| DataCode | | Nominal | Data set Code |
| RecType | | Physical quantity | Record type |
| Date | | Date/time | Record date |
| Photosynthetic_Pathway | | Nominal | Photosynthetic Pathway |
| M6400 | | Physical quantity | Machine identity |
| Species_Acronym | | Nominal | Species Acronym |
| Species | | Nominal | Species Name |
| Rep | | Physical quantity | Machine identity number |
| Obs | | Physical quantity | # observation stored in log file |
| RecTime | | Date/time | Sample collect time |
| Photo | | Physical quantity | Photosynthetic rate (μmol CO2 m−2s−1) |
| Cond | | Physical quantity | Conductance to H2O (mol H2O m−2s−1) |
| Ci | | Physical quantity | Intercellular CO2 concentration (μmol CO2 mol−1) |
| Trmmol | | Physical quantity | Transpiration rate (mmol H2O m−2s−1) |
| VpdL | | Physical quantity | Vapor pressure deficit based on Leaf temp (kPa) |
| CTleaf | | Physical quantity | Computed leaf temp (°C) |
| Area | | Physical quantity | In-chamber leaf area |
| BLC_1 | | Physical quantity | One sided boundary layer conductance for the leaf (mol m−2s−1) |
| StmRat | | Physical quantity | Stomatal ratio estimate |
| BLCond | | Physical quantity | Total boundary layer conductance for the leaf (includes stomatal ratio) (mol m−2s−1) |
| Tair | | Physical quantity | Chamber Air Temp |
| Tleaf | | Physical quantity | Leaf Temp, measured with the thermocouple (°C) |
| TBlk | | Physical quantity | IRGA Block Temp (°C) |
| RH_R | | Physical quantity | Reference Relative Humidity (%) |
| RH_S | | Physical quantity | Sample Relative Humidity (%) |
| Flow | | Physical quantity | Flow Rate (μmol s-1) |
| PARi | | Physical quantity | In-chamber PAR (μmol m−2s−1) |
| PARo | | Physical quantity | External PAR (μmol m−2s−1) |
| Press | | Physical quantity | Atmospheric Press (kPa) |
| Ci_Pa | | Physical quantity | Intercellular CO2 concentration (kPa) |
| CiCa | | Physical quantity | Intercellular CO2 / Ambient CO |
