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Hi everyone, i have to select a calibrators (pressure generator, temperature) for my field devices such as pressure transmitters, RTDs, TCs.. I have been told that calibrator has to be 3 times more accurate than instrument itself.
For example, when i check the data sheet of a pressure transmitters i see various accuracies from +/- 0.11 to to 0.18 of span and the calibrator i have found has ± 0.05 % FS accuracy. Does my calibrator matches the requirement? Generally, i am trying to learn the selection of calibrators in terms of accuracies and if any other parameters..
Thanks,
For example, when i check the data sheet of a pressure transmitters i see various accuracies from +/- 0.11 to to 0.18 of span and the calibrator i have found has ± 0.05 % FS accuracy. Does my calibrator matches the requirement? Generally, i am trying to learn the selection of calibrators in terms of accuracies and if any other parameters..
Thanks,