Meters for measuring air ion concentration

Air Ion Counter Model AIC2
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
The Air Ion Counter is a Gerdien Tube (Gerdien Condenser) meter that measures the number of positive and negative ion in air