A few practical benefits: Particle counter with durable laser diode Conforms with ISO 21501-4 6 particle size channels from 0.3 to 10 μm Detects size fractions and concentrations of air particles Built in gas-detector for formaldehyde and carbon monoxide concertration Direct conversion and indication of concentrations of E-dust and A-dust in the room air per cubic meter Also measures environmental factors such as air temperature, humidity, dew and wet-bulb temperature Data logger for 5,000 measurements on the internal memory (optional memory expansion of up to 16 GB with a MicroSD card) Integrated digital camera for photo and video documentation of the measured environment Additional colour indicator display with automatic acoustic alarm for quick detection of critical particle concentrations 2.8 inch colour LCD display with backlight for simultaneous display of all measured parameters Ergonomic single-handed operation Tripod mount for continuous measurement on a tripod PC measurement data export via USB interface Optional: calibration certificate Technical details of the PC220: Particle counter Measuring channels: 6 Channel sizes: 0.3 μm, 0.5 μm, 1.0 μm, 2.5 μm, 5.0 μm, 10.0 μm Counting modes: Concentration, cumulative, differential Counting efficiency: 50% at 0.3 μm; 100% for particles > 0.45 μm Flow rate: 2.83 l/min (0.1 ft³/min), controlled by internal pump Zero count: Coincidence loss: 5%, 2 million particles per ft³ (28.3 litres) Light source: Laser class 3B, wave length 780 nm, 90 mW Sample inlet: Isokinetic probe
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