Platform thermal desorber for single tagged or untagged tubes (3.5-inch or 4.5-inch). UNITY 2 is a cryogen-free two-stage desorber for single sorbent tubes (pumped or diffusive) and features (SecureTD-Q) quantitative re-collection for repeat analysis.

ULTRA 2 adds to Markes UNITY 2 TD platform to provide automatic desorption of up to 100 industry standard (3.5-inch) or DAAMS (4.5-inch) tubes with or without RFID tags. ULTRA 2 units also have a tag read/write facility.

Used for semi-continuous on-line monitoring of up to 8 whole air/gas streams, canisters or Tedlar bags.

Robust routine analysis of VOCs and odorants in water down to ppt levels.