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Product Presentation
CY-MK01 bubble pressure membrane pore size analyzer is a fully automatic intelligent instrument using metal integrated cartridge pipeline and stainless steel combined sample holder, which is a special analytical instrument for the analysis of the maximum pore size, minimum pore size, average pore size, pore size distribution and permeability of filter membranes, diaphragms, fabrics, fibers,
ceramics, sintered metals and other materials by gas-liquid method, and is mainly used in water filtration,battery separator,seawater desalination, biological purification and other
industries.
Operational Principle
Taking a certain membrane material as an example, the membrane is fully wetted with a liquid that can be wetted with it, and due to the existence of surface tension, the infiltrating liquid will be bound in the pores of the membrane;
When the gas pressure reaches a pressure greater than the surface tension of
the smolting fluid in a certain pore, the soaking solution in the pore will be pushed out by the gas; Since the smaller the pore size, the higher the
pressure generated by the surface tension, so the higher the gas pressure
required to push out the wetting solution; Similarly, it can be seen that the smolting solution in the pore with the largest pore size will be pushed out
first, so that the gas will pass through, and then with the increase of
pressure, the pore size will be pushed out from large to small, and the saping solution in the pore will be pushed out in turn to make the gas pass through
until all the pores are opened, reaching the same air permeability rate as the dry film;
The pressure corresponding to the hole that is opened first is the bubble
point pressure, and the aperture corresponding to the pressure is the maximum pore size; In this process, the pressure and flow are recorded in real time to obtain the pressure-flow curve; The pressure reflects the information of
the pore size, and the flow rate reflects the number of holes of a certain
pore size; Then the pressure-flow curve of the dry membrane is measured, and
the maximum pore size, average pore size, minimum pore size, pore size
distribution, and air permeability of the membrane sample can be calculated according to the corresponding formula.Performance Parameter
| Model | CY-MK01 | CY-MK02 |
| Test Scope | 0.07-500um; | 0.02-500um; |
Pressure range |
0-1bar,0-10bar;High precision silicon thin film dual pressure sensor, complementary range, automatic switching; | 0-1bar , 0-35bar ; High precision silicon thin film dual pressure sensor, complementary range, automatic switching; |
Major Function |
Bubble diameter (maximum pore diameter); Average flow aperture (average aperture); Minimum aperture; Aperture distribution, cumulative/differential flow distribution; Gas permeability; Dry and wet gas flow rates; |
|
| Test Precision |
Pressure resolution:0.0001 bar ; Traffic resolution:0.0001 L/min; |
|
| Test Speed | Complete the entire testing process within 20-60 minutes; | |
| Flow Range | 0-1L/min, 0-100L/min;High precision dual flow sensor, complementary range, automatic switching; | |
Sample Pool |
Standard for flat film holders with a diameter of 13mm, 25mm, and 47mm (suitable for sample thicknesses of 0-5mm); Optional 12mm diameter hollow fiber membrane special clamp; Other specifications of sample holders can also be customized as needed |
|
Gas Pipeline |
Metal integrated containerized pipelines reduce pipeline length and leakage points, avoiding the pressure drop caused by excessively long pipelines. The interface adopts metal hard sealing, which has good sealing performance, high pressure resistance, corrosion resistance, and durability; | |
| Vacuum Infiltration |
Standard vacuum lubrication device, which can set the duration of vacuum lubrication, complete lubrication, and automatically restore normal pressure; | |
| Test gas | Standard air compressor; Optional configuration of 40 liters of pure nitrogen gas, with a purity of ≥ 99.9%; | |
| Core Accessories |
Silicon thin film pressure transmitters, flow sensors, electronic pressure regulating valves, etc; | |
| Data Handling |
Built in industrial computer, independently developed control software, simple interface; |
|
| Instrument Dimension | Long: 400mm; Wide: 400mm, High: 490mm; Net weight: 35kg; | |
Product Characteristics
Built in control system, built-in industrial computer, independently developed control software, simple interface, fully automatic operation, no need for manual duty, automatically generate test results and save them. Provide users with convenient operation methods and full voice prompts;
Multi specification sample holder, self-developed sample holder suitable for samples of different specifications ;
Dual pressure sensors, segmented pressure range, complementary range, automatic switching;
Metal integrated containerized pipelines reduce pipeline length and leakage points, and are resistant to high pressure and corrosion ;
High precision dual stage flow sensor, segmented flow range, complementary range, automatic switching;
Optional vacuum lubrication device, which can set the duration of vacuum lubrication, complete lubrication, and automatically restore normal pressure;
Through the control unit of the operation interface, the actions of various hardware of the instrument can be controlled, which helps operators understand the working principle of the instrument and timely identify the fault point when the instrument malfunctions, facilitating subsequent inspection and maintenance ;
Technical patents: A bubble pressure membrane pore size analyzer with electronic control and automatic pressure regulation (patent number: CN202222107702.2)
Technical patents: A bubble pressure membrane pore size analyzer with automatic sealing of samples (patent number: CN202222480859. X)
Configuration List
| Order Number | Component Name | Quantity | |
| 1 | CY-MK bubble pressure membrane pore size analyzer | 1 unit | |
| 2 | Display (23.8 inches) | 1 unit | |
| 3 | Wireless keyboard and mouse, mouse pad | 1 unit | |
| 4 | Ø13 Plate film sample fixture | 1 unit | |
| 5 | Ø25 Plate film sample fixture | 1 unit | |
| 6 | Ø47 Plate film sample fixture | 1 unit | |
| 7 | Glass dish | 2 unit | |
| 8 | Sealing ring | 5 unit | |
| 9 | Power line | 1 unit | |
| 10 | 3A Safety pipe | 2 unit | |
| 11 | High pressure dedicated connecting pipe(12mm ,2m) | 1 unit | |
| 12 | Pu gas pipe(4mm ,2m) | 1 unit | |
| 13 | Analyze pure ethanol(500ml) | 1 unit | |
| 14 | Toolkit | 1 unit | |
| 15 | Insertion row | 1 unit | |
| 16 | Air Switch(2P,32A) | 1 unit | |
| 18 | Vacuum lubrication aid | 1 unit | |
| 19 | Air compressor(120L) | 1 unit | |
| The following are optional accessories for users to choose from | |||
| 1 | External pressure tubular membrane fixture (maximum outer diameter 12mm), customizable | 1 unit | |
| 2 | Internal pressure tubular membrane fixture (maximum outer diameter 12mm), customizable | 1 unit | |
| 3 | Black and white laser printer (USB connection) | 1 unit | |
| *4 | Industrial nitrogen gas (40 liters, purity 99.9%, pressure reducing valve, high-pressure dedicated pipe) | 1 unit | |
Note: Items marked with "*" are consumables that need to be purchased by the
user after use. It is recommended that the user bring 3 bottles or use an air compressor.
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