The Fluke 985 Airborne Particle Counter User Manual provides safety instructions, operation steps, data export methods, and technical specifications.
The Fluke 985 Airborne Particle Counter is a portable tool for measuring and reporting airborne particle contamination. It can store up to 10,000 samples, recording date, time, count and sample volume for each measurement.
The manual covers safety warnings, battery handling, product overview, button functions, connections, operation procedures, power on/off, data export via USB, Ethernet or flash drive, and detailed technical specifications. Maintenance and warranty information are also included. This manual is written in Chinese.
| Particle size range | 0.3, 0.5, 1.0, 2.0, 5.0, 10.0 µm |
|---|---|
| Flow rate | 0.1 cfm (2.83 L/min) |
| Light source | 775‑795 nm, 90 mW 3B class laser |
| Counting efficiency | 0.3 µm 50 %; >0.45 µm 100 % (ISO 21501) |
| Zero‑count level | 1 count per 5 min (JIS B9921) |
| Concentration limit | 10 % at 4 000 000 /ft³ (ISO 21501) |
| Data storage capacity | 10 000 records (circular buffer) |
| Physical dimensions | 27.2 × 9.9 × 5.3 cm (10.7 × 3.9 × 2.1 in) |
| Weight | 680.3 g (1.5 lb) |
| IP rating | IP40 |
| Operating humidity | < 95 % RH |
| Operating temperature | 10 °C – 40 °C (50 °F – 104 °F) |
| Power supply | AC adapter 100‑240 Vac, 12 V dc, 2.5 A |
| Battery type | Li‑ion, 7.4 V, 2600 mAh |
| Battery charge time | 3.5 h |
| Battery life (continuous) | 5 h continuous sampling, 10 h normal use |
It can store up to 10,000 samples.
Data can be exported via a USB cable, an Ethernet cable, or a USB flash drive.
Do not look directly at the laser, do not use optical tools to view it, and avoid exposing eyes to the beam.