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© 2024 Fluke Corporation
Specifications subject to change without notice.

You can depend on Fluke tools to keep your world up and running.

Fluke® tools perform like champions in the most challenging utility-scale mining  environments. You can depend on Fluke tools to keep your world up and running.

Particle Counter

Fluke 985

Particle Counter

Mine operations involving mineral extraction and vehicle exhausts inherently generate airborne particles. It’s critical to regularly test for air contamination, particularly in enclosed spaces, to minimise health impacts and protect equipment from breakdowns.

The Fluke 985 Particle Counter is the ideal portable solution to quickly determine airborne particle contamination levels.

  • Six channels and particle size range of 0.3 - 10.0 µm assures accurate measurements even for critical locations requiring ISO Class 5 – 9 certifications

  • On-screen data presentation allows data to be viewed in a traditional tabular or trend graph view at the user’s preference

  • Long battery life: Ten hours of standard-use battery life to last a full workday 

Download Datasheet
Download Datasheet
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
Weight
0.68 kg
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
10°C to 40°C/ < 95% non-condensing relative humidity
Storage environment
-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
Particle Counter

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