Product Spec:
●Item:GT-521 PARTICLE COUNTER
●Flow rate:0.1cfm (2.831/min)
●Sensitivity:0-3,000,000.
●Particle Size Pange:0.3um
●Concentration Range:0.3um~0.5um(selectable in 0.1 micron increments)
●Sample Time:adjustable from 6 to 999 seconds
●Hold Time:Adjustable form 1 to 999 seconds
●Keyboard:7key membrane type
●Interface Display :16 character X4 LINE LCD
●Operating temperature:0-50 degrees celsius
●AC Adapter /Charger: AC to DC module ,100 to 240 VAC to 9VAC at 350 mA typical
●Weight:737g
●Size:165*102*53mm
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