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Porometer 3G series

Get the most easy-to-use capillary flow porometer available

The Porometer 3G series of capillary flow porometers delivers accurate and repeatable through- pore size distribution results, typically within only 30 minutes for any sample. As these units do not require the constant calibration of the pressure gradient within the flow path, they make the process of multi-instrument alignment much simpler. Sample throughput is greatly increased by their simplified operation and measurement speed. Three distinct models are available to fit the specific air permeability and pore size characteristics of a wide range of membranes and filtration media.

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Technical Specifications

  3G micro 3G z 3G zH
Pore size minimum 0.07 µm <0.03 µm <0.02 µm
Pore size maximum 100 µm 500 µm 500 µm
Pressure controllers 1 2 2
Controller #1 0 psi to 100 psi 0 psi to 30 psi 0 psi to 30 psi
Controller #2 n/a 0 psi to 300 psi 0 psi to 500 psi
Pressure sensors 2 3 3
Sensor #1 0 psi to 5 psi
Sensor #2 0 psi to 100 psi
Sensor #3 n/a 0 psi to 250 psi 0 psi to 500 psi
Flow sensors 1 1 or 2 2
Sensor #1 0 L/min to 100 L/min 0 L/min to 100 L/min (standard)
0 L/min to 200 L/min (optional)
0 L/min to 10 L/min
Sensor #2 (optional) n/a 0 L/min to 5 L/min
or
0 L/min to 10 L/min
0 L/min to 200 L/min
Flow sensor switching n/a manual auto
 
Pressure sensing accuracy ±0.05 % f.s.
Pressure resolution 16 bit A/D equivalent
Flow sensor type Precision thermal mass flow
Flow sensor settling time <2 seconds
Flow sensor temperature coefficient <0.05 %/oC (15 °C to 45 °C)
General specifications
Electrical properties 90 V to 240 V AC, 50/60 Hz
Main control unit dimensions (H x D x W) 40 cm x 45 cm x 19 cm (15.8 in x 17.8 in x 19 in)
Sample holder block dimensions (H x D x W) 24 cm x 32 cm x 15 cm (9.5 in x 12.6 in x 6 in)
This table shows standard configurations. Different pressure and flow rate ranges are available for some models.

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