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