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)
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ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ