Question: The task is to calibrate a Resistance Temperature Device [RTD]. The RTD forms one leg of a Wheatstone bridge, and the RTD has the
The task is to calibrate a Resistance Temperature Device [RTD]. The RTD forms one leg of a Wheatstone bridge, and the RTD has the following parameters: Coefficient of resistance a = 0.00392+0.00005 C (95%) Uncertainty in R: UR =0.001 (95%) When the bridge is balanced with T= 0C: R =100.000 2 and when balanced at 100C: R. 139.200 Determine RRTD at 0C and at 100C; determine the design stage uncertainty when for some temperature R = 300 2 and u = 1.0x10 / C (95%). Equation for RTD: RRID=R[1+a T-To)] Resistances in the Wheatstone Bridge: E RTD Re variable R = 100 R = 1000
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