TH-2001H chemiluminescence nitrogen oxide analyzer (portable)

　　Working Principle:
This instrument uses chemiluminescence method. The basic working principle is that NO and O3 react to generate NO2 with energy. When NO2 with energy releases energy, it produces fluorescence of a specific wavelength, and the intensity of this fluorescence is linearly related to the concentration of NO. The sample gas detection method is as follows: the NOX in the sample gas enters the instrument and is divided into two paths. One path of the sample gas enters the reaction chamber, where NO reacts with O3 to measure the concentration of NO. The other path of the sample gas enters the conversion furnace to convert NO2 in the sample gas into NO, and then enters the reaction chamber to react with O3. The measured value is NO2+NO=NOX. Subtracting the NO concentration from the NOX concentration is the concentration of NO2. The two-way sample gas is switched through an electromagnetic valve and shares a set of testing rooms without any system errors. The photomultiplier tube converts light signals into electrical signals and calculates the concentration of NO, NOX, and NO2.

　　Instrument features:
◆ Equipped with a 7-inch full touch color screen, the monitoring values can be switched freely between ppb, ppm, μ g/m3, and mg/m3.
◆ Chinese and English menu style operation interface, easy to operate.
◆ Equipped with automatic range conversion function.
The monitoring values can be displayed graphically, and the graphical curves can be freely scaled.
◆ Equipped with automatic temperature and pressure compensation function.
Adopting adaptive optimization algorithms to achieve optimal response time and signal-to-noise ratio.
Support remote calibration and remote diagnosis of internal working parameters.
◆ Massive historical data storage, query, and output function (one every 5 minutes).
Adopting a dual channel single channel time-division sampling gas path system.
◆ Equipped with multi parameter alarm function.
Dual use of AC and DC, can be used for more than 5 hours on a single charge.
◆ It can be preheated in advance and quickly monitored upon arrival at the site.
◆ Suitable for emergency monitoring and comparative monitoring.