particle counter cem 9880

Specifications: Particle Counter Channel 0.3, 0.5, 1.0, 2.5, 5.0, 10¼ m Flow Rate 0.1ft3( 2.83L/ min) controlled by internal pump Count Modes Totalize, Concentration, Audio Coincidence Loss 5% , 2000000 particles per ft3 IR Temperature Measure IR Temp. Range -20.0º C to 500.0º C/ -4.0º F to 916º F ; Basic Accuracy: ± 1.5% of reading Optical Resolution 8: 1 Distance to Spot size Emissivity Adjustable 0.10~ 1.0 Adjustable Response Time 500mS Air Temperature Measure Air Temp Range 0 to 50º C/ 32 to 122º F; Basic Accuracy: ± 0.5º C/ 1º F Humidity Range 0 to 100% RH; Basic Accuracy: ± 2.5% RH( 20% ~ 80% RH) Dew Point Temp. Range -30~ 100º C/ -22~ 199º F Wet Bulb Temp. Range 0~ 80º C/ 32~ 176º F