xmlns:atom="http://www.w3.org/2005/Atom" xmlns:atom="http://www.w3.org/2005/Atom"
the adaptor housing shall be sealed (see ADA_017),
the housing of the embedded sensor shall be sealed to the adaptor housing, unless it is not possible to remove the sensor from the adaptor housing without breaking the seal(s) of the adaptor housing (see ADA_018),
the adaptor housing shall be sealed to the vehicle,
the connection between the adaptor and the equipment which provides its incoming pulses shall be sealed on both ends (to the extent of what is reasonably possible).