FIELD: instrumentation.
SUBSTANCE: invention relates to the field of instrument making, in particular to indicators for external installation on gas filters in order to control the degree of their clogging. Gas filter clogging indicator includes a pressure drop assembly containing a membrane with a slider and a movable bushing, a shaft with a screw groove, a washer, and connected to it a differential pressure display unit installed in the casing, a pointer and a dial, is equipped with an electrical printed circuit board located under the dial, including a magnetically sensitive element and a visual mark for displaying the actual setting of the indicator operation, at that, the board is made with possibility of movement to the installed positions from the specified range, limited by the initial and final positions of the slot located on the dial, indicator is equipped with a connector for connection to a response device.
EFFECT: expansion of functional capabilities of the gas filter clogging indicator, provision of the clogging degree remote control function.
1 cl, 4 dwg
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