The UNIPHOS FUMISENSE is a microprocessor based Dual-Gas monitor with two separate inbuilt pump for Phosphine and Methyl Bromide respectively. This table top portable instrument can be carried from ware house to ware house and to different silos to monitor phosphine or methyl bromide concentration during fumigation. It has the provision to log the data with ware house number, silo number, sample- Location (Top, Middle & Bottom), Gas conc., Gas Name, Date & Time. It is provided with GUI to sort out the data and generate report at the end of fumigation.