Trace-Level Air Sampling

The Thermal Desorber Sampling System boosts HAPSITE ER sensitivity for trace‑level VOCs by collecting air on pre‑conditioned desorption tubes and thermally releasing targets for GC/MS or MS‑only survey analysis. A compact, intrinsically safe pump collects samples in remote or potentially explosive environments; an optional person‑portable pump enables extended breathing‑zone monitoring.

Why teams choose the Thermal Desorber Sampling System

• Go anywhere: small pump with 20–225 mL per minute programmable flow, intrinsically safe.
• Flexible analysis: TD Survey can bypass the GC for rapid MS‑only identification.
• Quantitative methods supplied for ER.

Key specifications

• Tubes: 6.35 mm O.D. × 89 mm glass, fritted; Tenax® and carbon adsorbents (single or multi‑bed).
• Typical sampling flow: 10–200 mL per minute (tube); pump set‑point: 20–225 mL per minute.

Typical applications

Trace VOC sweeps across multiple locations, breathing‑zone checks, and rapid “screen‑then‑confirm” workflows at incident scenes.