Model Number: KT-401 Mini AIR Ion Tester-#4842 Brand Name: KILTER Key Specifications/Special Features: Test with positive and negative air ionTest range is between 1 x 104 to 1,999 x 104 ions/ccResolution: 1 x 104 ions/cc

Measure with ion generator or air purifier

Measure ions on textile or cloth

Don't touch the rear square metal of the tester when testing

Test the textile or cloth, judge the ion's polarity and concentration

Peak hold (KT-401P)

Dimensions: 78 (L) x 27 (W) x 9mm (H)