Patent ID: 8755173

Claim:
A digital multimeter, comprising: a display configured to display a measured parameter; a selector configured to select the measured parameter, the selector including— a rotary selector switch, a knob coupled to the rotary selector switch, and a cover molded over the knob, wherein the cover includes a relatively soft material compared to the knob; and at least one push button; at least one jack configured to receive a test lead plug; and a housing assembly including the display, the selector and the jack, wherein the housing assembly includes— a first housing portion; a second housing portion configured to be coupled to the first housing portion; a gasket sealing the first and second housing portions; and a jacket overlying parts of the first housing portion, the second housing portion and the gasket; wherein the housing assembly defines an internal cavity and is configured to (a) absorb impact energy in response to dropping the digital multimeter up to approximately one meter and (b) protect against water and dust ingress into the cavity.