Particles Plus 2501 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, and 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. No appreciable drift.

Calibration: NIST traceable

Vacuum Requirements: External vacuum > 15” (38.1cm) of Hg

Airflow: Internally monitored

Number of Channels: 4 Channels

Alarm: User configurable alarm light

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): 1.83 x 3.59 x 5.01 in (4.6 x 9.1 x 12.7 cm) including probes and connectors

Weight: 1.65 lb. (0.75 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: 41-104ºF (5-40ºC) / 20% to 95% non-condensing

Storage Conditions: 32-122ºF (0-50ºC) / Up to 98% non-condensing

Datasheet