KEC990 air negative and positive ion tester for negative ion plate paint air purifiers negative ion generators atomizers

KEC990 air negative and positive ion tester for negative ion plate paint air purifiers negative ion generators atomizers 1005005758517137 Pre-Order +/- Sampai Alamat 10-15 Hari FREE ONGKIR+PAJAK Garansi uang kembali jika Rusak, Beda Produk Type : Hand Tool Parts Origin : Mainland China Warranty : 12M Customized support : OEM, ODM Place of Origin : Guangdong, China Measurement Range : 10-200million/cm3 Dimesion : 165D*105W*70Hmm Resolution : 10ions Weigth : 740g accuracy : 20% Display : LCD Digit display Air Velocity : 600cm3 Operation Environment : 5-45,95% RH Power supply : lithium battery or DC 12V power adapter Certification : IECEE KEC990 air negative ion concentration detector air positive and negative ion tester Intelligent air negative ion detector KEC900+II series adopts German imported standard parts and intelligent sampling fan, single-chip system control, direct-reading LCD liquid crystal display, and adds the functions of maximum value hold, one-key zero return and average value measurement, with consistency It is an instrument for measuring and demonstrating the negative ion concentration of indoor and outdoor air negative ions, nano-coatings, negative ion health care products, negative ion building materials, air purifiers, negative ion generators and their products. Air Negative Oxygen Ion Detector KEC900+||Series Features 1. With average value measurement and MAX retention function 2. It can be grounded or installed with an electrostatic shielding plate to prevent electrostatic interference 3. It can measure positive ions and negative ions in the air, and the gear can switch automatically. 4. There is a tripod mounting hole at the bottom of the instrument, which is more convenient for outdoor measurement 5. The service life is more than fiv