Description
The Fluke 985 is a handheld airborne particle counter that sorts particles into six size channels between 0.3 µm and 10 µm. Facility engineers, cleanroom technicians and indoor air quality specialists use it to verify filtration performance, locate contamination sources and document air cleanliness. Results can be displayed as raw counts or concentrations per cubic foot, cubic meter or liter, viewed as a table or trend graph, and exported for reporting without dedicated software.
Key features
- Six simultaneous size channels from 0.3 µm to 10 µm
- Lightweight body designed for one-hand operation
- 3.5 inch backlit color display with selectable large fonts
- Internal memory for 10,000 sample records
- USB and Ethernet data access through the charging cradle, with browser-based viewing
- Configurable sample modes, units and count alarms, with optional administrator password
Typical applications
- Cleanroom monitoring and troubleshooting
- HVAC filter and duct performance checks
- Indoor air quality surveys in offices and hospitals
- Contamination tracing in production areas
Specifications
| Brand | Fluke |
|---|---|
| Model | 985 |
| Product type | Airborne particle counter |
| Channels | 6 |
| Particle size range | 0.3 µm to 10 µm |
| Flow rate | 0.1 CFM (2.83 L/min) |
| Data storage | 10,000 records |
| Display | 3.5 in color LCD, backlit |
| Battery life | About 10 hours typical use |
| Interfaces | USB, Ethernet (via cradle) |
| Standards | ISO 21501, JIS B9921, CE |
What’s included
- Charging cradle with USB and Ethernet communication
- Ethernet cable
- USB cable
- 12 V dc power supply
- Zero count inlet filter
- Filter adapter
- Sample inlet protective cap
- Hard case
- Getting started guide and user manual CD





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