Our Multisensor make MS1800 is a VOC / Hydrocarbon Concentration Analyzer designed for measuring gasses in drains and outflows from industrial facilities. The instrument senses gases or volatiles providing a measurement system with very low maintenance requirements. Taking a measurement every 2 seconds, the MS1800 is accurate from less than 1 ppm to 1,000 ppm concentrations, dependent upon the target gas, and its wide dynamic range allows it to be used in a wide variety of environments.