Bubble Pressure Tensiometer BP2
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Dynamic
Surface
Measuring System
The Bubble Pressure Tensiometer BP2 measures the dynamic surface tension of liquids using the maximum bubble pressure method. Fast wetting and dewetting processes can thus be fine-tuned according to application. Control of the instrument and data acquisition is carried out via PC control.
- Click the photo for a larger view -
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Simple operation |
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Direct measurement of bubble pressure |
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Precise determination of surface age and bubble frequency |
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Wide variation in surface age possible |
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Short measuring times |
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Surface-active agent development |
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Spraying processes |
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Detergents and cleansing agents |
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Coating and printing processes |
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Electroplating bath concentration control |
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Measuring bubble pressure range | 10 - 100 mN/m |
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Measuring bubble pressure resolution | 0.1 mN/m |
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Bubble frequency range (depends on liquid and capillary used) |
0.05 - 30 Hz |
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Surface age (depends on liquid and capillary used) |
5 ms - 60 sec |
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Temperature range | -10 - 100°C |
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Temperature resolution | 0.1°C |
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Size of instrument (L x W x H) | 300 x 250 x 450 mm |
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Weight | 12.8 kg |
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Power supply | 90 - 264V / 50 - 60Hz |
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Power consumption | max. 60W |
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Data output | RS 232 serial (Optional connection to USB port of PC via adapter) |
Bubble Pressure Method
SFT / Bubble Frequency
SFT / Surface Age
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Various thermostats |
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Silanizing set for glass capillaries |
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Thermostat vessel with built-in magnetic stirrer |
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Pressure regulator for setting constant frequencies |
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