| _id | datetime | val_raw | val_raw_value | val_type | dev_tag | val_description | dev_site | val_cal | val_offset | dev_type | dev_label | dev_category | dev_powersource | val_calibrated | geolocation | colspacer |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| datetime | val_raw | val_raw_value | val_type | dev_tag | val_description | dev_site | val_cal | val_offset | dev_type | dev_label | dev_category | dev_powersource | val_calibrated | geolocation |