Fluke 985 Particle Counter |
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 |