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Online VOC analysis mass spectrometer

SPIMS 2000

Second level multi-component monitoring system of atmospheric VOCs?adopts high time resolution online VOC analysis mass spectrometer (SPIMS 2000), which can monitor more than 300 VOCs in real time, and obtain the concentration distribution and variation of different species in real time. In addition, it can screen out key species, trace the sources of pollutants in real time, and accurately determine pollution areas, industries and even pollution enterprises, providing technical support for the implementation of precise control of air VOC Pollution.

Principles of the instrument

The sample gas is introduced into the reaction chamber through polydimethylsiloxane (PDMS) membrane, ionized by vacuum ultraviolet (10.6 ev) to produce molecular ions with their own characteristics. Molecular ions fly in the vacuum TOF mass analyzer on the same path. The ion with small mass-to-charge ratio (m/z) reaches the end first, and the ion with large m/z reaches the end later. Thus, the qualitative and quantitative analysis of different substances is carried out according to the realization of the flight time at the terminal point.

Features and advantages

01

Fast response, high spatial and temporal resolution: up to the second level response, 100 spectra/s.
02

Abundant monitoring materials: simultaneously and highly sensitive detection of more than 300 kinds of components.
03

The system has low power consumption and strong endurance: The operating power of the system is less than 300 W and the lifetime of UPS is more than 10 h.
04

Less consumables, simple operation and maintenance: The system is highly integrated, easy to operate and maintain, basically free of maintenance and low cost.
05

System stability: It will not cause peak window drift due to temperature changes; it can work stably in vehicle vibration environment; data can be displayed remotely in real time.

Application field

Application case

[ Emergency monitoring ] Real-time acquisition of the temporal and spatial distribution characteristics of VOC pollution

Close observation on site can reflect the change of pollutant concentration in real time. Navigate surrounding area, divied pollution level, evaluate the diffusion range, and realize the wall chart operation. Monitor sensitive points to reflect the change and dissipation of pollution and ensure the safety of living environment.
[ Daily inspection ] Check for potential safety hazards and take precautions

Conduct operational inspections to discover potential safety hazards in time to avoid pollution. Evaluate the effect of control and provide data support for decision making. Trace the sources of pollution, resolve disputes and manage pain points.
[ Pollution portrait ] VOC precise control plan

Establish pollution portraits to diagnose regional pollution status comprehensively, quickly and accurately. Realize regional classification, enterprise classification, clarify the key points of management and control, and accurately treat the pulse for treatment. Investigate companies and sections to find the sources of pollution.

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