PM Series Specific Surface Area Pore Size Analyzer
Performance Parameters
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Test Theory
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adsorption and desorption isotherm
BET specific surface measurement (single point/multi-point method)
Langmuir Specific surface;
Statistics adsorption layer thickness method external specific surface;
BJH method pore volume and pore size distribution;
MK-plate method (parallel-plate model) pore volume and pore size distribution;
D-R method micro-hole analysis;
t-plot method (boder) micro-pore analysis;
H-K method (Original) micro pore analysis;
MP method (Brunauer) micro-pore analysis;
True density test;
Granularity assessment report.
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Test Range
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Specific surface 0. 0005m2/g to no-upper limit;
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Pore size: 0.35-500 nm (micro pore normal analysis: 0. 35-2nm; mesoporous analysis: 2-50 nm; macro porous analysis: 50nm-500nm), which can realize precise analysis to micropore segment.
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Total pore volume: 0.0001cc/g to no upper mite
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Measurement precision
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Specific surface area repeated accuracy ≤± 1.0%; most probable pore size repeated error ≤0.02nm; true density ≤±0.04%, external surface area ≤± 1.5%.
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Analytical station
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One or two analytical station, one P0 station, two processing stations;
Degassing treatment to test one sample and two samples, and the test process and degassing treatment of the samples can do at the same time; test system and degassing system are mutually separated.
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Independent P0
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With independent saturated vapor pressure (P0) test station, to guarantee the high accuracy of differential pressure test.
(Static method specific surface and pore size analyzer saturated steam pressure test device, Patent Number: ZL201120136959.X)
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Test System
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According to international standard “Nitrogen +helium” test mode, it can make use of helium to test temperature area volume, to make the test accuracy much higher with better repeatability.
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Pre-treatment
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2-way degassing station; degassing process will be automatically controlled by software with independent temperature-controlling, independent timing and vacuum pump starting and stopping and other functions. It supports sample degassing treatment at different temperatures and different times made simultaneously with the test; and it also has pre-set function of pre-treatment starting and stopping time, to realize unattended operation test and sample treatment, which will improve working efficiency largely.
Optional treatment mode: it is equipped with “common heating vacuumizing molecular diffusion mode” and “molecular substitution mode”
(Static method specific surface and pore size analyzer’s purified pre-treatment device, patent number: ZL201120136943. 9)
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Gas channel system
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Beishide originally developed BEST multi-way divided manifold system, it has complete overall integrated design to controlling valves, there are no any threaded seal or pipeline crimping or welding connectors, to minimize vacuum pipelines as practical as possible, so as to eliminate air-leakage points, and make the air leaking ratio lower than 10-10Pa*m3/s, and airtightness will be improved by more than 5 times, to reach the level of imported high-end instrument, which will improve the stability and accuracy of the instrument significantly; every part of the gas channel system will be modulized to install, reduce failure rate significant and enhance the stability of the instrument largely.
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Gas-controlling valve
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It adopts originally imported SMC gas controlling valve from Japan, which can solve the gas expansion problem for heating resulting from the heating of solenoid valve.
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Drift diameter of pipelines
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Large drift diameter is the essential conditions of high vacuum, degassing bit and test bit will adopt large drift diameter valve and pipelines, to make the ultimate vacuum of vacuum pump to exert itself to the maximum extent.
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Cold trap
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Degassing gas channel, it will analyze gas channel independent dual cold-trap device, can eliminate the moisture, oil materials and other impurities in the gas channel thoroughly.
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Vacuum system
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The instrument is equipped with two sets of independent vacuum system, i.e. degassing system and analytical system are mutually independent; degassing system is equipped with independent dual-level mechanical vacuum pump, ultimate vacuum is up to 10-2Pa, analytical bit is equipped with independent dual-stage mechanical vacuum pump + Germany originally imported turbine molecular pump, ultimate vacuum is up to 10-6Pa; the two sets of independent vacuum system constitutes of three pumps can not only improve test efficiency, but also eliminate the mutual influence of analysis and degassing truly and thoroughly when they are running simultaneously, so as to avoid the pollution issues resulting from one set of vacuum system.
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Pressure test
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Originally imported capacitor film pressure sensor, segment test: 0-1000torr，0-10torr，0-0.1torr (for your options)
The reading precision error is ≤0.15%, which is the highest precision for present pressure sensor; it adopts differential pressure test, which can improve the test accuracy of different pressure segments; micro pore segment differential pressure P/P0 can be up to 1×10-8 with more than 50 pieces of points; large pore segment will be equipped with a real-time test function of P0, which makes the controlling precision when P/PO is tending to critical point to up to 0.998.
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Sample category
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Powder, particle, fiber and flaky materials and other materials that can be loaded in the sample tube.
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Liquid level control
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Beishide originally developed liquid nitrogen surface servo keeping system can be used to eliminate the dead volume change resulting from liquid nitrogen surface changes by virtue of volatilization of liquid nitrogen during the test, so as to improve test precision.
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Calibration gas
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It is equipped with 99.999% high-purity HE; as well as helium dead-volume test function and temperature area test function; it can be used to get higher accuracy.
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Test gas
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High purity nitrogen and other selective multiple gases according to the requirement of users, such as CO2, Ar, Kr and so on, which will be equipped with four-way independent inlet openings.
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Flying-
prevention
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Software and hardware coordination will eliminate elutriation and boiling occurrence thoroughly:
Beishide originally developed non-obstructive-type environmental control system with principle of vortex dust falling, combining with the flying-prevention procedure; it can eliminate any elutriation and boiling phenomenon of samples that are volatile in highly vacuum conditions, so as to avoid polluting the valve pipelines that cause the decrease of systematic tightness.
( Static method specific surface and pore size analyzer with dedusting and pollution-prevention device, patent number: ZL201320045881.X)
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Vacuum pump
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Germany originally imported dual-stage mechanical vacuum pump + Germany originally imported turbine molecular pump, full-process software Auto- starting and stopping controlling.
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Liquid nitrogen cup
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It is equipped with 3L large volume, small-bore Dewar, which can guarantee no need to adding liquid nitrogen in at least 90 hours.
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After-sale service
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Professional and complete after-sale service system can provide 24 hours of telephone counseling, 49 hours of door-to-door service, we have set up service center in Beijing, Shanghai, Guangzhou, so as to make every effort for the normal running of user’s instruments.
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Dimension of Instrument
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Size: L 78cm W 50cm H 47cm, Net weight: 32Kg, Pressure AC220v±5%, its power is less than 500W.
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Technical Features
1. Software and hardware coordination will eliminate elutriation and boiling occurrence thoroughly:
Beishide originally developed non-obstructive-type environmental control system with principle of vortex dust falling, combining with the flying-prevention procedure; it can eliminate any elutriation and boiling phenomenon of samples that are volatile in highly vacuum conditions, so as to avoid polluting the valve pipelines that cause the decrease of systematic tightness.
( Static method specific surface and pore size analyzer with dedusting and pollution-prevention device, patent number: ZL201320045881.X)
2. Optional treatment mode
It is equipped with “common heating vacuumizing molecular diffusion mode” and “molecular substitution mode”
(Static method specific surface and pore size analyzer’s purified pre-treatment device, patent number: ZL201120136943. 9)
3. Put an end to dropping of liquid nitrogen cup accidently.
It is equipped with the only intelligent controlling mechanism for liquid nitrogen cup accident-prevention “safe dropping” in domestic market, which can completely avoid any risk of sample tube blast resulting from gas expansion for the sake of accident dropping of liquid nitrogen cup.
4. Vacuum Pump Automatic Starting and Stopping Management
Optimized vacuum pump starting and stopping management system, there is no need for the vacuum pump to be running all the time during test, so that to eliminate noise and extend the service life of vacuum pump.
5. Auto Save Current Data if power off
Extremely powerful stability, even accident power off, broken line, it may not lose any current data, and the test can restore to proceed continuously.
6. Air tightness Self-inspection
Advanced intelligent self-inspection procedure, it will judge if the samples are loaded or not intelligently, as well as judge if the test tube holder is tightened and if there is any air leaking.
7. Humanized Operation Interface
Distinct, visual graphical controlling interface, it can realize controlling operations for all hardware in the interface.
8. Highly Intelligent Working Mode
Interactive data processing software can realize the full-auto running of instrument, and it realized unattended operation for a long time test, which can report a certain reports according to the requirements of users.
Technical Patents:
1. Static method specific surface and pore size analyzer with dedusting and pollution-prevention device;
2. Capping device and static method specific surface and pore size analyzer;
3. Static method specific surface and pore size analyzer;
4. Static method specific surface and pore size analyzer’s saturated steam pressure test device.
5. Static method specific surface and pore size analyzer’s purification pre-treatment device.
1 Standard exported package: Internal anticollision protection, external export wooden box packaging.
2 Shipping by express, by air, by sea according to customers' requirements to find the most suitable way.
3 Responsible for the damage during the shipping process, will change the damage part for you for free.
The 3H-2000PS Series—designed for today’s laboratory
• Affordably-priced—perfect for any laboratory.
• Space saving—each unit takes up less bench space than an open 3-ring binder.
• Versatile—a wide range of characterization techniques for powdered and porous materials.
• Flexible operation—analysis type independent for each station (BET and/or pore size measurement).
•Prepare two samples by vacuum or flow methods simultaneously with sample analysis—at different temperatures if required.
• Access degasser during analysis to start/stop flow or vacuum degassingwith Analysis Interrupt.
•Eliminate cell calibration with classical helium-void-volume mode.
• Upgradeable—can adapt to meet your expanding or changing laboratory needs.
Unique Features
1. Unique and Innovative mainifold gas control system
2. Use of air control valve to avoid the heat effect of electromagnetic valve
3. Two independent vacuum systems permit simultaneous preparation of two samples while analyzing another.
4. Unique sample pretreatment anti pollution device, effectively prevent powder into the degas and analysis system
5. Long duration dewar provides virtually 70 hours analysis capability
Selection Guide
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3H-2000PS1
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3H-2000PS2
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3H-2000PS4
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3H-2000PM1
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3H-2000PM2
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Degas Stations
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2
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2
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4
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2
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2
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Analysis Stations
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1
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2
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4
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1
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2
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P0 Test
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BET
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Total volume
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√
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Mesopore（p/p0＞10-4）
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√
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√
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√
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√
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√
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Micropore（p/p0＜10-4）
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Isothe
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Vacuum Pump
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Turbo Vacuum Pump
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1000 torr Transducers
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10 torr Transducers
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Optional
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Optional
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1 torr Transducers
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Optional
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Optional
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0.1 torr Transducers
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Optional
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Optional
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Degas Cold Trap
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Analysis Cold Trap
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3H-2000PS Series Analyzer Test Reports
