The phrase "a quantity value" is correct and usable in written English.
It can be used in contexts where you are referring to a specific numerical measurement or amount.
Example: "In the experiment, we measured a quantity value of 5 liters of water."
Alternatives: "a numerical value" or "a measurement value".
A quantity value, such as 5 kg, consists of a number and a reference (often an International System of Units (SI) unit) that together express the magnitude of a quantity.
Consequently, the proposed QF metric is a quantity value representing a measure of effectiveness, efficiency, and performance of a temperature sensor network, which can help the designer to make a proper decision.
An optional unit designator can be assigned to the variable if it is necessary to represent a quantity value.
In medical practice, measurements usually have 3 main objectives: (1) diagnosis, by a timely comparison of the actual quantity value with its normal range, (2) alarm, by continuously checking if the quantity value is inside or outside a predetermined range, and (3) titration, by finely tuning a therapeutic action to bring a quantity value toward a targeted range.
That is why it has been suggested to assess the precision of a specific device as the variability of the measurement errors (±2σ) around a fixed quantity value, a reference trend line obtained by a reference method or a patient in steady state.
Typically, accuracy of a measurement is assessed by the closeness of agreement between the measured value and a true quantity value or an accepted reference value of a measurand.
Measurement accuracy is the closeness of agreement between a measured quantity value and a true quantity value of the measurand.
Drug quantity is recorded more consistently (99.3%% of all drug exposures have a valid quantity value) and a CPRD-derived numeric daily dose field is provided for drug exposures.
In the context of statistics, the word "variable" is used to refer to a measurable quantity value, characteristic, or attribute of an individual or a system (e.g., heart rate, arterial blood pressure, or tidal volume) measured by a sensor.
Step response time is the duration between the instant when an input quantity value of a measuring instrument is subjected to an abrupt change between 2 specified constant quantity values and the instant when a corresponding indication settles within specified limits around its final steady value.
Measurement trueness is the closeness of agreement between the average of an infinite number of replicate measured quantity values and the true or a reference quantity value.
