AST SRZ-CA24 ... % Oxygen Sensor GPR-11-32-4 It also has room for

It also has room for other items such as the optional remote flow restrictor

Methods of Measuring Gas

Replacement oxygen sensor for Analox O2EII

The largest was a guy at 6' 4" weighing 265 pounds

AST-14D   Replacement sensor for Inspiration

AST SRZ-CA24 ... % Oxygen Sensor GPR-11-32-4 It also has room forREPLACEMENT SENSOR FOR . Analytical Industries Model XLT 11 24 % O2 Sensor SRZ CA24 % Oxygen Sensor is designed for measuring oxygen in a gas mixture containing any level of CO2. This sensor is a drop in replacement to Analytical Industries Model XLT 11 24 % oxygen sensor. Proprietary electrolyte formulation offers excellent compatibility with acid gases such as trace levels of H2S and CO2 in any concentration. This sensor is designed, developed and