The handheld CPC model 3007 offers one-button operation and an easy-to-exchange wick. It is designed to take isopropyl alcohol (IPA) as its working fluid, so it is easy to keep the necessary consumables on-hand. At a weight of 1.7 kg (3.8 lbs), it is perfect for mobile particle number measurement. 
 

• Particle size range of 0.01 to >1.0 µm
• Concentration range of 0 to 100,000 particles/cm³
• Battery-powered operation
• Programmable data-logging capabilities