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KT-401 Air Ion Tester Counter -Ve Negative Ions With Peak Maximum Hold

escription : KT-401 Air Ion Tester Counter -Ve Negative Ions With Peak Maximum Hold Features : 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. Simple and small design, easy to carry,very easy to hang as a necklace. Test the textile or cloth, judge the ion’s polarity and concentration. 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. Test ion generator, air purifier, textile, cloth ect. Judge ion polarity and concentration. Don’t touch the rear square metal of the tester when testing.   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: 1×10000 to 1999×10000 ions/cc. Resolution: 1×10000 ions/cc Package includes : 1 x Air Ion Tester 4 x LR44 Button 1 x User Manual Details pictures :

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