Dust particle counter

Dust particle counter W298702 diameter of the particle tested: 0.3,0.5,5.0 μm Light Source: Laser diode Flow: 0.1cfm (2.83L/min) Sampling time: 1sec ~ 99min59sec Sampling Frequency: 1-99 times or continuous Alarm count: 1 ~ 70,000,000 counts in the framework of Test mode: Single / Repeat / Continuous / Calculation / Remote / GBMODEL (FS-209E) Display: English interface: 20-character, 4 line LCD error instructions: super maximum count, the attenuation of laser power, ultra-flow calibration (± 5%), low battery Interface: RS-232C or RS-485 (choose in the menu), RJ-11 connected to the N.BRS-485 used for cascade connection Communication rate: 9600bps Cache: 10000 data (set to the calculation mode,2 data of a test)

Power: 4 of 5th battery, Ni-MH battery (4.8v-1.6Ah) or AC Adapter (input 100 ~ 240V), the battery should use a dedicated rechargeable battery charger attached Battery life: continuous testing time of about 3 hours (Ni-MH batteries)

Dimensions: 108 (W) × 68 (D) × 196 (H) mm

Weight: About 680g (without batteries) Ambient temperature: 10 ~ 35