Process Engineering Division – Instrumentation and Automation Section – Daily Topics – Topic No. 2020-12-25

2020-12-25View Original

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Process Engineering Division – Instrumentation and Automation Section – Daily Topics – Question No. 2020-12-25: Discussion topic: 337. There is a temperature measuring instrument with a scale range of 0–400°C. It is known that the maximum absolute error is tmax = 5°C. What is its relative percentage error? (5 points will be given to those who provide only the correct answer; additional points will be awarded for a correct calculation process or detailed explanation.)

Reply #22020-12-25

Relative error = Maximum error/Measurement range = 5/400×100% = 1.25%

Reply #32020-12-25

Relative error = Maximum error/Range = 5/400×100% = 1.25%

Reply #42020-12-25

Relative error = Absolute error/Range = 5/400×100% = 1.25%

Reply #52020-12-25

Relative error = Maximum error/Range = 5/400×100% = 1.25%

Reply #62020-12-25

Relative error = Maximum error/Range = 5/400×100% = 1.25%

Reply #72020-12-25

Relative error = Maximum error/Range = 5/400×100% = 1.25%

Reply #82020-12-25

Relative error = (Maximum absolute error/Range) × 100% = (5/(400-0)) × 100% = 1.25%. The relative percent error is 1.25.

Reply #92020-12-25

Relative error = Maximum error/Range = 5/400×100% = 1.25%

Reply #102020-12-25

Maximum relative percentage error = 【▏Maximum error▏/Range】× 100% = 5/400 – 0×100% = 1.25%

Reply #112020-12-25

5/（400-0）?100%=1.25%

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