Control and signaling equipment is designed to monitor the health of the oxygen supply system and its elements. This equipment includes pressure gauges of high and low pressure in oxygen pipelines, oxygen pressure gauges in the mask (helm), indicators (indicators) of oxygen supply to the human respiratory tract.
Oxygen indicator IK-18N. It is designed to control the supply of oxygen to the human respiratory tract through an oxygen device and to measure the oxygen pressure in the main line. {164}
The IK-18N indicator consists of two independent instruments: a manometer and an oxygen indicator, working independently of each other. Control over the supply of oxygen to the human respiratory tract is carried out by the movement of the indicator flags, and the oxygen pressure in the main line is indicated by the arrows of the manometer.
In the upper part of the instrument case there is an oxygen manometer with a range of measurement from 0 to 150 at (the scale division is 10 atm). The maximum value of the scale of the manometer is 165 at.