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PM 10 and PM 2.5 (CAAQMS)

https://vasthi.com/product/22/pm10-and-pm2.5-caaqms

VASTHI providing best PM 10 and PM 2.5 (CAAQMS) Ambient particulate matter, beta-ray detector for measuring the concentration of particulate matter whose aerodynamic equivalent diameter is smaller than 2.5/10 m on rolled filter tape The instrument uses low-radiation C14 as the radioactive source.contact me: 8712181666