In: Electrical Engineering
Question 2: sensor Char, medaling (17 pts)
Q2: Experimental data’s for relative temperature sensors
Table 1 |
T(C ) |
30 |
40 |
50 |
60 |
70 |
|
R( ohm) |
111.4658 |
115.6045 |
119.1927 |
123.3417 |
127.3224 |
||
Table 2 |
T(C ) |
30 |
40 |
50 |
60 |
70 |
|
Time |
0 |
60 sec |
120 sec |
180 |
240 |
||
R( ohm) |
111.4658 |
115.6045 |
119.1927 |
123.3417 |
127.3224 |
||
a) Compute the sensor sensitivity using the data off the table 1?
b) Study the sensor linearity based on the data of the table 1?
c) Discuss the sensor precision based on the data of table 2?
d) Use the data of table 2 to explain the different between random and systematic errors?