Air Ion Tester Positif Negatif Ukur kadar Ion udara KT-401 Ionizer + -

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Air Ion Tester umumnya digunakan untuk mengukur konsentrasi Ion Negatif dan Positif pada udara, benda,tekstil dan lain lain (Cek video demo pemakaian)
Banyak digunakan sebagai tester apakah Air Purifier yg dipakai berfungsi dengan baik
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This Air Ion Tester is designed to test high level concentration of + or - air ion.
It is effective to test the electric charge on the surface of textile.
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.
DISPLAY
LCD Display: Max reading of 1999.
Overflow and display only "1".
Low battery indication
Features:
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 tester when testing
Power supply: 1.5V x 2 LR44 button size battery (Included)