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NL – Non-Linearity

Non-Linearity is the deviation error derived from the straightness of a set of recorded measurements when compared to a straight line, such as bsl or tsl, drawn through all the results.

The maximum non-linearity error is normally expressed as a percentage of full scale.

Featured high accuracy measurement products

  • DPT100 Modbus RTU RS485 Differential Pressure Sensor - The DPT 100 is a high-accuracy differential pressure transmitter designed for fast test processes in leakage and flow measurement applications where rapid response time and high sampling rates are essential
  • DMP331i High Accuracy Pressure Transmitter - High precision pressure transmitter with an accuracy of 0.1%FS BSL NLHR and digitally adjustable pressure ranges from 400mb up to 40 bar gauge & absolute.

Glossary of Accuracy technical terms

  • Accuracy
  • BSL – Best Straight Line
  • Compensated Temperature Range
  • Digital Compensation
  • g Effect
  • Hysteresis
  • LHR – Linearity, Hysteresis and Repeatability
  • Long Term Stability/Drift
  • PPM – Parts Per Million
  • Precision
  • Pressure Hysteresis
  • Repeatability
  • RTE – Referred Temperature Error
  • Secondary Pressure Standard
  • TEB – Temperature Error Band
  • TEB – Total Error Band
  • Temperature Compensation
  • Temperature Error
  • Thermal Hysteresis
  • Threshold
  • TSL – Terminal Straight Line
  • TSS – Thermal Span or Sensitivity Shift
  • TZS – Thermal Zero Shift

Help from Accuracy resources

  • Pressure Sensor Accuracy Specifications
  • Measurement Accuracy
  • Determining calibration error of Bourdon tube pressure gauge
  • What is the difference between zero offset and zero drift?

Guidance with Accuracy requirements

  • ADT901 low pressure test pump with test gauge and process transmitter Pressure Calibration
  • High Accuracy

Tools for Accuracy calculations

  • Pressure Sensor Calculator
  • Temperature Sensor Calculator

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Products

  • Pressure
  • Level
  • Temperature
  • Interfacing
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  • Calibration
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