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Take a new look at indoor air quality with the Fluke 985 Particle Counter
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Personal Greeting

Product overview: 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.

Key features

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

Specifications: Fluke 985 Particle Counter

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

Fluke 985 Particle Counter

Includes:

  • 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