Patent ID: 8168121

Claim:
A handheld portable monitor for periodic well field testing of landfill wells and for measuring one or more properties of fluid flowing in the landfill wells, said handheld portable monitor including a connector that enables at least a portion of said handheld portable monitor to be removably connected to the landfill well, said handheld portable monitor including a sensor arrangement to obtain and measure one or more properties of a fluid flowing in the landfill well, said handheld portable monitor including a heating element to heat one or more components of said sensor arrangement of said handheld portable monitor, said properties of said fluid flowing in the landfill well including a property selected from the group consisting of well pressure and well fluid composition, said handheld portable monitor includes a handheld portable control unit and a separate handheld portable measuring unit, said handheld portable control unit monitors and controls one or more functions of said handheld portable measuring unit, said sensor arrangement of said handheld portable monitor is at least partially positioned in said handheld portable measuring unit, said sensor arrangement in said handheld portable measuring unit including one or more pressure sensors, a fluid coupling device, and one or more chemical analyzers, said fluid coupling device enables fluid flow from the landfill well to said one or more chemical analyzers, said one or more pressure sensors, or combinations thereof, said handheld portable measuring unit is able to simultaneously detect three or more pressures from the landfill well by said one or more pressure sensors, said pressures including an applied vacuum on said landfill well, a differential vacuum on said landfill well, and an available vacuum, said handheld portable measuring unit including three of said pressure sensors.