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Model 2501 and 2301 Remote Airborne Particle Counters
Brand: Particles Plus, IncThe 2301 and 2501 particle counters provide a range of particle size measurement from 0.3 or 0.5 to 25.0 μm at a flow rate of 0.1 CFM - 2.83LPM.
These sensors allow for efficient particle counting with specifications that exceed the ISO 21501-4 and JIS B9921 calibration standards.
These sensors have 4 fixed particle size channels and are equipped with an integral critical orifice and flow sensor to provide a stable flow rate from an external vacuum source.
Integration into a building automation or facility monitoring system is easy via isolated RS-485 Modbus communication.
Features- 0.1CFM - 2.83LPM Flow Rate
- Long Life Laser Diode Technology
- Measures Up to 4 Channels of Simultaneous Data
- Particle Concentrations Up to 15,000,000 Particles/ft³ at 10% Coincidence Loss
- Internal Critical Orifice
- Connect Using Modbus RTU/ASCII Over Isolated RS-485
- Complies with ISO 21501-4 and JIS B9921 Standards
- Easy to Clean and Wipe Down with Minimal Particle Traps
- Versatile Mounting Options
- User-configurable Alarm Light
- LED Indicators
- Seamless Integration into a Facility Monitoring System
- Lightweight Stainless Steel Enclosure
- 2 Year Warranty - Extended Warranties Available
1 - 2 of 2 Part Numbers
1 - 2 of 2 Part Numbers
Specifications
Brand
Number of Channels
- 4
Flow Rate
- 0.1 CFM
- 2.83 LPM
Concentration Limits
- 15,000,000 Particles/ft3 at 10 % coincidence loss
Light Source
- Long life laser diode
Zero Count
- < 1 count / 60 minutes
- < 1 particles /6/ft3
Calibration
- NIST traceable
Vacuum Requirements
- External vacuum > 15” (38.1 cm) of Hg
Airflow
- Internally monitored
Alarm
- User configurable alarm light
Communication Modes
- Modbus RTU or ASCII outputs 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 5.01”
- 9.1 cm x 4.7 cm x 12.7 cm
- Including probes and connectors
Weight
- 1.65 lb
- 0.75 kg
Accessories
- Wiring Connector
- Operating manual on USB flash drive
Optional Accessories
- Power Supply
- Remote Mounting Bracket
- Stainless Steel Barbed Isoprobe - 0.1 CFM/2.83 LPM
- Purge Filter Assembly
- Sample & Vacuum Tubing
Sample Time
- 1 second to 18 hours
Power
- 9 - 24 Vdc
- < 2.5 watts
Operating Conditions
- 41° to 104° F (5° to 40° C) / 20 % to 95 % non-condensing
Storage Conditions
- 32° to 122° F (0° to 50° C) / Up to 98 % non-condensing