Features of Handheld Airborne Particle Counter Fluke 985: Features six channels with a particle size range of 0.3 μm to 10 μm for comprehensive airborne particle monitoring. Ultra-lightweight and ergonomic design allows easy single-hand operation. Offers up to ten hours of standard-use battery life, lasting a full workday. Large 3.5-inch QVGC color display with backlight, intuitive icons, and large fonts ensures easy navigation and viewing. Stores 10,000 records on the device for easy access to historical data. Data can be viewed in traditional tabular format or trend graphs according to user preference. Configurable display, sampling methods, and alarm settings allow customization of sample size count (raw count, per cubic feet, cubic meter, or liter). Data export is possible via USB memory stick or direct PC connection, with Excel-compatible files requiring no special software. Ethernet-enabled for accessing data via internet browsers such as Windows Explorer, Safari, and Firefox. USB/Ethernet charge cradle ensures the unit is always ready for use. Optional administrator password control adds an extra layer of security. Complies with ISO 21501, JIS B9921, and CE standards for international quality and safety.