Fluke 985 Airborne Particle Counter – 6 Channel IAQ & Cleanroom Particle Meter

The Fluke 985 Airborne Particle Counter is designed for HVAC technicians, indoor air quality professionals, facility maintenance teams and cleanroom specialists who need accurate airborne particle measurement in a portable handheld instrument. With six particle size channels from 0.3µm to 10.0µm, the Fluke 985 helps assess indoor air quality, filter performance, cleanroom conditions and particle contamination levels.

Built for professional IAQ investigations and preventive maintenance, the Fluke 985 allows users to quickly measure airborne particle concentrations, identify potential particle sources and verify the effectiveness of repairs or filtration improvements. It is ideal for use in commercial buildings, cleanrooms, hospitals, laboratories, manufacturing facilities and HVAC service environments.

The large 3.5" colour display, intuitive icons and on-screen trend or table views make data easy to review in the field. With 10,000 record storage, USB/Ethernet data export, password control and a USB/Ethernet charging cradle, the Fluke 985 provides practical data handling for reporting, documentation and long-term air quality monitoring.

Set Includes

• 1 x Fluke 985 Airborne Particle Counter

• 1 x Cradle for charging, USB communication and Ethernet communication

• 1 x USB-A to Mini-B 6ft cable

• 1 x 12V DC power supply

• 1 x Zero count inlet filter

• 1 x Filter adapter

• 1 x Sample inlet protective cap

• 1 x Hard case

Key Features

• Professional airborne particle counter for HVAC, IAQ and cleanroom applications

• Six particle size channels: 0.3µm, 0.5µm, 1.0µm, 2.0µm, 5.0µm and 10.0µm

• Particle size range supports critical locations requiring ISO Class 5 to ISO Class 9 assessment

• Measures airborne particle concentrations for indoor air quality investigations

• Useful for checking HVAC filter performance and filtration effectiveness

• Helps locate particle sources for remediation and maintenance planning

• 0.1cfm / 2.83L/min flow rate for reliable particle sampling

• Large 3.5" QVGC colour display with intuitive icons and large font options

• On-screen data can be viewed in table or trend graph format

• Stores up to 10,000 records for historical data review

• Data export via USB memory stick, USB cable or Ethernet connection

• Customisable display, sampling methods and alarm settings

• Alarm options for counts, low battery and sensor failure

• Optional password control for added security

• USB/Ethernet charge cradle keeps the unit ready for use

• Rechargeable lithium-ion battery provides up to 10 hours typical use

• Lightweight ergonomic design supports single-hand operation

• Supplied with hard case and accessories for professional field use

• One-year warranty

Specifications

• Brand: Fluke

• Product Number: FLU985

• Model: Fluke 985

• Fluke Part Number: 4131397

• Product Name: Fluke 985 Particle Counter

• Tool Type: Airborne Particle Counter / Indoor Air Quality Meter

• Particle Size Channels: 0.3µm, 0.5µm, 1.0µm, 2.0µm, 5.0µm and 10.0µm

• Flow Rate: 0.1cfm / 2.83L/min

• Light Source: 775nm to 795nm, 90mW Class 3B laser

• Count Modes: Raw counts, particles per m³, particles per ft³ and particles per litre

• Counting Modes: Cumulative or differential

• Counting Efficiency: 50% at 0.3µm and 100% for particles greater than 0.45µm, per ISO 21501

• Zero Count: 1 count per 5 minutes, per JIS B9921

• Concentration Limit: 10% at 4,000,000 particles per ft³, per ISO 21501

• Data Storage: 10,000 records, rotating buffer

• Alarms: Counts, low battery and sensor fail

• Delay Time: 0 to 24 hours

• Sample Inlet: Isokinetic probe

• Security: Optional administrator password control

• Communication Mode: USB or Ethernet

• Display: Large 3.5" QVGC colour display

• Power Adapter: 100V AC to 240V AC input, 12V DC, 2.5A output

• Battery Type: Rechargeable lithium-ion battery, 7.4V 2600mAh

• Battery Life: Up to 10 hours typical use or 5 hours continuous sampling

• Battery Charge Time: Approximately 3.5 hours

• Calibration: PSL particles in air, NIST traceable

• Operating Environment: 10°C to 40°C, less than 95% non-condensing relative humidity

• Storage Environment: -10°C to 50°C, up to 98% non-condensing relative humidity

• Dimensions: 272 x 99 x 53mm

• Weight: 0.68kg

• Warranty: One year

• UPC / Barcode: 095969620321

• Unit of Measure: Each

• Application: Airborne particle counting, indoor air quality testing, cleanroom monitoring, HVAC filter testing, particle source investigation and preventive maintenance

Ideal For

• HVAC technicians

• Indoor air quality professionals

• Cleanroom technicians

• Facility maintenance teams

• Industrial hygienists

• Laboratory and healthcare facility maintenance

• Filter testing and HVAC system verification

• Cleanroom particle monitoring

• IAQ investigations and occupant complaint response

• Preventive maintenance programs

• Commercial buildings, hospitals, laboratories, manufacturing areas and controlled environments

• Service vehicles, commissioning kits and environmental inspection equipment

Professional Airborne Particle Counter for IAQ and Cleanroom Monitoring

The Fluke 985 Airborne Particle Counter is built for professionals who need accurate and portable particle measurement for indoor air quality testing, HVAC filter verification and cleanroom monitoring. With six particle channels, 10,000 record storage, trend graph viewing and flexible data export, it helps technicians measure, document and report airborne particle conditions more effectively.

For HVAC, IAQ, facility maintenance and cleanroom applications, the Fluke 985 delivers trusted Fluke performance, portable operation and practical field reporting features for professional air quality and particle contamination assessment.