Physical quantity measuring device

A physical quantity measuring device comprising:

• an outer case comprising a bottom and a cylindrical body provided to a peripheral portion of the bottom;
• an inner case that is made of a synthetic resin and is provided inside the outer case;
• a detector that is provided to the bottom and configured to detect a physical quantity;
• a terminal base comprising a terminal configured to transmit a signal from the detector to an outside;
• a cover configured to cover an opening of the outer case and having a different hardness from that of the inner case;
• a cable having a first end connected to the terminal and a second end;
• and
• a cylindrical cable drawing portion drawing out the second end of the cable and projecting from a circumferential surface of the outer case,
• the inner case comprising:
• a case threaded portion;
• and a terminal base setting portion on which the terminal base is set,
• the detector comprising:
• a bottom connector connected to the bottom;
• and a joint attachable to an attachment target, and
• the cover comprising:
• a cover body configured to cover the terminal base setting portion;
• and a cover threaded portion provided to the cover body and configured to be screwed with the case threaded portion.