Respiratory protection monitoring system in panel form used in fire brigade service, has troop-related notched rotary scale that can be set in 15 positions using gear mechanism for setting legend blocks on control board

摘要

The monitoring system has a troop-related notched rotary scale (G) that can be set in 15 positions by means of a gear mechanism for setting the legend block (D) provided on a control board. Pushbuttons (B,C) are provided for correcting residual pressure. An LED display (A) shows the monitoring time.