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Measured Parameter: Ultrafine particle concentration
Operating Principle: Optical light scattering after water vapor growth
Condensation Approach: Near-adiabatic expansion with single particle counting
Concentration Range: 0 to 100,000 particles/cm3
Particle Size Range : 0.005 to 3.0 μm
Size Channels: 0.005 μm threshold (one size bin)
Efficiency: ±10% below 30,000/cm3, ±20% at higher concentrations
Sample Rate : 6s cycle time
Number of Channels: 1
Liquid Requirement: Distilled water
Water Consumption: < 3mL/day
Flow Rate: Variable
Internal Vacuum Pump: Internal pump with local control
Operating Conditions: 45º to 100ºF (5 to 38°C)
Communication Modes: Modbus (RTU/ASCII) via 3.3v UART
Instrument Calibration: Recommended minimum once every one year
Dimensions (L x W x H): 5.40 x 2.00 x 6.71 inch (13.71 x 5.08 x 17.04 cm)
Weight: 2 lbs (907 grams)
Optional Accessories: Standard filter, External 1L bottle
Operating Conditions: 41º to 104ºF (5º to 40ºC) / 20% to 95% non-condensing
Storage Conditions: 32º to 122ºF (0º to 50ºC) / Up to 98% non-condensing
Power: 7 - 15 Vdc
Power Consumption: ~12 Watts with the pump and ~8 Watts without the pump
