Handheld Particle Counter Model P311 The P311 handheld particle counter measures 0.3 m to 5.0 m with a flow rate of 0.1 CFM (2.83 LPM). Only 1.26 lb (0.57 kg), user-friendly and easy to configure, this handheld particle counter displays up to 3 size channels on its 3.5" LCD display. The P311 stores 8,000 sample records that can be viewed on the unit or on a computer via USB cable. The P311 complies with ISO 21501-4 and includes a one year warranty. With excellent quality and reliable performance, the Airy Technology P311 is the best priced handheld particle counter in the market. P311 Handheld Particle Counter Features & Benefits * Measures 0.3 m to 5.0 m * 0.1 CFM (2.83 LPM) flow rate * Measures 3 channels of simultaneous data * Weighs only 1.26 lb (0.57 kg) * Long life laser diode * USB output * Removable and rechargeable AA batteries * Includes carrying case, battery charger and download software * Stores up to 8,000 sample records and 199 sample locations * View data recorded on-screen or via computer * Large color LCD display * Concentration limit of 4,000,000 per ft3 * Complies with ISO 21501-4 and JIS B9921 standards * Lightweight high-impact injection molded plastic enclosure * Easy to clean and wipe down * 1 year limited warranty P311 Handheld Particle Counter Specifications * Measures 0.3 μm to 5.0 μm * 0.1 CFM (2.83 LPM) flow rate * Measures 3 channels of simultaneous data * Weighs only 1.26 lb (0.57 kg) * Concentration limit of 4,000,000 per ft3 * Power: DC 5V 1A (Mini USB TYPE-B) * Operating Temperature: 5 to 35'C * Operating Humidity: 20% to 95%RH non-condensing
