Industrial Automation & Control Systems
Q4.
TABLE Q4 shows the responses for two pressure transmitters that have recently been used in a plant. The operating range for both transmitters are 0 to100 kPa.
TABLE Q4
Transmitter A (kPa) 2 3 29.4 30.4 80.8 79.7 130.4 130 Transmitter B (kPa) 2 3 46.3 48.5 106.3 107.4 165.2 165
Trial 0% 50% 100%
1 31.7 80.4 132
4 31.9 82.1 132
5 30.8 82 130.2
Trial 0% 50% 100%
1 43 105.2 165.2
4 45.2 106.3 166.3
5 44.1 103 164.2
As an instrument engineer you are required to analyze which pressure transmitter is having a better performance. Justify your answer based on the accuracy, precision and type of errors of the transmitter.