100 m pm2 5 measurement device

{"cid":"91224294","title":"0.5um 1.0um 2.5um 5.0um Dust Particle Measuring Device Dust Particle Analyzer","imgUrl":"https:\/\/img.chinax.com\/nimg\/64\/71\/243f8756f17121bf0a427f29cbdc-200x200-1.jpg","attrs":{"Brand Name":"ONETEST","Model Number":"ONETEST-100DPC","Minimum Order Quantity":"1 pieces","Delivery Time":"7~20 days","Place of Origin":"Shenzhen, China","Payment Terms":"T\/T","Supply Ability":"100 pieces \/ 32 days","Packaging Details":"Product packaging: Plastic box, transport packaging: Carton","measuring principle":"Principle of laser-counting and light-scattering","grain size":"0.3um, 0.5um, 1.0um, 3um, 5.0um, 10um six channels","illuminant":"Long-life laser diode","rate of flow":"2.83L\/m","certainty of measurement":"\u00b1 15% maximum error","internal battery":"Built-in rechargeable battery of 15,000 mA"}}

{"cid":"91225138","title":"Intelligent WIFI Dust Particle Counter RJ45 4G Dust Size Analyzer PM2.5 PM5 PM10 Air Quality Monitor","imgUrl":"https:\/\/img.chinax.com\/nimg\/bf\/8a\/959acd4bc4bd72a69159f136b08c-200x200-1.jpg","attrs":{"Price":"USD 1000.00~USD 1100.00 per piece","Brand Name":"TOPRIE","Model Number":"TP505","Minimum Order Quantity":"1 piece","Delivery Time":"5-8 work days","Certification":"CE,ROHS","Place of Origin":"China","Payment Terms":"L\/C,D\/A,D\/P,T\/T,MoneyGram,Western Union","Supply Ability":"100 pieces per day","Packaging Details":"Packed in paper carton"}}