- Older Picarro 1102-i cavity-ring down water vapour analyser with PAL
- Picarro 2130-i cavity- ring down water isotope analyser
- Aerodyne dual quantum-cascade water and CO2 isotopic analyser
These are our three laser isotope analysers. The Picarro 1102-i is our oldest laser and continues to give good service. Like the other Picarro it analyses water vapour in air or nitrogen, but can also accept injected liquid samples. The 2130-i is used only for vapour and at the moment is connected in parallel with the Aerodyne machine. These two instruments form the heart of our gas exchange isotope system.