Lub laser plua plav saib yog lub xeev - ntawm - - kos duab, compact plua plav saib siv lub laser ua nws lub teeb ci.
Nws yog cov cuab yeej ntsuas plua plav ceev uas ua raws li cov qauv kev lag luam ntawm Ministry of Health; tshaj ib txhiab units twb tau siv thoob plaws hauv Suav teb.
Cov cuab yeej no tsim nyog rau kev ntsuas nrawm ntawm qhov nqus tau pa (PM10) concentration nyob rau hauv cov chaw pej xeem, kev kuaj pom cov plua plav concentration hauv kev ua haujlwm kev noj qab haus huv ntawm kev lag luam thiab kev lag luam mining, thiab saib xyuas cov pa nqus plua plav concentration hauv kev tiv thaiv ib puag ncig.
Nws kuj tseem tuaj yeem siv los ntsuas qhov kev ua kom huv huv ntawm huab cua purifiers.
"Txoj Kev Txheeb Xyuas Kev Nyab Xeeb Ntawm Cov Khoom Siv Hauv Qhov Ncauj (PM10) Concentration nyob rau hauv Public Places - Txoj Kev Teeb Pom Kev" tau pom zoo los ntawm National Environmental Health Standards Professional Committee hauv Fuzhou thaum lub Kaum Ib Hlis 1999. Txij thaum ntawd los, lub teeb tawg pov tseg plua plav ntsuas tshuab thiab cov cuab yeej tau dhau los ua cov qauv kev lag luam hauv Suav teb, tshwj xeeb tshaj yog cov qauv kev lag luam. "Txoj Kev Hloov Pauv ntawm Cov Zej Zog Kev Sib Koom Tes thiab Kev Sib Haum Xeeb ntawm Cov Plua Plav hauv Cov Chaw Ua Haujlwm Railway" (TB/2323-92) hauv 1992; Lub Xeev Lub Tuam Tsev Saib Xyuas Kev Saib Xyuas Kev Ua Haujlwm tau tshaj tawm thiab ua raws li "Cov Cai Tswj Xyuas Kev Nyab Xeeb rau Lub Teeb Scattering Digital Dust Testers" (JJG846-93) hauv xyoo 1993; thiab Ministry of Labor tau tshaj tawm thiab siv cov qauv kev lag luam "Light Scattering Method for Determining Dust Concentration in Air (LD98-1996)" thaum Lub Ib Hlis 1998.