The particle counter is an essential tool in the facility maintenance, HVAC and IAQ professional's toolbox. From filter testing to indoor air quality investigations, the particle counter equips the user with valuable data concerning the concentration and source of particulates in the tested environment.
The new Fluke 985 Particle Counter is ideal for troubleshooting and monitoring indoor air quality issues and verifying HVAC filter performance and critical locations for ISO Class 5–9 certification.
With the ultra-light weight ergonomic design, easy to view color screen with intuitive icons, on-screen trend graphs for easy and quick analysis, the Fluke 985 is a must for any maintenance, HVAC and IAQ professional.
Fluke 985 Features
- Six channels and a particle size range of 0.3 μm to 10 μm
- Ultra-lightweight and ergonomic design for easy single-hand operation
- Ten hours of standard-use battery life to last a full work day
- Large 3.5 inch QVGC color display with backlight, intuitive icons, and large font options make for easy navigation and viewing
- 10,000 records stored in device for easy access to historical data
- Data can be viewed in traditional tabular or trend graph at the user's preference
- Configurable display, sample methods, and alarm setting for sample size count (raw count, per cubic feet, cubic meter, or liter)
- Data export to USB memory stick or direct connection to PC via USB cable. No special software required to view Excel compatible files
- Ethernet enabled for accessing data via internet browser (Windows Explorer, Safari, and Firefox
- USB/Ethernet charge cradle ensures the unit always ready for use
- Administrator password control (optional) for added security
- Meets ISO 21501-4, JIS B9921, and CE standards
Fluke 985 Specs
| Six size 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, 90mW 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 |
User selected particle channels and limits |
| Display |
QVGA color with backlight |
| Delay time |
0 to 24 hours |
| Sample inlet |
Isokinetic probe |
| Security |
Administrator password controlled (optional) |
| Communication mode |
USB or Ethernet |
| Dimensions (L x W x D) |
27.2 cm x 9.9 cm x 5.3 cm (10.7 in x 3.9 in 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 |
| Battery duration/charge time |
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 |