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Fluke 985 Particle Counter

Particle counter from Fluke to test and analyze indoor air quality

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Fluke 985 Particle Counter
  • Fluke 985 Particle Counter
  • Take a new look at indoor air quality.

    The Fluke 985 Particle Counter is the preferred choice for HVAC and IAQ professionals. From filter testing to IAQ investigations, the Fluke 985 is the portable solution for determining airborne particle concentrations. Use the Fluke 985 to immediately respond to occupant complaints, or as part of a comprehensive preventive maintenance program.

    With the Fluke 985 you can:

    • Measure filter efficiency
    • Monitor industrial cleanrooms
    • Pre-screen indoor air quality and confidently work with IAQ specialists
    • Locate particle sources for remediation
    • Report the effectiveness of repairs to customers
    • Drive additional business by demonstrating the need for maintenance and repair

    With a large screen, intuitive icons for navigation and on-screen data presentation, the Fluke 985 allows users to run more tests quickly, with less time spent cycling through screens to obtain the data. The Fluke 985 is lightweight and easy to use in any position and with easy data export options using USB cable, memory stick it’s easy to review and analyze the data anywhere and anytime.

  • Assess air quality more easily and accurately.

    • Six channels and particle size range of 0.3 - 10.0 µm: Assures accurate measurements even for critical locations requiring ISO Class 5 – 9 certification
    • Ultra-lightweight and ergonomic design: Promises easy single-hand operation in tight or awkward spaces with less operator fatigue
    • Long battery life: Ten hours of standard-use battery life to last a full work day
    • Large 3.5 QVGC Color display: Easy navigation and viewing with the intuitive icons and large font options
    • 10,000 record storage: Quick access to historical data
    • On-screen data presentation: Data can be viewed in a traditional tabular or trend graph view at the user’s preference
    • Personalized setting and configurations: Customizable settings for the display, sample methods, and alarm settings for sample count
    • Data export options: Download data to a PC using a USB memory stick, USB cable or Ethernet connection. No special software is required to download or view data
    • Option password control: Confirms security when required
    • USB/Ethernet charge cradle: Assures device is always ready to go when needed
  • Measured Specifications
    Channels 0.3 μm, 0.5 μm, 1.0 μm, 2.0 μm, 5.0 μm, 10.0 μm
    Flow rate 0.1 cfm (2.83 L/min)
    Light source 775 nm to 795 nm, 90 mW class 3B laser
    Count modes Raw counts, #/m3, #/ft3, #/liter in Cumulative or Differential mode
    Counting efficiency 50% @ 0.3 μm; 100% for particles > 0.45 μm (per ISO 21501)
    Zero count 1 count / 5 minute (JIS B9921)
    Concentration limits 10% at 4,000,000 particles per ft3 (per ISO 21501)
    Data storage 10,000 records (rotating buffer)
    Alarms Counts, low battery, sensor fail
    Delay time 0 to 24 hours
    Sample inlet Isokinetic probe
    Security Administrator password control (optional)
    Communication mode USB or Etheret
    Dimensions (L x W x D) 27.2 x 9.9 x 5.3 cm (10.7 x 3.9 x 2.1 in)
    Weight 0.68 kg (1.5 lb)
    Power adapter 100 V AC to 240 V AC, 12 V DC, 2.5 A
    Rechargeable battery Li-ion 7.4 V 2600 mAh; 10 hours typical use (5 hours continuous sampling) / 3.5 hours
    Calibration PSL particles in air (NIST traceable)
    Operating environment 50°F to 104°F (10°C to 40°C) / < 95% non-condensing relative humidity
    Storage environment 14°F to 122°F (-10°C to 50°C)/Up to 98% non-condensing relative humidity
    Warranty One-year
    Accessories included Cradle for charging and convenient USB and Ethernet communications, ENET CAT5E 7 foot cable, USB-A to MINI-B 6 foot cable, 12 V dc power supply, zero count inlet- filter, filter adapter, sample inlet protective cap, hard case, getting started manual and users manual CD
    • Models
      Model Name Description  
      Fluke 985 Fluke 985 Particle Counter


      • Getting started manual and users manual CD
      • Cradle for charging and convenient USB and Ethernet Communications
      • ENET CAT5E 7-foot cable
      • USA-A to MINI-B 6-foot cable
      • 12 V DC power supply
      • Zero count inlet-filter
      • Filter adapter
      • Sample inlet protective cap 
      • Hard Case
    • Manuals
      985 用户手册 Download
      985 Users Manual Download
      985 Mode d'emploi Download
      985 Bedienungshandbuch Download
      985 사용자 설명서 Download
      985 Manual do usuário Download
      985 Руководство пользователя Download
      985 Manual de uso Download
      985 User's Manual Supplement Download
      985 CE Declaration of Conformity Download
      985 入门 Download
      985 Getting Started Download
      985 Mise en route Download
      985 Getting Started Download
      985 Getting Started Download
      985 Iniciação Download
      985 Getting Started Download
      985 Puesta en funcionamiento Download
      985 Getting Started Supplement Download
      985 Statement of Memory Volatility Download
    • Application Notes
      Airborn particle counter case history Download
      Growing your business through indoor air quality particulate profiling Download
      IAQ: Can your schools pass the test? Download
      Indoor air quality Download
    • Case Studies
      Case Study: Particle Monitoring During Construction Download
    • Data Sheets
      Fluke 985 Particle Counter Data Sheet Download