Online DOAS-3000-Xylene Differential UV Spectrometer

Online DOAS-3000-xylene


★ Explosion-proof and waterproof design, protection grade IP66, outdoor type, fast detection, reliable and stable;


★ Built-in high-efficiency two-stage condensation dehumidification and dust removal pretreatment system, automatic control integrated design, effectively reduce SO2 loss, prevent water vapor interference, and more suitable for working conditions with high humidity and low flue gas component concentration;


★ Using differential absorption spectroscopy technology (DOAS), the temperature drift is small, the measurement accuracy is high, and the ultra-low concentration can be measured;


★ Long-life pulsed xenon lamp cold light source, short warm-up time and long service life;


★ Built-in long optical path gas cell, dual range design for NOx and SO2 analysis, automatically switch range control according to the concentration value;


★ The concentration curve of each flue gas component is displayed in real time, and the curve display ratio can be adjusted;


★ Low detection limit, not affected by moisture and dust, strong anti-interference ability, can avoid cross-interference between gases;


★ Built-in heating device, automatically start the heating function at low temperature, so that the analyzer can be used in severe cold areas;


★ Android operating system, support Chinese and English input, convenient for users to input sampling location and other information, to achieve good human-computer interaction;


★ Industrial high-speed embedded industrial computer with precise control and fast speed;


★ Design and develop computer database and communication system software under windows environment to realize computer communication for storage and printing;


★ Equipped with rich man-machine interface, support mouse, U disk, keyboard, touch pad, printer and other equipment;


★ The fault self-checking function can generate fault reports after detection, which is convenient for users to maintain;


★ Integrated integrated micro thermal printer or external Bluetooth wireless printer;


★ The flue gas conversion method is based on the reference oxygen content conversion method and the conversion factor conversion method;


★ Large-capacity data storage, 16G, can create folders on a daily basis, and store daily test data separately;


★ Optional automatic blowback system;


★ The standard sampling distance is 30-40 meters, and the maximum sampling distance of the optional vacuum pump is more than 70 meters;


★ It can detect and analyze the flue gas whose temperature is within 2000℃.

Online DOAS-3000-xylene detection parameters:


Detection parameters: NO, NO2, SO2, NH3, H2S, O3, benzene, toluene, xylene, etc., can also be equipped with a pitot tube to detect the wind speed, temperature, pressure, flow rate of the flue, and can also be equipped to detect wind speed, wind direction, etc. Meteorological parameters such as rainfall and atmospheric pressure; measurement range: 0-2, 10, 20, 50, 100, 500, 1000, 2000ppm, other ranges can be customized;


Detection principle: Ultraviolet Differential Absorption Spectroscopy (DOAS);


Sampling temperature: -40℃ ~800℃ (standard), optional: -40℃ ~1300℃, -40℃ ~2000℃, higher temperature detection and analysis need to be customized; sampling humidity: 0~99%RH;


Host working environment:-40℃ ~70℃, ≤ 95%RH;


Working mode: online continuous work, pump suction sampling;


Sampling distance: standard 30-40 meters, the sampling distance of the optional vacuum pump is greater than 70 meters;


Sampling flow: adjustable, 4 liters/minute (standard), 10 liters/minute, optional;


Working voltage: 220VAC, 50HZ;


Output signal: 4~20mA, RS485, multiple passive contacts, optional: wireless transmission, network transmission;


Protection level: IP66 outdoor waterproof type, explosion-proof type is optional;


Display mode: standard product has no window display, optional 9-inch touch color screen display;


Printing method: no printing function, optional wireless bluetooth printer for printing;


Alarm mode: optional integrated sound and light alarm, external type