The Model 4200/4300 is a transportable GC that was designed to speciate and quantify organic compounds from C-4 to C-24 in 10 seconds or less.  The Model 4200 is available with either a DB-624 or a DB-5 column.  The SAW detector utilizes an uncoated quartz crystal for maximum sensitivity and minimal recovery times.

Employing a trap and helium carrier gas, the Model 4200/4300 injects samples into a heated column where separation is achieved.  Materials sequentially exit the column and are deposited on the SAW detector.  This deposition results in a change in the oscillating frequency of the resonator directly proportional to the mass.

The Model 4200 zNose is the only portable real time analyzer on the market that can detect and analyze all types of vapors and identify traces of organic, biological & chemical compounds quickly and accurately. It is also the only electronic nose technology to receive validation from both the US EPA and the White House Office of National Drug Control Policy. It has been chosen by NASA for their Space Laboratory to assist in the search for life on other planets and by the US Homeland Security Task Force as a major tool in fighting against world terrorism and crime.