model 6000 Sensor/Flow Control Unit, Computer (PCI) Interface Board and Cable, Compact Probe Stand with Temperature Probe, Quick-Connect 1/4” Fitting for Air/Gas Input, SensaDyne QC6000 Windows® Operating Software, Interface Board Utility Software and Manual, SensaDyne QC6000 Operator/Instruction Manual, and (2) Glass Probe Sets (4.0mm, 1.0 mm, & 0.5mm)

15279 QC3000 SensaDyne Tensiometer 11,395.00
FT-6026 QC6000 SensaDyne Tensiometer 12,995.00
Click Here for Information on Accuracy, Stability, and Software for SensaDyne Tensiometers



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