BET Specific surface area tester, 1 station, 0.0005m2/g

BET-20 BET specific surface area tester, 1 station, 0.0005m2/g

BET-20 BET specific surface area tester uses a high-sensitivity sensor and a dual-gas source dynamic test method, in accordance with the national standard GB/T19587-2017, based on the principle of dynamic low-temperature nitrogen adsorption. Helium is used as the carrier gas and nitrogen is used as the adsorbed gas as the test gas to analyze the solid surface of different samples. The instrument is calibrated using national standard materials such as GBW (E) 130275.

BET-20 specific surface area tester has a reasonable structure, stable performance, high precision, fast test speed, simple operation, and no special requirements for the use environment. It is suitable for rapid testing of the specific surface area of powder materials in various industries, especially for samples with small specific surface areas.

Application fields

Measurement of specific surface area of porous powders such as graphite, lithium cobalt oxide, nickel hydroxide, lithium manganese oxide, lithium titanate, lithium carbonate, pharmaceutical powder, catalyst, adsorbent, cement, ceramic raw materials, etc.

Technical specifications

Model	BET-20
Measuring range	0.0005m2/g～No upper limit
Repeatability error	≤±3%
Accuracy error	≤±3%
Workstation	1
Test method	Single point test, multi-point (BET), comparative test
Sample test tube	High-quality temperature-resistant GG material, U-shaped sample tube
Test gas	High-purity helium and nitrogen.
Software system	Compatible with Windows 10/Win7 0 operating system
Environmental requirements	Temperature: 5℃～35℃; Humidity: <85%;
Working power supply	AC220V ±22V   50Hz±0.5Hz
Instrument weight	About: 30kg
Instrument size	700mm×360mm×710mm

Advantages of the instrument

1. The proprietary high-precision standard injector ensures that the standard gas of various volumes is stable and accurate.

2. Although there is only one workstation, it is economical and practical, with short test time and high efficiency, about 3 minutes for each sample.

3. Test method: When the sample tube is placed in the liquid nitrogen cup, the nitrogen in the mixed gas is adsorbed by the sample, the sample tube leaves the liquid nitrogen, and the nitrogen adsorbed by the sample is desorbed. According to the response curve of desorption and the response curve of the standard volume gas, the specific surface area of ​​the sample can be calculated.

4. High-sensitivity detector, low operating temperature, long life, the detector will not be damaged by changes in gas composition.

5. The analysis software can run under XP/win10 system, the software is fully functional, convenient for comparative analysis of test results, and the test results can be displayed, saved or printed. The output test report has the functions of storage, query, comparison, editing and deletion.

 

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