Zero2.5 Ion-Sensor

by Zero2.5
Type: Ion Sensor
Test the presence of negative air ions with the Zero2.5 Ion Sensor.
  • Designed to work in tandem with Zero2.5 Negative Ion Air Purifiers.
  • Sleek and compact design, perfect for use in any room of your home or office.
  • Equipped with a Steel Ball that measures the concentration of negative air ions.
  • Easy to use - simply hold it one palm or 10cm (3.9 inches) from the Zero2.5 Negative Ion Air Purifier and watch as the Green LED light turns on to indicate the presence of negative air ions.


  • Dimensions: ~80*40*15mm (L*W*H)
  • Weight: 30g
  • Battery used: 3V CR2032