KT-401 Air Ion Tester Counter -Ve Negative Ions With Peak Maximum Hold Specification : Power supply: 1.5V x 2 LR44 button battery Dimensions: 80mm(L) x 30mm(W) x 10mm(H) Weight: 90g LCD Display: Max reading 1999 Test range: 1x10000 to 1999x10000 ions/cc. Resolution: 1x10000 ions/cc Package includes : 1 x Air Ion Tester 4 x LR44 Button 1 x User Manual
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. Simple and small design, easy to carry,very easy to hang as a necklace
Test ion generator, air purifier, textile, cloth ect. Judge ion polarity and concentration.