The EMP-3 Portable Mercury Survey Monitor is ideal for occupational monitoring of hazardous areas. Compact, reliable, light-weight & real-time measurements makes the EMP-2 ideal for a variety of applications. Has a built-in interference check protocol to confirm any false positive interferences. Large colour LCD screen and data exported to a standard SD card. Suitable for LPG/Tedlar bag analysis & waters by an external manual vapourisation attachment.