A hand-held device having a housing and a processor disposed within said housing, and comprising: 1.1 a port defined in said housing; 1.2 a temperature sensing element having a selectable field of view, FOV, disposed in said port and operable to generate one or more signals in response to the temperature of an object (O) within the FOV, wherein the temperature sensing element includes a plurality of sensors , wherein the temperature sensing element further includes an aperture (166; A) defined at said port and said plurality of sensors are supported on said device offset from said aperture (166; A), wherein said plurality of sensors are arranged to define said selectable FOV through said aperture (166; A) based on operation of selected ones of said plurality of sensors ; 1.3 a camera adjacent said temperature sensing element to generate an image of the object in the FOV defined by all of said plurality of temperature sensors ; 1.4 a display screen ; and 1.5 software executed by the processor operable to convert the one or more signals from said temperature sensing element into a signal on said display screen indicative of the sensed temperature; wherein said software is executed by the processor to operate on said image from the camera to define a frame around a portion of the object in which the temperature is to be sensed; and wherein said software is further executed by the processor to select ones of the plurality of temperature sensors less than all of the plurality of sensors to provide a selected FOV for the temperature sensing element that is less than or equal to the frame, wherein the ones of said plurality of sensors are further selected to be symmetric about the aperture (166; A) to provide a symmetric FOV relative to the aperture (166; A). 1.1 a port defined in said housing; 1.2 a temperature sensing element having a selectable field of view, FOV, disposed in said port and operable to generate one or more signals in response to the temperature of an object (O) within the FOV, wherein the temperature sensing element includes a plurality of sensors , wherein the temperature sensing element further includes an aperture (166; A) defined at said port and said plurality of sensors are supported on said device offset from said aperture (166; A), wherein said plurality of sensors are arranged to define said selectable FOV through said aperture (166; A) based on operation of selected ones of said plurality of sensors ; 1.3 a camera adjacent said temperature sensing element to generate an image of the object in the FOV defined by all of said plurality of temperature sensors ; 1.4 a display screen ; and 1.5 software executed by the processor operable to convert the one or more signals from said temperature sensing element into a signal on said display screen indicative of the sensed temperature; wherein said software is executed by the processor to operate on said image from the camera to define a frame around a portion of the object in which the temperature is to be sensed; and wherein said software is further executed by the processor to select ones of the plurality of temperature sensors less than all of the plurality of sensors to provide a selected FOV for the temperature sensing element that is less than or equal to the frame, wherein the ones of said plurality of sensors are further selected to be symmetric about the aperture (166; A) to provide a symmetric FOV relative to the aperture (166; A). <EOS>