... rate);2. Six particle-size channels (0.3, 0.5, 1.0, 2.0, 3.0, 5.0µm); 3. 320 x 240 pixels ... ;9. Lightweight (0.6kg) .Parameters:Channel 6 channels (0.3, 0.5, 1.0, 2.0, 3.0, 5.0µm)Flow rate 0.1cu.ft./min ... per 5 min.Counting efficiency 50% at 0.3µm, 100% at 0.5¦ÌmCommunication modes RS232 via DB9Communications protocol 9 ... H x D) 23 x 13 x 4.5cmWeight 0.6kgPower AC adapter 100-240V AC, 50/60HzBatteries 3 ...