Pacific Scientific Met One 3313-.3-1-AL Portable Air Particle Counter (6767

Pacific Scientific Met One 3313-.3-1-AL Particle Counter 2083993-01 USED (6767)W In good cosmetic condition. Powers on, buttons and screen responds well to input.  Cycle runs and indicates "passes," prints data.  Sensor responds. No further testing done.  See pictures for more detail. May need to be calibrated. Manufacturer: Pacific Scientific, Meyco Model #/ Model: Met One 3313-.3.-1-AL | 2083993-01, 085A RH/T Sensor 2080245-1 MFG Date: December 1999 calibrated by Beckman Coulter through March 2019 Includes: Met One 3313 Power Cabe Isokinetic Probe Meyco 085A RH/T Sensor 2080245-1 Application and Maintenance Information Manual Specifications: (These specifications were taken from an online user manual and may not be accurate to this product) Flow Rate: 1.0 CFM (28.3 LPM) Size: 0.3 uM Zero Count: 1 count or less in 5 min Coincidence Loss: Less than 5% at 400,000 particles/ft3 Counting Efficiency: 50% for 0.3 um (3313); 50% for 0.5 um (3315) Light Source: Laser Diode (10-year MTTF)