Calibration - portable gas meter procedure card: Daily zero + span.
Formula
$$ \text{Op} = \text{Calibration - portable gas meter} $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $Calibration - portable gas meter$ | Daily zero + span | - | ISGOTT 6 |
Sources
- OCIMF ISGOTT 6th Ed..