Bet Analyzer

Bet Analyzer

The BET Analyzer measures specific surface area and porosity, critical physical parameters of porous materials typically assessed through physical adsorption methods. Under controlled conditions, the BET Analyzer selects appropriate gas adsorption, allowing gas molecules to adsorb across the entire surface of the sample under test.
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Product Description

 

Bet Analyzer is an instrument used to measure the specific surface area and pore structure of porous materials. It calculates the specific surface area and pore size distribution by gas adsorption method and is mainly used for material characterization and performance evaluation.

 

Advantages

 

Strong Micropore Resolution
The vacuum limit reaches 1×10⁻⁶ Pa. Combined with a highly sensitive sensor, it can accurately measure pores as small as 0.35 nm, making it ideal for microporous material analysis.

 

High Sample Throughput
Supports up to three analysis stations and six external degassing stations, enabling simultaneous processing of multiple samples.

 

High Gas Control Precision
A built-in PID airflow control system prevents data interference from airflow fluctuations.

 

Long-Term Low-Intervention Operation
Equipped with a maximum 4L Dewar flask, it offers a holding time of up to 100 hours, enabling continuous operation for multiple test cycles.

 

Strong Low-Adsorption Detection Capability
Supports sample volumes as low as 0.1 mL, making it suitable for precise surface area analysis of high-value or very small samples.

 

Strong Data Compatibility
Raw data can be directly exported to TXT format for easy import into plotting tools such as Origin.

 

 

Specifications

 

Control Mode

Automatic controlled by software

Communication mode

RS485, upgraded to the USB or network interface

Built-in Detector

Three pressure sensors, including a pressure sensor of pirani vacuum silicon

Analysis station

1~3

Volume of sampling

0.1-3mL

Reaction Gas

N2, Ar,CO2

Gas Purity

>99.995 %

Calibration Gas

He

Control of Gas Flow

PID

Sample Cell

Erect type, quartz material, half- round bottom

Degassing Station

1-3 degassing stations of built-in,6 degassing stations of external sample cell.

All in One Valve Unit

Integrated valve bank, pile-up valve, gas circuit, pressure sensor

Vacuum System

Two-stage rotary vacuum pump, turbo molecular pump if necessary

Vacuum Purity

1*10-2 pa, 1*10-6 pa can be reached if on the condition of molecular pump

Dewar

2L-4L high capacity, staying warm is no more than 100 hours

Jacking System

Automatically controlled by lift

Software

Dedicated analysis workstation of software,based on Windows platform software

Data Export

Support TXT text output,which makes the exchange data with drawing tools like Origin more convenient

 

FAQ

Q: What is the minimum sample volume that the Bet Analyzer can measure?

A: It supports sample volumes as low as 0.1 mL, making it suitable for accurate testing of small samples.

Q: Can multiple samples be tested simultaneously?

A: It supports up to three analysis stations and six degassing positions, enabling parallel processing of multiple samples.

Q: Is it suitable for testing microporous materials?

A: Equipped with a high vacuum system, it can achieve a vacuum level of up to 1×10⁻⁶ Pa, making it suitable for measuring micropores smaller than 1 nm.

Q: Is the gas flow rate stable during the test?

A: PID gas flow control ensures smooth airflow during the adsorption process and highly consistent data.

Q: Can test data be exported for secondary analysis?

A: Data can be exported in TXT format, allowing direct use in software such as Origin for charting and calculations.

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