DF: element or device, other than ancillary, required to ensure correct measurement or intended to facilitate the measuring operations, or which could in any way affect the measurement. Examples of additional devices are: - filter; - flow conditionin
DF: element or device, other than ancillary, required to ensure correct measurement or intended to facilitate the measuring operations, or which could in any way affect the measurement. Examples of additional devices are: - filter; - flow conditionin
DF: element or device, other than ancillary, required to ensure correct measurement or intended to facilitate the measuring operations, or which could in any way affect the measurement. Examples of additional devices are: - filter; - flow conditionin