ASME Y14.40.5:2002 pdf free download

ASME Y14.40.5:2002 pdf free download.GRAPHICAL SYMBOLS FOR DIAGRAMS, PART 5: MEASUREMENT AND CONTROL DEVICES.
For the fundamental rules of creation and application of graphical symbols In diagrams, see ASME Y 14.40.0. For an overview of the ASME Y14. 40 series, information on the creation and use of regisiration numbers for identifying graphical symbols used in diagrams, rules for the presentation and application of these symbols, and examples of their use and application, see ASME Y14 40.1.
3 TERMS AND DEFINITIONS
For the purposes of this Standard, the fllowing lerms and definitions apply.
3.1
sensor: primary elemment of a measuring chain that converts the input variable into a signal suitable for measurement.
3.2
signal converter: device that changes a signal into a different signal, the physical nature of the outpul being the same as that of the input.
3.3
measuring transducer transmitter: device that accepts information in the form of a physical or chemical variable and converts it to an output variable of the same or another nature, according to a definitec law.
3.4
deieclor. device that accepis infornation in the form of a physical or chemical variable and transmits a binary signal at a specified condition, cf. mcasuring transducer (3.3).
3.5
indicalor: device that shows the presence or absence of a phenomenon such as pressure, flow, and position or state, but which does not measure it.