3/28/2023 0 Comments Usb overdrive code 3.3![]() NI DAQ devices can store data in an onboard FIFO when performing analog input or analog output tasks. How Do I Calculate Absolute Accuracy Or System Accuracy? The absolute accuracy at full scale for the ± 0.5 V range is 100 µV. The absolute accuracy at full scale is calculated with the assumption that the signal being measured is 0.5 V. Random/System Noise-Additional system noise generated by the analog front end, measured by grounding the input channel.Offset Tempco-The temperature coefficient that describes how temperature affects the offset in an ADC conversion compared to the temperature at last self-calibration.INL Error (relative accuracy resolution)-The maximum deviation from the voltage output of an ADC to the ideal output.Reference Tempco-The temperature coefficient that describes how accurate a measurement is at a specific temperature compared to the temperature at last external calibration.Residual Offset Error-Offset error inherent to the instrumentation amplifier and is known to exist after a self-calibration.Gain Tempco-The temperature coefficient that describes how temperature impacts the gain of the amplifier compared to the temperature at last self-calibration.Residual Gain Error-Gain error inherent to the instrumentation amplifier and is known to exist after a self-calibration.Nominal Range Negative Full Scale-The ideal maximum negative value that can be measured in a particular range.Nominal Range Positive Full Scale-The ideal maximum positive value that can be measured in a particular range.Note that absolute accuracy at full scale makes assumptions about environment variables, such as 25 ☌ operating temperature, that may be different in practice. The accuracy of a measurement will change as the measurement changes, so to be able to make a comparison between devices, the accuracy at full scale is used. Absolute Accuracy at Full Scale is a calculated theoretical accuracy assuming the value being measured is the maximum voltage supported in a given range. They provide information that is relevant for the adequate use of the instrument that is not included in the previous definitions.Īccuracy refers to how close to the correct value of a measurement is. Characteristic or Supplemental Specifications describe basic functions and attributes of the instrument established by design or during development and not evaluated during Verification or Adjustment.Typical specifications are not warranted. Typical Specifications are specifications met by the majority of the instruments within the recommended calibration interval and under the stated operating conditions.Specifications characterize the warranted performance of the instrument within the recommended calibration interval and under the stated operating conditions. ![]() See your devices' specifications manual for more details on which specifications are warranted or typical. NI defines the capabilities and performance of its Test & Measurement instruments as either Specifications, Typical Specifications, and Characteristic or Supplemental Specifications. First, it is important to note the categorical difference between various specifications. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |