drk320 electronic porosity tester-九游会电竞

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drk320 electronic porosity tester

product brand： drick

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scope of application

　　this instrument is suitable for the determination of the maximum pore size and average pore size of filter paper.

this instrument adopts the test method of bubbling method. the principle is based on the principle of capillary action. as long as the measured air is forced to pass through the pores of the tested material wetted by a liquid, the air will be driven out of the liquid in the largest pore tube in the test piece. , the pressure required when the first bubble emerges from the pores, and the maximum and average pore diameters of the test piece can be calculated by using the capillary equation using the known surface tension of the liquid at the measured temperature.

product details

instrument features

　　the instrument has the advantages of small size, light weight and convenient movement. the instrument adopts advanced electronic technology, the parameters can be preset, the large lcd screen displays the pressure value and automatically calculates and displays the aperture value, and the operation interface of each step has text prompts, which is easy to operate. the aperture value of each test piece and the average value of a group of test pieces are printed out by the printer, and each group of test pieces does not exceed 10.

related standards

　　qc/t794-2007 "filter paper for internal combustion engine industry" (automotive industry standard);

gb/t 2679.14-1996 "determination of maximum pore size of filter paper and cardboard"

iso2942 "verification of structural integrity of hydraulic transmission filters and determination of first bubble point"

iso4003 "permeable sintered metal materials. determination of pore size in foaming test"

……comply with gb/t, iso, aatcc and other relevant standards

technical parameter

air pressure	0-20kpa
test range	4.494-179.76um
pressurization speed	2-2.5kpa/min
lcd display	240128 dot matrix
pressure value accuracy	±1%
pressure resolution	0.01kpa
aperture resolution	0.01μm
test piece thickness	0.10-3.5mm
test area	10±0.2cm²
inner diameter of clamp ring	φ35.7±0.5mm
gas cylinder volume	2.5l
instrument size	275×440×315mm
power supply	220v 50hz

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drk320 electronic porosity tester-九游会电竞