The VM-3000 mercury vapor monitor measures the concentration of elemental mercury vapor in air and other gases continuously. Used in the laboratory or installed where mercury should be controlled. Industry people use the VM 3000 Mercury Sniffer, as well as university researchers or security people. It is a great tool for many different applications: workplace monitoring, exhaust air monitoring, emissions monitoring in the chemical industry, ground air control of contaminated areas, quality control of hydrogen and other gases, If you need to monitor mercury continuously, this is the right mercury vapor analyzer for you.