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Met One R4805 Remote Airborne Particle Counter

SKU: CP102047
Model: R4805
Product Condition: Certified Pre-owned
$49.00

The Met One R4805 is a stainless steel remote airborne particle counter designed for continuous cleanroom monitoring. It measures 0.5 µm and 5.0 µm particles at 0.1 CFM using RS-485 serial communication and a long-life laser diode for low-maintenance operation.

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Estimated delivery: 3 days
One year warranty
Free return within 30 days of purchase.
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Product Description

Met One R4805 Remote Airborne Particle Counter

The Met One R4805 is a compact, remote particle counter engineered for continuous airborne particle monitoring in controlled environments. It operates at a fixed 0.1 CFM flow rate and is designed for permanent installation within cleanrooms and mini-environments.

Particle Measurement Capabilities

  • Detects particles at 0.5 µm and 5.0 µm size channels
  • Designed for continuous, unattended monitoring
  • Critical orifice flow control requiring external vacuum

System Integration and Communication

The R4805 uses standard RS-485 serial communications and responds to simple ASCII commands, supporting long-distance instrument-to-instrument wiring and integration into facility monitoring systems.

Typical Applications

  • Cleanroom environmental monitoring
  • Mini-environment and process tool monitoring
  • Inert gas sampling applications
Specifications
Specifications
MPN R4805
Product Condition Certified Pre-owned
Shipping Length (in.) 8
Shipping Width (In.) 6
Shipping Height (In.) 6
Condition Type Certified Pre-Owned
Item Returns This item can be returned
Technical Specifications (HTML table)
Minimum Threshold0.5 µm
Size Channels0.5 µm, 5.0 µm
Flow Rate0.1 CFM (2.83 LPM)
Flow ControlCritical orifice; requires 18 in Hg vacuum (minimum 450 mbar)
Light SourceLaser diode (10-year MTTF)
CommunicationRS-485 serial
Power Requirement6 VDC (±10%), <125 mA
Alarm OutputOpen collector FET, 150 mA max
ConnectorDB-15 (female)
EnclosureStainless steel, VHP resistant
Operating Temperature12 to 41 °C (55 to 105 °F)
Operating Humidity20 to 95% RH, non-condensing
Weight0.3 kg (10.7 oz)
What's in the box?
  • Met One R4805 Remote Airborne Particle Counter
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