Description: This device is not a quantitative product, it is a qualitative product. Only suitable for testing negative value for accuracy Ionic Air Purifier and Negative Ion Generator and Specific for Floating Customers, Please Choose Other Customers, Thank You.
Features: This air ion tester is designed to test negative or positive ions at high levels. You can use this device to determine if the negative ion polarity generated by an air negative ionizer or air purifier is correct and estimate the concentration of ion concentration. With it, you can estimate if your air ionizer or air purifier is working in good condition. Simple and small design, easy to carry, very easy to hang as a necklace
Measurement Range: 10000 --- 19,990,000 (ion/cc) Resolution: 10,000 (ion/cc) Compact and easy to carry Can show positive and negative ion concentrations Measures various negative ion generators, air purifiers, air conditioning, and high concentration of ion sources. LCD Display: Million unit of display value, 1999 maximum read value LR44button battery required (battery not included) Maximum value is