Air Ion Tester Meter Counter -Ve Negative Ions With Peak Maximum Hold NEW

Feature:

-This Air Ion Tester is designed for high level concentration of negative or positive air ion.

-It is effective to the electric charge on the surface of textile by strict.

-With it you can estimate whether the air ion or air purifier is working in good state.

-Simple and small design, easy to carry,very easy to hang as a necklace

- 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 provide you a rough measurement to the air ion source. Please don't take it as an precision instrument.

　

Specification:

supply: 1.5V x 2 LR44 button size

Dimensions:80mm(L) x 30mm(W) x 10mm(H) ;90g

LCD Display: reading of 1999

range is between 1x10000 to 1999x10000 ions/cc

Resolution:1x10000 ions/cc



Attention:

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

2.Please note that the colour may be a little different due to the effect of light























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