Meters for measuring air ion concentration
![Air Ion Counter AIC2](https://www.alphalabinc.com/wp-content/uploads/2018/02/Air-Ion-Counter-Model-AIC2-Negaitve-Ion-Display-300x300.jpg)
Air Ion Counter Model AIC2
AIC2 is discontinued, new version 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.
![AIC3 Pro, Air Ion Counter AIC3 Pro](https://www.alphalabinc.com/wp-content/uploads/2023/03/AIC3-Web-Main-image-300x300.jpg)
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 AIC](https://www.alphalabinc.com/wp-content/uploads/2018/03/AlphaLab-Inc.-Air-Ion-Counter-Model-AIC2Mj-2-Million-Ion-Scale-300x300.jpg)
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