Patent ID: 7746240

Claim:
A sensing device for detecting the presence of carbon monoxide in a selected space of concern, comprising (a) a detection device configured to sense the presence of carbon monoxide in the selected space of concern, (b) a monitoring device remote from the detection device, for communicating information to an operator, and (c) the detector in circuit communication with the monitoring device, to transmit information from the detection device to the monitoring device that is related to carbon monoxide in the selected space, wherein the monitoring device comprises a multifunctional display that is configured to display information about the level of carbon monoxide detected by the detection device in a plurality of display formats, the multifunctional display configured to enable a reset/retest of the level of carbon monoxide in the space of concern to be selectively initiated from the multifunctional display to retest and redisplay information about the level of carbon monoxide detected by the detection device in the plurality of display formats.