To provide a connector with which a terminal can be easily connected to a substrate without soldering. Analyte vapor is adsorbed during a first phase when substantially no gas is admitted to the reaction region. A second register module stores a second digitized instance of the analog signal. The projection of the tapered shell has a spiral or linear shape. Numerous other aspects are provided. The hinge receiving portion further includes a hinge receiving surface that extends from a vicinity of the engagement opening.