FIELD: safety.
SUBSTANCE: invention relates to explosion-proof field devices with detachable covers and technologies of their production. Proposed field device includes a body; a first circuitry assembly mounted on housing and located at least partially within housing; mounting support of first cover having a collar; interfaced limiting structures of fireproof tracks on mounting support of first cover and housing; first threaded connecting ring in place under mounting support of first cover and provides rotation relative to it; and second circuitry assembly attached to mounting support of first cover. First threaded connection ring is engaged with housing and includes structure engaging with flange mounting support of first cover for its attachment to housing. First circuitry assembly includes electric connector for plug-in connection with connector in housing for electric connection of units of first and second circuit.
EFFECT: technical result is prevention of disorder, damage or destruction of sensitive circuits in physical contact with them or associated structures (for example, glass display carrying BIS circuit).
20 cl, 9 dwg
