Description : KT-401 Mini Air Ions Tester Negative Oxygen Anion Concentration Detector Aeroanion Meter
but it can’t be used to testing the negative oxygen ions from natural environment and leather, cloth, powder etc.Using methods :1. Turn the switch to “ON” position.
2. Keep your thumb in contact with the front square metal plates, then make the rear square metal towards the air anion generator.
The closer to the air anion generator in test, the higher reading of the tester shows.
3. If it shows without symbols in reading, it means Positive ions.
or show ” – “, it means Negative ions.
4. Don’t touch the rear square metal of the tester in measuring, otherwise it would be inaccurate readings.
5. Before mesuring, keep the switch in ” off ” position.
LCD Display : Max reading 1999
Measuring range : 1 x 104 — 1999 x 104 (ions / cc)
Resolution : 1 x 104 (ions / cc)
Power source : 1.5V x 2LR44 button battery
Size : 8 x 3 x 1cm/3.15 x 1.18 x 0.39inch
4 x LR44 Button Battery