Fluke 985 Particle Counter The particle counter is an essential tool in the facility maintenance, HVAC and IAQ (indoor air quality) 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 59 certification. With the ultra-light weight ergonomic design, easy to view colour 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 . Six channels and a particle size range of 0.3 m to 10 m. Ultra-lightweight and ergonomic design for easy single-handed operation. Ten hours battery life (Li-ion 7.4V 2600mAh) to last a full work day. Large 3.5 inch QVGC colour display with backlight, intuitive icons, large font options make for easy navigation and viewing. 10,000 records stored in device for easy access to historical data. On screen data presentation. Data can be viewed in traditional tabular or trend graph at the users preference. Configurable display, sample methods, alarm setting for sample size count (raw count, per cubic feet, cubic meter, or litre). Personalized setting and configurations. 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 securityStandards ISO 21501, JIS B9921, CE