Wing hinge for a field device housing and field device housing with wing hinge

A wing hinge for a field device housing, the hinge comprising:

• a first wing including a first holding device and a second holding device, the first holding device configured to connect to a housing body of the field device housing and to enable movement of the first wing about a first axis of the field device housing;
• a second wing including a third holding device and a fourth holding device, the third holding device configured to connect to the second holding device and to enable movement of the second wing relative to the first wing about a second axis different from the first axis,
• wherein the fourth holding device is configured to be connectable to a housing cover of the field device housing and to enable movement of the housing cover of the field device housing relative to the second wing about a third axis different from the first axis and from the second axis;
• and
• a tensioning element in contact with the first wing and the second wing and configured to move the first wing relative to the second wing about the second axis from a first position into a second position,
• wherein the first wing or the second wing includes a first partial element and a second partial element complementary to the first partial element,
• wherein the first partial element and the second partial element are configured such that the first partial element and the second partial element are connectable to one another by a connecting device, such that the first partial element and the second partial element are immovable relative to one another,
• wherein the first partial element and the second partial element are configured such that the second holding device of the first wing can engage the third holding device of the second wing when the first partial element is connected to the second partial element.