Water Analyzer, Liquid and Vapor - L2120-i
With Picarro's Exclusive ChemCorrectTM Organics Correction Technology
Liquid and Vapor Measurement. Highest Precision. Highest Throughput. Easiest to Use δD and δ18O analyzer. Handles Wide Temperature and Humidity Ranges.
One instrument for liquid and vapor measurements; switch modes in seconds
Simultaneous, high-precision δD and δ18O measurements
Highest precision - better than IRMS performance - with A0211 (high-precision) vaporizer
Unparalleled throughput, 750 injections per day with A0212 (fast) vaporizer
Single module: Installed, operational and tested in minutes - requires minimal technical training
The Picarro Isotopic Water Analyzer, L2120-i provides both δ18O and δD stable isotope ratios with high precision in one fast measurement. Researchers can use the L2120-i for either vapor or liquid data sampling and can switch between the two modes in a matter of seconds without recalibrating the analyzer or making configuration changes in the instrument. The L2120-i comes in a new user-friendly, compact single-module system, ideal for deployment in the field or in the lab.
The Picarro Isotopic Water Analyzer is ideal for applications as diverse as climate studies, paleoclimate reconstructions, isotopes in precipitation, ground and surface water tracers, aquifer dynamics, bird migration mapping, analytical hydrology tests, and metabolic activity monitoring, to name just a few. The instrument is configurable with unique vaporization modules for either high-precision or high-throughput experiments. These vaporizer modules convert the liquid water sample to vapor phase in a flash process at high temperature. The vapor is then delivered into the CRDS cavity for analysis. This process avoids any possible fractionation processes that may occur with bottle-based liquid/vapor transitions, such as nebulizers.
In addition, the instrument can be equipped with a high-throughput, high-precision autosampler, capable of making consistent small injections into the vaporizer. The autosampler is controlled by the Picarro software so that complete methods using rinse functions, repeat injections and other useful capabilities are completely integrated and can be controlled via a simple GUI located on the analyzer's onboard PC. The L2120-i can also be equipped with the hardware and software to schedule injections of liquids standards during long term unattended vapor measurement campaigns. All of these powerful capabilities can also be utilized for sampling work executed at multiple intake locations or tower heights. Like all other Picarro analyzers, L2120-i can be operated via the Internet over any Ethernet or wireless connection, allowing researchers to collect data remotely but also to change experiment parameters and monitor instrument processes.
Leveraging Picarro's unique Cavity Ring-Down Spectroscopy (CRDS), the L2120-i is a time-based measurement system that uses a near-infrared laser to quantify spectral features of molecules in a gas passed through an optical measurement cavity. CRDS offers significant performance, ease of use and cost of ownership benefits compared to absorption based technologies. An effective path length of up to 20 kilometers provides exceptional precision and sensitivity. A patented, high-precision wavelength monitor makes certain that only the spectral features of interest are being monitored, virtually eliminating spectral "noise" from interfering species. The onboard wavelength monitor provides fast and precise scanning of absorption lines unique to H216O, H218O, and HD16O, time after time for days, weeks and months.
All Picarro analyzers are equipped with a thermally controlled optical cavity that ensures minimal drift, even in the harshest environments. Precise temperature and pressure control systems designed into the systems ensure accurate measurements over long periods of time. As a result, the analyzer maintains high linearity, precision, and accuracy with minimal calibration required. For researchers, the L2120-i delivers a best-in-class combination of flexibility, speed, high-precision, and ease of use that sets a new standard for water isotope analyzers.
Related Documentation
Water Isotopes, Liquid and Vapor Datasheet
Related Products
Applications
Oceanography
Hydrology
Limnology
Evapotranspiration