Span Offset is the amount of deviation in output or reading from the exact value at a point within the measurement span.
The span offset can be expressed in measurement units, percentage of span or percentage of full scale.
Manufacturers may include a factory setting tolerance for the span offset on the product technical data sheet to help users determine the total error to be expected without any calibration adjustment.
For example a pressure transducer for measuring 0 to 15 psi pressure with a 0 to 30 mV output may have a span offset tolerance of +/-0.1% span. Therefore at 7.5 psi the maximum span setting tolerance will be +/- 0.015 mV.
DMP331i High Accuracy Pressure Transmitter
TKDA Digital Auto-Zero Pressure Transmitter
Zero and span adjustable 10 bar ATEX pressure transmitter
33X High Accuracy Digital Output Pressure Sensor
Request info on span output adjustable measurement products for your application.
Calibration Related Terms
More pages related to calibration technical terms.
- BSL – Best Straight Line
- Compensated Temperature Range
- Dead Weight Tester
- NPL – National Physical Laboratory
- Primary Pressure Reference Standard
- Secondary Pressure Standard
- Traceable Calibration
- TSL – Terminal Straight Line
- UKAS – The United Kingdom Accreditation Service
- UKAS Calibration Certificate
- Zero Offset
- Zero Tare