Testo's measurement technology experts have developed the new portable flue gas analyzer testo 350, whose effective pre-set functions can guide users to conduct professional flue gas analysis smoothly. Compared with the previous flue gas analyzer testo 340, testo 350 can also measure other parameters such as CO2-IR (infrared), CxHy and H2S, and can also be equipped with commonly used gas preparation devices.
In addition to retaining the "traditional, global certification" features of the previous series testo 350-S / -XL, the testo 350 enhanced version also adds the following new functions:
1. Innovative instrument concept
Users can preset special menus through the new 3.5-inch color graphical large screen enhanced by testo 350. In addition, the instrument also has a variety of measurement object functions, such as burners, steam turbines or industrial engines. After selecting any kind of measurement object, the corresponding typical fuel table and the ordered flue gas parameters can be displayed one by one. According to the information on the display, users can easily operate without instrument knowledge, thereby reducing the work before measurement. The user can also observe the process with the help of a graphic display, so that he can pay close attention to the current measurement situation and the system situation.
2. Analysis box-rugged design meets industry standards
The analysis box contains gas sensors, air pumps and cleaning pumps, Peltier gas pretreatment (optional), gas circuits, filters, analysis and storage electronic components, power adapters and lithium batteries.
The sturdy shell has built-in anti-collision protection (special structure with X-shaped rubber edge), which avoids the downtime caused by the pollution of the instrument. The impact of sediment, impact, etc., makes the analysis box suitable for harsh environments.
The plug-in connection of the probe and the bus cable can be locked by a bayonet assembly to ensure accurate connection with the analysis box and prevent measurement errors caused by unintentional removal.
3. Convenient operation, save you time and money
The testo 350 enhanced configuration is equipped with both wired and wireless interfaces, which can be directly connected to a computer or printer. Therefore, even if there is a certain distance between the flue to be measured and the equipment calibration site, the measurement data can be easily transmitted, especially suitable for the measurement and adjustment of industrial burners.
All relevant wearing parts can be easily repaired through the access port on the back of the instrument, and these parts can be replaced quickly and conveniently without using any tools. This means that users can directly clean, maintain and replace parts on site, preventing long-term work pauses caused by instrument maintenance, which can greatly save users' time and costs.
The testo 350 enhanced type is suitable for flue gas analysis during commissioning, setting, optimization or work measurement of industrial burners, online industrial engines, steam turbines and flue gas purification systems, as well as the control and monitoring of combustion chamber or kiln gas in different processes. In addition, the testo 350 enhanced can also compare the functions of online emission measurement instruments, control and monitor the legal exhaust emission limits.
In addition to the standard equipped with an O2 sensor, the testo 350 enhanced model can be replaced or added with 5 calibrated independent gas sensors, such as CO (hydrogen compensation), COlow (hydrogen compensation), NO, NOlow, NO2, SO2, CO2-IR (infrared sensor), H2S, HC (combustion sensor) to meet the multiple measurement needs of different users.
Compared with the atmosphere, the gas in the flue generally has a high temperature, high humidity, soot and contains acid components, such as SO2, H2S, HF, HCl, and HCN, which have a large concentration and are corrosive. Testo's heated sampling system prevents acid formation in the gas sampling probe. Due to the thick insulation layer in the flue, there is a high temperature difference between the gas sampling position and the gas sampling hose. Testo heating sampling system can prevent moisture condensation in the gas sampling probe.
The NO2 contained in the exhaust gas emitted by the engine is usually high in concentration and easily mixed with other gases, so it is difficult to accurately measure the actual NOx value of the engine. The gas pretreatment module of testo 350 and the polytetrafluoroethylene hose in the flue gas probe effectively prevent the adsorption of NO2 and SO2, thus achieving high-precision measurement of nitrogen oxides.
When measuring unknown equipment or engines with unsatisfactory operating conditions, a high concentration of a measured value may occur unexpectedly (for example, CO concentration up to 50,000 ppm). In this case, testo 350 enhanced can automatically open the range expansion function. This not only ensures the longest sensor life, but also ensures that the measurement is not limited.
The testo 350 enhanced model measures the volume flow and mass flow for a long time while measuring emissions. The pressure sensor is automatically zeroed periodically to avoid errors, so you can implement reliable, unattended long-term measurements for you. When the instrument is turned on or operated manually, the testo 350 enhanced gas sensor can automatically zero through the ambient air within 30 seconds to ensure that it can enter the measurement state at the fastest speed.
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