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Questions and Answers
Voltage transmission is an electrical transmission method where the frequency of the signal is proportional to the measured value.
Voltage transmission is an electrical transmission method where the frequency of the signal is proportional to the measured value.
False (B)
___ is a standardized method of conveying information from one instrument device to another.
___ is a standardized method of conveying information from one instrument device to another.
Transmission
___ is a series of discontinuous ON/OFF signals transmitted electrically.
___ is a series of discontinuous ON/OFF signals transmitted electrically.
Digital Data
A(n) ___ is the data sent from one device to another by a specific method.
A(n) ___ is the data sent from one device to another by a specific method.
___ data is a continuous range of values from a minimum to a maximum that can be related to a transmission signal range.
___ data is a continuous range of values from a minimum to a maximum that can be related to a transmission signal range.
___ transmission is an electrical transmission method consisting of a pure audible tone where the duration of the tone is proportional to the measurement value.
___ transmission is an electrical transmission method consisting of a pure audible tone where the duration of the tone is proportional to the measurement value.
Current transmission is an electric transmission system where a transmitting unit regulates resistance in a transmission loop.
Current transmission is an electric transmission system where a transmitting unit regulates resistance in a transmission loop.
Pulse transmission is an electric transmission method consisting of a rapid change in voltage from a low value to a high value and then back to the low value.
Pulse transmission is an electric transmission method consisting of a rapid change in voltage from a low value to a high value and then back to the low value.
Frequency transmission is an electric transmission system where a transmitted voltage is the variable of interest.
Frequency transmission is an electric transmission system where a transmitted voltage is the variable of interest.
With a positive-displacement flowmeter, each pulse is calibrated to represent the ___.
With a positive-displacement flowmeter, each pulse is calibrated to represent the ___.
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Study Notes
Transmission Signals Overview
- Voltage transmission: Incorrectly defined as a method where signal frequency varies with measured value.
- Transmission: Standardized technique for information exchange between devices.
- Digital Data: Comprises a sequence of discrete ON/OFF electrical signals.
- Transmission Signal: Represents data transferred from one device using specific methods.
Data Types
- Analog Data: Represents a continuous range of values linked to signal transmission range.
- Tone Transmission: Involves an audible tone, with tone duration reflecting measurement values.
Transmission Methods
- Current Transmission: Incorrectly portrayed as a method where a unit manages loop resistance.
- Pulse Transmission: Defined as a method with quick voltage fluctuations from low to high and back.
Flow Measurement
- Positive-displacement flowmeter: Calibrates each pulse to signify incremental flow quantity.
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