An injector, comprising: a syringe filled with a volume of a medicament; a dispensing mechanism configured to dispense the medicament; a ready-to-use indicator comprising: at least one of an audio or a visual indicator; a controller configured to interact with the at least one of the audio or visual indicator; a temperature sensor (107, 401); and a temperature analog comprising a mass located within a temperature analog compartment within the injector, wherein the temperature analog and the temperature analog compartment collectively have similar thermodynamic properties to represent a dynamic temperature of the volume of the medicament; wherein the temperature sensor (107, 401) is configured to detect a dynamic temperature of the temperature analog as the injector is heated or cooled; wherein the temperature sensor (107, 401) is configured to communicate the dynamic temperature to the controller and to alert the controller when a preset temperature is reached; wherein the ready-to-use indicator is configured to alert a user when the preset temperature is reached, signifying the medicament is thermally ready to be delivered by the dispensing mechanism; and wherein the ready-to-use indicator is configured to alert the user when the preset temperature is reached by indicating one or more notifications to the user with the at least one of the audio or visual indicator. a syringe filled with a volume of a medicament; a dispensing mechanism configured to dispense the medicament; a ready-to-use indicator comprising: at least one of an audio or a visual indicator; a controller configured to interact with the at least one of the audio or visual indicator; a temperature sensor (107, 401); and a temperature analog comprising a mass located within a temperature analog compartment within the injector, wherein the temperature analog and the temperature analog compartment collectively have similar thermodynamic properties to represent a dynamic temperature of the volume of the medicament; wherein the temperature sensor (107, 401) is configured to detect a dynamic temperature of the temperature analog as the injector is heated or cooled; wherein the temperature sensor (107, 401) is configured to communicate the dynamic temperature to the controller and to alert the controller when a preset temperature is reached; wherein the ready-to-use indicator is configured to alert a user when the preset temperature is reached, signifying the medicament is thermally ready to be delivered by the dispensing mechanism; and wherein the ready-to-use indicator is configured to alert the user when the preset temperature is reached by indicating one or more notifications to the user with the at least one of the audio or visual indicator. at least one of an audio or a visual indicator; a controller configured to interact with the at least one of the audio or visual indicator; a temperature sensor (107, 401); and a temperature analog comprising a mass located within a temperature analog compartment within the injector, wherein the temperature analog and the temperature analog compartment collectively have similar thermodynamic properties to represent a dynamic temperature of the volume of the medicament; wherein the temperature sensor (107, 401) is configured to detect a dynamic temperature of the temperature analog as the injector is heated or cooled; wherein the temperature sensor (107, 401) is configured to communicate the dynamic temperature to the controller and to alert the controller when a preset temperature is reached; wherein the ready-to-use indicator is configured to alert a user when the preset temperature is reached, signifying the medicament is thermally ready to be delivered by the dispensing mechanism; and wherein the ready-to-use indicator is configured to alert the user when the preset temperature is reached by indicating one or more notifications to the user with the at least one of the audio or visual indicator.