KT-401 Mini Air Ion Tester Counter with LCD Display High Concentration of +/- Air Ion

Description

KT-401 Mini Air Ion r Counter with LCD Display High Concentration of +/- Air Ion Features: This Air Ion r 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 r is correlative to the air ion concentration, but not exactly the number of it In factor, this r can only provide you a rough measurement to the air ion source Note: please don't take it as an precision instrument, if you have any question, pls contact us! Functions: LCD display: max reading of 1999 Test range is between 1x10000 to 1999x10000 ions/cc Resolution: 1x10000 ions/cc Tiny shape 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 r when testing Power supply: 1.5V x 2 LR44 button size battery (not included) Size: 80*30*10mm Weight: 90g Includes: 1 x KT-401 Mini Air ion r