| the ISO calibration certificate is not recognized according to the EA MLA (Multilateral Agreement) and is therefore considered as not traced. |
| The calibration certificate must be ordered in conjunction with a sensor. |
| The corresponding sensor is delivered along with the calibration certificate. |
| The calibration certificate is in two languages (German/English). |
| Subsequent orders are only possible if the sensor is in a clean condition upon return. |
| In the internet version of the data sheet a sample certificate is stored in the tab "Downloads". |
| for the SDx6xx sensors, the issue is only possible for the air characteristics |
