Meters for measuring air ion concentration

Air Ion Counter Model AIC2
Discontinued Product. New Model Available. Click Here for AIC3Pro
The Air Ion Counter Model AIC2 is a Gerdien condenser meter that measures the number of positive negative ions in air, with USB datalogging.
ADDITIONAL NOTE: Occasionally, when component volume gets low due to supply chain problems caused by the pandemic we may need to ship AIC2s with blue and white displays. Please rest assured that our AIC2 will continue to be the same quality instrument we have been shipping for years with a slightly different display.

Air Ion Counter Model AIC3Pro
Precis-Ion™ Air Ion Counter Model AIC3Pro is a lightweight, handheld Gerdien condenser meter that measures the number of positive or negative air ions. The meter can display both polarities and their sum. It also features a Li battery and data/time stamped data recording via a removable MicroSD card.

Air Ion Counter
Limited Supply. New Model Available. Click Here for AIC3Pro
The Air Ion Counter is a Gerdien Tube (Gerdien Condenser) meter that measures the number of positive and negative ion in air