I&C Concepts

The degree to which the output of an instrument approaches an accepted standard or true value.

Increases the process signal to a usable magnitude

Senses the parameter being monitored and converts the magnitude of the parameter to a mechanical, electrical, or pneumatic signal.

A range in which the zero value of the measured variable is greater than the lower range value.

The term used to describe the quantity, the property, or the condition that is measured.

The region between the limits within which a quantity is measured

A number or quantity that defines the limits that errors will not exceed when the device is used under referenced conditions.

The algebraic difference between the upper and lower range values.

A range in which the zero value of the measured variable is less than the lower range value.

Converts the output signal of the detector to a signal that can be used easily. (If the detector signal can be used directly, this “conversion” step is not needed.)

Transmits data from one instrument component to another when the components are physically separated.

DESCRIBE the two basic types of measurement

DRAW and LABEL a block diagram of a basic instrument channel

DEFINE the following terms:
a. Range
b. Span
c. Elevated Zero
d. Suppressed Zero
e. Accuracy