Model Dimension of working room Overall dimension Power Lrhs-512-ps 800*800*800mm 1280*1260*1770mm 2.5kw Lrhs-800-ps 800*1000*1000mm 1280*1460*1970mm 2.5kw Lrhs-1000-ps 1000*1000*1000mm 1480*1460*1970mm 2.5kw Lrhs-1500-ps 1000*1500*1000mm 1540*1960*2100mm 2.5kw Time setting range:1~999h adjustable Air speed:not exceed 2m/s Lowing dust method:continous, period blowing dust time setting is optional Sand and dust concentration:2~4kg/m3 Test dust:dry talcum powder, silicate cement, smoke ash, etc. Dust heat:use stainless steel mica heating coil constant control to prevent dust adhesion Vibration time:1~99h59m59s Power supply requirement:ac380v±10%50±0.5hz