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| Inglés | Ruso |
| H B | расстояние H B (The distance from the reference point (e.g., bottom of tank) to the center line of the bottom transmitter Метран) |
| P B | датчик давления P B (Identifies the bottom pressure transmitter. This transmitter typically should be located above the bottom of the tank. The transmitter must be mounted above the water bottom, if any Метран) |