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Bubble point tester
Bubble point tester
Product details
product details

POROLUX BP is a bubble point tester used to measure the maximum pore size (commonly referred to as "bubble point (BP)") in media for filtration and separation applications.


POROLUX BP can quickly and accurately provide bubble point results within a pressure range of 0 bar (0 psi) to 5 bar (75 psi), and can detect pores ranging from approximately 300 µ m to 0.13 µ m.


Due to its simplified operation, POROLUX BP provides highly reproducible result speeds for BP dPL (bubble point measurement as deviation from user-defined pressure increase linearity) and BP x-ml (bubble point measured at user-defined flow rate). This makes POROLUX BP a clear choice for many companies producing filtration and separation media for quality control and/or research and development.


Product Features

Only bubble point measurement

Quickly and easily identify a bubble point

Suitable for apertures as small as 0.13 µ m


A wide range of applications

Whether for research and development or quality control purposes, our through-hole analyzer is indispensable for characterizing the pores of various materials

Flat and hollow fiber polymer membranes

Non woven fabrics, precision fabrics, and textiles

Ceramic film and tube

Metal film, porous metal disk, (sintered) metal fiber medium

Specialty paper, etc

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Product parameters
Measurement mode Only soak the dots
Maximum pressure 5 bar/75 psi
Minimum aperture(1) 0.13 μm
maximum pore size(1) 300μm
Flow range 150 ml/min
bubble BP dPL and BP x-ml(*)
Annotation(1) Depends on the wetting solution
Annotation(*) BP dPL is the bubble point, measured as the deviation from the linearity of the user-defined pressure increase. BP x-ml is the bubble point measured at a user-defined flow rate.

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