Each sensor is supplied together with: 
- 1 bottle CO2-electrolyte 25ml
 - 1 quality control certificate
 - 1 inspection certificate 3.1 (in accordance with EN 10204.3/3.1)
 - 1 quick setup guide
 - 1 EC Declaration of Conformity Membrane body and cap sleeve are not mounted.
 
The interior body is protected against drying out with a wetting cap, filled with CO2-electrolyte.
