Mini Air Ion Tester
Quality Air Ion Counter to test both positive or negative air ion
LCD Display: Max reading of 1999.
Overflow and display only "1".
Low battery indication
Test range is between 1x10000 to 1999x10000 ions/cc
Very easy to hang as a necklace
Display concentration of positive and negative air ion
Check Ion Generator
Test the textile or cloth, judge the ion's polarity and concentration.
Attention: don't touch the rear square metal of the tester when testing
Power supply: 1.5V x 2 LR44 button size battery
Dimensions:78mm(L) x 27mm(W) x 9mm(H)
This Air Ion Tester is designed for test high level concentration of negative or positive air ion. It is effective to test the electric charge on the surface of textile by strict. With it you can estimate whether the air ion generator or air purifier is working in good state. The reading of the tester is correlative to the air ion concentration, but not exactly the number of it. In factor, this tester can only provide you a rough measurement to the air ion source. Please don't take it as an precision instrument.
Package：Air Ion Tester Meter Mini Counter test negative -ve +ve positive Ions Anion*1