Jumo India Pvt Ltd offers Contact Pressure Gauges with Indication and Process Connection G 1/2. Jumo India Pvt Ltd is DIN EN ISO 9001 and DIN EN ISO 14001 certified company. Contact Pressure Gauges with Indication and Process Connection G 1/2 acts directly on the Bourdon tube, the free end of which rotates the pointer via a mechanical linkage. It occurs with the movement of the actual-value pointer. In the case of a normally-open function, the rising actual-value pointer takes the contact arm with it, thus closing the circuit when the set point is exceeded. In the case of a normally-closed function, the rising actual-value pointer takes the contact arm with it, thus interrupting the circuit when the set point is exceeded.