Looking for a mercury analyzer that is reliable and simple to operate yet expandable and upgradeable? The HG-400 from HIRANUMA offers the Total Solution - the features you asked for at a price you can afford. The HG-400 performs cold vapor atomic absorption spectrometry complying with EPA 245.1-7 that is great solution for strict environmental analysis. Features HIGH SENSITIVITY! Detection limit: 0.5 ppt (based on 5mL as testing size). Optical system and flow channel have been optimized. USER-FRIENDLINESS TOUCH PANEL! Equipped with 7.5" color LCD touch sensitive panel. SMALL FOOTPRINT DESIGN! The down sized system includes built-in thermal printer saves valuable bench space. BRILLIANT DATA HANDLING! Approximately 60 data are conservable into USB flash memory device.