Features - Internal memory - Particle sizes up to 25 µm - Color display - Handy Specifications Measurement Range 0.3 ... 25 µm Size of Measurement Channels Factory calibrated at 0.5, 1.0, 5.0 µm. Count Efficiency 50% at 0.3 μm, 100% at > 0.45 μm Flow Rate 2.83 l/min (0.1 ft3/min) Loss (random) 5% at 4,000,000 particles/ft³ Battery Operation 10 hours Light Source Long life laser diode Zero Count Per ISO 21501-4 and JIS <1 count / 5 min (<2 particles / ft3) Counting Modes Auto, manual, real time, cumulative / differential, mass concentration Alarm 1 ... 9999999 counts, adjustable Calibration NIST traceable Display
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