Nauticam Vacuum Check System

Phil Rudin · Issue 76, Jan/Feb 2014 · pp. 46–48

Products mentioned: Nauticam vacuum check system, Nauticam NA-70D housing, Nauticam NA-EM1 housing, CR2450 battery, Nauticam vacuum valve, Nauticam vacuum pump

by the 3 volt CR2450 battery. This is a common battery that is easily located in most areas of the world. The electronic monitoring circuitry is built into the rear half of the Nauticam housing and connected to the LED warning light on the outside rear of the housing. When the housing is open or at an ambient pressure and the on/off switch is in the on position the LED will slowly blink with a blue light. When a vacuum is achieved the LED will change to a solid green which indicates the system is sealed and ready to dive. If you have not properly assembled the housing system for any reason the vacuum will be lost and the LED will start to flash yellow. This is the first indication that a problem exists and that the housing should not go into the water until the problem has been resolved. This is the point at which any pilot error can be resolved by simply reassembling the system while lo…