Wednesday, 03 April 2013 09:45

APM 550 mini

Ambient Air enters the APM 550 MINI sampler through an omni-directional inlet designed to provide a clear aerodynamic cut-point for particles larger than 10 microns. The air stream then passes through a WINS Impactor that retains the fraction between PM10 and PM2.5. The PM10 and PM2.5 impactors used in the APM 550 MINI are based on designs standardized by USEPA and as such the system complies with international norms for PM 2.5 Samplers. The sampling rate is held constant at 1 m3/hr by a critical orifice.

A special light weight oil free pump has been used in the instrument and adequate cooling air draft has been provided to ensure that the operating temperature near the filter holder remains close to ambient temperature. Sampling rate is continuously displayed on a built-in rotameter while the duration of sample is available through a Time Totalizer.

Special features:

  • PM10 and PM2.5 Impactors of sampler based on designs standardized by US EPA
  • Brushless, Oil-free, light weight pump practically requires no maintenance
  • Filter holder designed for any 47mm diameter filter media
  • Critical Orifice maintains constant sampling rate of 1 m3/hour
  • Provision to attach gaseous sampler
  • Compact cabinet design for easy portability
  • Size Selective inlets: Omni-directional air inlet with PM 10 separation through an impactor followed by PM 2.5 separation through a WINS Impactor
  • Flow Rate: Constant sampling rate of 1 m3/hr maintained by critical orifice system and displayed on a rotameter requires no maintenance
  • Vacuum Pump: Oil Free, light weight pump driven by brushless induction motor
  • Power requirement: Nominal 220 V, Single Phase, 50Hz AC mains supply. For proper operation and safety a good earth connection is mandatory
  • Size & Weight: Compact & Light: Single unit compact cabinet made of Aluminum is light and robust
  • Warranty: One year
  • Time totalizer: Records the actual time duration of each sample
  • Provision to attach Gaseous Sampler: In-built valve and piping for use of a gaseous sampling attachment for monitoring SO2, NOx, NH3, Ozone etc
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