In addition, we apply validation for the following metrics, and all deviations will result in the reading being ignored:
| Metric | Valid unit (International System) | Valid unit (US-Customary) | Valid value |
| pressure | “m”, “mca”, “mwc” | “psi” | Numeric |
| flow | “Ml/d”, “cmd”, “cmh”, “l/m”, “l/min”, “l/s”,“lpm”, “lps”, “m^3/d”, “m^3/h”, “mld” | “Mgal/d”, “Mgallon-imp/d”, “acre ft/d”, “afd”, “cfs”, “ft^3/s”, “gal/min”, “gpm”, “imgd”, “mgd” | Numeric |
| level | “m”, “m3”, “m^3” | “ft”, “ft3”, “ft^3” | Numeric |
| status | <none> | <none> | Numeric (1 or 0) |