The AeroTrak™ 9001 Cleanroom Condensation Particle Counter (CPC) stands out as the optimal solution for cleanroom particle monitoring, designed specifically with ultra-pure or de-ionized water as its working fluid. Unlike other CPCs that use hazardous or maintenance-heavy fluids, which are incompatible with continuous cleanroom operation, this CPC ensures a contaminant-free environment while enabling confident 24/7 operation. Ultra-pure water, readily available in most cleanroom settings, is ideal for sustaining high flow rates and minimizing maintenance. The AeroTrak 9001 offers unmatched reliability, with ultra-low false count rates and zero risk of chemical contamination, making it the go-to choice for maintaining the stringent cleanliness standards required in critical environments like those in pharmaceutical and medical device manufacturing.