DF: part of the associated measuring device that provides an output quantity for the calculator, the correction device or the conversion device, and having a determined relationship to the input quantity
DF: part of the associated measuring device that provides an output quantity for the calculator, the correction device or the conversion device, and having a determined relationship to the input quantity
DF: part of the associated measuring device that provides an output quantity for the calculator, the correction device or the conversion device, and having a determined relationship to the input quantity