EXTECH VPC260 6-Channel Particle Counter (0.3~10 µm, 0.035 ft³/min)

Channel of Particle Sizes: 0.3 µm, 0.5 µm, 1.0 µm, 2.5 µm, 5.0 µm, 10 µm

Flow Rate: 0.035 ft³/min (1.0 L/min) controlled by internal pump

Count Modes: Cumulative, Differential, Concentration

Counting Efficiency: 50% @ 0.3 µm (100% for particles >0.5 µm)

Coincidence Loss: 10% @ 2,000,000 counts per ft³

Air Temperature: 0 to 50°C (32 to 122°F), Accuracy: ±1.0°C (±1.8°F)

Relative Humidity: 0 to 100% RH, Accuracy: ±3.5% RH (20% to 80% RH)

Dew Point/Wet Bulb: 0 to 50°C (32 to 122°F)

Data Storage: 1000 data sets

Language Selection: English, Spanish, French, and German

Display: 2.8-inch TFT Color LCD

Battery: 7.4 V Lithium-ion rechargeable battery

Power Supply: 9 V DC / 2A

Dimensions: (L × W × H) 238×73×50 mm (9.3×2.8×2.0 in)

Weight: 448 g (0.988 lb)