Benzene Series Online Analyzer

BENZENE SERIES ONLINE ANALYZER (GAS CHROMATOGRAPHY)
Our company has developed the Vair-9005 Benzene Series Online Analyzer (Gas Chromatography) by combining the principle of normal temperature enrichment/high temperature thermal desorption analysis with hydrogen ion flame detection technology (FID). It meets the standard of "Determination of Benzenes in Ambient Air by Solid Adsorption Desorption Thermal Desorption-Gas Chromatography (HJ 583)"

The Vair-9005 Benzene Series Online Analyzer has built-in room temperature enrichment module, which can capture the benzene series components of different concentrations in ambient air at room temperature, carry out effective concentration, and then conduct measurement and analysis through high temperature desorption, and achieve accurate realization of ppb level measurement

FEATURES :

No preprocessing module, easy and simple operation, convenient and quick maintenance
Built-in enrichment module, more compact structure, shorter analysis path, avoid loss of test sample gas
Electronic flow control of gas routing, strong anti-interference performance, high accuracy and accuracy of test results

Analysis Sample Range	Benzene series (BTEX)
Linearity	≥0.995
Detection Limit	Benzene series ≤0.05nmol/mol
24h Zero Drift	≤±0.02μmol \ mol
24h Span Drift	≤±5%
Repeat ability	≤5%
Accuracy	≤10%
High Concentration Residue	≤1%
Analysis Cycle	15 min
Sample Injection Method	Low temperature enrichment thermal desorption desorption injection technology
Column Type	Packed column for benzene series
Column Heating Method	Column thermostat heating
Column Temperature Range	80~120℃
Enrichment Temperature	30℃
Analytical Temperature	250℃(Adjustable)
Analytical Heating Rate	Heating rate up to 30°C/s
Gas Path Control Method	Whole path MFC mass flow control
Detector Type	FID hydrogen flame ionization detector
Accuracy Relative Error	Accuracy of all components≤5%
Precision Relative Error	Precision of all components is less than or equal to 5%
System Residual	System residual concentration of 90% components ≤ 0.1 nmol/mol
Measurement Range	0~300 nmol/mol
Power / Power Supply	<3000W, 220V/50Hz
Operating Temperature	0~30℃
Ambient Humidity	≤85%RH
Gas Source Requirement	Carrier gas: high purity Nitrogen (≥99.999%) Combustion gas: high-purity Hydrogen (≥99.999%) Supporting gas: zero air (HC≤5ppb) Compressed air source: >0.45MPa

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