KT-401 Mini Air Ions Tester Negative Oxygen Anion Concentration Detector Aeroanion Meter
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.
Model : KT-401
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
1 x KT-401 Air Ions Tester
4 x LR44 Button Battery