Mass Flow Controlled PUF Air Sampler for VOC & Pesticide Monitoring
The TE-PNY1123 is a high volume air sampler specifically configured for collecting volatile organic compounds and pesticides using polyurethane foam (PUF) sampling media. This system meets the requirements described for sampling using US EPA methods TO-4A, TO-9A, and TO-13A, providing EPA-compliant ambient air quality monitoring for both particle-bound and vapor-phase contaminants.
Dual-Phase Collection Technology
The PUF high volume air sampler collects airborne particulate and vapor contaminants through a sophisticated dual sampling module design. The system incorporates a dual sampling module to collect airborne particulates onto the filter paper media and the vapor elements onto a piece of polyurethane foam in the lower chamber of the sampling module. This configuration captures both phases of semi-volatile organic compounds that partition between gas and particle phases in ambient air.
Mass Flow Control System
The integrated mass flow controller (MFC) automatically maintains the set flow rate by continuously adjusting motor speed based on real-time flow feedback. This active flow regulation compensates for filter loading and environmental conditions throughout the sampling period, ensuring consistent collection efficiency and EPA compliance. The controller responds to changing pressure drops across the sampling media, maintaining stable volumetric flow rates critical for quantitative analysis.
Key Specifications
- Power Requirements: 110V, 60Hz single-phase
- Motor Type: Brush-style motor with proven field reliability
- Flow Control: Mass flow controller (MFC) with automatic speed regulation
- Timer: Mechanical 7-day timer with programmable on/off cycles
- Housing: Anodized aluminum shelter for weather protection
Applications & Regulatory Compliance
These samplers are typically used to collect volatile organic compounds and airborne pesticides in ambient air monitoring programs. Common applications include:
- EPA TO-4A, TO-9A, and TO-13A method compliance
- Pesticide monitoring in agricultural areas
- Industrial emissions assessment
- Source apportionment studies for semi-volatile organics
- Air toxics monitoring programs
Operational Features
These instruments are housed in an anodized aluminum shelter that houses the timer, magnehelic gauge, vacuum motor, elapsed time indicator, flow venturi, and dual sampling module. The mechanical timer provides dependable start/stop control without requiring external power or complex programming. Recognized by its bright yellow timer dial, the 7 day mechanical timer uses a series of on/off trippers to set the sampling schedule.
Brush Style motors use carbon motor brushes to conduct current within the electric motor. They are low cost but require routine motor brush changes, making this configuration ideal for monitoring programs where proven technology and straightforward maintenance are priorities.
- Controller Type
- MFC
- Motor Type
- Brush
- Power Configuration
- 110volt, 60hz
- Sample Type
- PUF
- Timer Type
- Mechanical