Power Plant Construction and QA/QC Section 5.1 – Power Plant Instruments Engineering Technology Division

2 Section 5.1 – Power Plant Instruments Overview Real Time View of Processes – Plant Performance Primary Processes – Fluid and Gas (Nuclear – Flux) Temperature – Fluid, Bimetallic, Resistance Flow – Differential Flow Pressure - Differential Pressure and Vacuum Level – Pressure, Differential Pressure, Visual Vibration, Conductivity, pH, CO 2, Viscosity, etc. Local and Remote Automated Controls

3 Section 5.1 – Power Plant Instruments Temperature Type Liquid Materials Glass Mercury, Alcohol Other types must meet range Capillary Action

4 Section 5.1 – Power Plant Instruments Temperature Type Bimetallic Motion Differential Resistance Movement Materials Copper-constantan Iron-constantan Chromel-alumel Platinum-platinum

5 Section 5.1 – Power Plant Instruments Temperature Type Resistance Electrical Resistance Materials Copper Nickel Platinum

6 Section 5.1 – Power Plant Instruments Flow Type Orifice

7 Section 5.1 – Power Plant Instruments Flow Type Flow Nozzle Air, Water

8 Section 5.1 – Power Plant Instruments Flow Type Venturi

9 Section 5.1 – Power Plant Instruments Flow Type Pilot

10 Section 5.1 – Power Plant Instruments Pressure Type Bourdon Tube Mechanical Linkage Pointer Pivot Pinion Bourdon Tube Inlet Pressure

11 Section 5.1 – Power Plant Instruments Pressure Type Bellows

12 Section 5.1 – Power Plant Instruments Level Type Delta Pressure Sight Gage Magnetic Float Ultrasonic

13 Questions? Section 5.1 – Power Plant Instruments