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Indoor Dust Particle Counter, Widely   Scattering ABS Real Time Recording High Test Accuracy Air Quality Dust Particle Counter  for Outdoor

<ul><li>Large Battery Capacity: This instrument has 2000mah battery capacity, long battery life. ABS material, strong and</li><li>Principle: The instrument uses the principle of  scattering to accurately measure the number and quality of different particle sizes in the  per unit volume</li><li>Fast  Speed: Designed to detect the number of dust particles per unit volume in a clean environment, with many functions, high  accuracy, fast speed, easy to carry</li></ul>

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<br/><b>Specification:</b><br/>Item Type: Dust Particle Counter<br>Material: ABS<br>Weight: Approx. 596g / 21oz<br>Product Size: Approx. 18.3x7cm / 7.2x2.8in<br>Particulate Matter Detection Range 0.3μm to 10μm<br>Particle Size :0.3μm, 0.5μm, 1.0μm, 3.0μm, 5.0μm, 10μm<br>Counting Efficiency :0.3μm 50%, Greater Than 0.5μm  According for ISO 21501 4 and JIS<br>Particle Size Resolution: 0.5 mm&lt;15% According for ISO 21501 4<br>Sampling  Rate :2.83l/min 0.1ft³<br>Battery Type: Lithium Battery Shipped with Built in Battery<br>Battery Model: None<br>Battery Capacity: 2000mah <br/><br/><b>Package List:</b><br/><p>1 x Dust Particle Counter</p><p>1 x Storage Box</p><p>1 x USB Data Cable</p><p>1 x English Instruction Manual</p> <br/><br/><b>Note:</b><br/><div>1. It should be  in a clean environment to prevent damage to the  sensor.</div><div>2. do not disassemble the instrument or put it into the fire.</div><div>3. prevent the instrument from violent vibration and falling.</div><div>4. Do not let liquid  into the instrument.</div><div>6. when the machine into different environmental temperatures, especially from the low temperature environment into the high temperature environment, the water may dew on the instrument, must be stable for half an hour, then power, to measure the values. No water, solution or other liquid shall enter through the sampling  intake.</div>

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