The RAD-1750 radon detector uses phototransistor sensor technology imported from Europe, has high sensitivity and high consistency, and has been calib ... Explore More
ONETEST-501-? Air negative ion detector is an economical negative ion detector developed by Wanyi Technology, used to measure the concentration of neg ... Explore More
Intelligent air anion detector KEC900+II Using German imported standard parts and intelligent sampling fan,MCU system control, direct reading LCD LCD ... Explore More
