In recent years, my country's motor vehicle insurance has increased dramatically, and the problem of safe operation of motor vehicles has become more and more prominent, strengthening the management of motor vehicles, attaching importance to the safety technology testing of motor vehicles, and has become the whole society, especially the public security traffic management department needs to be studied. Important topics, also provide a good opportunity for the development of motor vehicle safety technology testing in my country.
With the development of my country's auto safety testing equipment market, the core production technology application and research and development of the relevant core production technology will become the focus of industrial enterprises. Understand the research and development of domestic and foreign auto safety testing equipment production core technology, process equipment, technical application and trend to improve product technical specifications, and improve market competitiveness.
Carbon monoxide (CO) is an inorganic compound in air. Under normal conditions, carbon monoxide is colorless, odorless, tasteless, hard to dissolve with water, melting point -199 ° C, boiling point -191.5 ° C. The gas density is l in standard conditions. 25g / L, and air density (1.293 g / l under standard conditions are small, which is also one of the factors that are easy to cause gas poisoning. It is neutral gas.
Note when detecting carbon monoxide:
(1) The main component of the Hogarat oxidant is manganese oxide and copper oxide. Its effect is to oxidize carbon dioxide in the air to be used for the instrument to zero. The oxidation efficiency of this oxidant at 100 ° C should reach 100%. To ensure its oxidation efficiency, drying should be kept during use and storage.
(2) The main performance indicators of the carbon monoxide infrared gas analyzer are as follows: Measurement range: 0-30ppm; 0-100ppm. Reproducibility: ≤ ± 0.5% full scale. Zero drift: ≤ ± 2% full scale / 4h. Span drift: ≤ ± 2% full scale / 4h. Linear deviation; ≤ ± 1.5% full scale. Start time: 30 min. Carbon dioxide interference: 500 ppm CO2 ≤ ± 2% full scale. Pumping flow: about 500ml / min. Response time: The pointer indicates 90% <15s of="" the="" full="" scale.="" (3),="" non-pending="" components="" in="" ambient="" air,="" such="" as="" methane,="" carbon="" dioxide,="" water="" vapor,="" and="" the="" like="" can="" affect="" the="" results="" of="" the="" measurement.="" however,="" in="" series="" infrared="" detectors,="" interference="" can="" be="" eliminated="" mostly="" eliminating="" the="" above="" non-pending="" components.="" (4)="" since="" the="" water="" vapor="" is="" interference,="" it="" is="" measured.="" the="" air="" sample="" should="" be="" dried="" over="" the="" hose,="" and="" then="" enter="" the="" instrument="" to="" determine.="" (5),="" the="" instrument="" can="" be="" measured="" continuously,="" and="" the="" gas="" is="" introduced="" into="" the="" instrument="" with="" a="" polytetrafluoride="" tube,="" and="" the="" change="" in="" the="" recording="" instrument="" can="" be="" carried="" out="" in="" 24="" h="" or="" long-term="" monitoring="" of="" carbon="" monoxide="" concentration="" in="" the="" air.="" (6)="" after="" the="" instrument="" is="" started.="" it="" must="" be="" fully="" charged="" and="" stable="" for="" more="" than="" 1="" h.="" the="" sample="" measurement="" is="" carried="" out,="" otherwise="" the="" accuracy="" of="" the="" measurement="" result="" is="" affected.="" (7),="" the="" lower="" limit="" concentration="" of="" this="" method="" is="" 1="" ppm.="" recommended="" a="" carbon="" monoxide="" sensor="" applied="" in="" a="" vehicle="" to="" detect="" carbon="" monoxide="" (co="" sensor)="" from="" abroad="" -="" tgs5141,="" tgs5141="" carbon="" monoxide="" sensor="" co="" sensor="" is="" a="" battery-driven="" electrochemical="" sensor="" developed="" by="" fero,="" using="" a="" special="" the="" electrode="" replaces="" the="" water="" storage,="" since="" the="" tgs="" 5141="" is="" compared="" to="" tgs="" 5042="" due="" to="" the="" tgs="" 5042,="" the="" tgs="" 5141="" is="" reduced="" to="" only="" 10%="" size="" of="" only="" the="" latter.="" ultra-small="" volume="" allows="" it="" to="" be="" ideal="" for="" a="" portable="" carbon="" monoxide="" detector,="" miniature="" residential="" carbon="" monoxide="" detector,="" multi-purpose="" fire="" detector.="" oem="" customers="" will="" find="" that="" through="" the="" barcode="" of="" each="" sensor,="" the="" data="" of="" each="" sensor="" can="" be="" printed="" separately,="" allowing="" users="" to="" avoid="" expensive="" gas="" calibration="" procedures,="" allowing="" individual="" sensors="" to="" be="" tracked.="" responsible="" editor:="" pj,="" reading="">
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