Brief introduction: Detector outside air into the attraction, the labyrinth cutter to remove rough particles, covering the external light, into the detector dark room. Darkroom in the parallel light with the light of the vision into rectangular cross (slash) constitute the sensitive area, dust through the sensitive area, the direction of 90 ℃ scattered light through a slit in photomultiplier converts photocurrent, the photocurrent integral circuit converts and scattering light is proportional to the number of pulses per unit time. The number of pulses so records per unit time can be the relative quality of dust concentration. Technical indicators: The detection sensitivity: 1 CPM = 0.01 mg/M33; Can use the flow rate of 3-16 l/min, online measurement. Measuring range: 0.01 ~ 100, 200 mg/M33; Range can be customized to customer. With the function of alarm. Measuring principle, laser light scattering principle, microcomputer touch screen, can detect the diameter > 75 um particles Computer display: digital display, set arbitrary K values. The particle mass concentration can exactly different places. Online direct reading: PM10 and PM2.5, > 10 um particles on the number of particles, respectively, according to show the total dust density at the same time, Output: 485 interface connected to the PC and data acquisition instrument. Measurement accuracy: + / - 10% (relative correction particles), there are regular and continuous measurement function Data: can store 256 sets, equipped with: TSP, PM10 and PM2.5 cutter, and the dust sampling head Interface: microcomputer touch screen, K value and the correction coefficient, direct reading levels. Any setting, Determination of time: standard time for 90 seconds, the user can set arbitrary. The automatic computing density. Power source: 12 v rechargeable batteries, can use continuously for 12 hours, environment temperature: 5 ~ 40 ℃
Brief introduction: Detector outside air into the attraction, the labyrinth cutter to remove rough particles, covering the external light, into the detector dark room. Darkroom in the parallel light with the light of the vision into rectangular cross (slash) constitute the sensitive area, dust through the sensitive area, the direction of 90 ℃ scattered light through a slit in photomultiplier converts photocurrent, the photocurrent integral circuit converts and scattering light is proportional to the number of pulses per unit time. The number of pulses so records per unit time can be the relative quality of dust concentration.
