Particles Plus 2501P Remote Airborne Particle Counter (0.5 – 25.0 µm @ 0.1 CFM)
Size Range: 0.5 μm to 25.0 μm
Size Channels: Factory calibrated at 0.5, 1.0, 2.5, 5.0 μm
Counting Efficiency: 50% @ 0.3μm; 100% for particles > 0.45 μm per JIS
Flow Rate: 0.1 CFM (2.83 LPM)
Concentration Limits: 10,000,000 particles/ft3 @ 10% coincidence (per ISO 21501-4), 20,000,000 particles/ft3 @ 10% coincidence (as tested and validated1)
Light Source: Long life laser diode
Zero Count: <1 count / 60 minutes (<1 particles / 6 ft3). No fault count subtraction.
Calibration: NIST traceable
Vacuum Source: Internal vacuum pump with HEPA filter
Filtered Exhaust: Internal HEPA filter
Airflow: Internally monitored
Number of Channels: 4 Channels
Alarm: User configurable alarm LED ring
Communication Modes: MODBUS™ RTU, ASCII (over isolated RS-485)
Standards: ISO 21501-4 and JIS B9921
Instrument Calibration: Recommended minimum once per year
External Surface: Stainless steel
Dimensions (L x W x H): 3.59 x 1.83 x 5.66 in (9.1 x 4.6 x 14.3 cm) including probes and connectors
Weight: 1.94 lb. (0.88 kg)
Accessories: Wiring Connector, Operating and User Manual on USB flash drive
Optional Accessories: Power Supply, Remote Mounting Bracket, Isokinetic Probe, Filter Assembly, and Sample & Vacuum Tubing
Sample Time: 1 second to 18 hours
Power: 9 - 24 VDC (< 3.5 watts)
Operating Conditions: 41-104°F (5-40°C) / 20% to 95% non-condensing
Storage Conditions: 32-122°F (0-50°C) / Up to 98% non-condensing
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