Electronics Essay

25965 Words Sep 11th, 2013 104 Pages
BASIC INSTRUMENTATION MEASURING DEVICES AND
BASIC PID CONTROL

Table of Contents Section 1 - OBJECTIVES 3 Section 2 - INSTRUMENTATION EQUIPMENT 7 2.0 INTRODUCTION 7 2.1 PRESSURE MEASUREMENT 7 2.1.1 General Theory 7 2.1.2 Pressure Scales 7 2.1.3 Pressure Measurement 8 2.1.4 Common Pressure Detectors 9 2.1.5 Differential Pressure Transmitters 11 2.1.6 Strain Gauges 13 2.1.7 Capacitance Capsule 14 2.1.8 Impact of Operating Environment 15 2.1.9 Failures and Abnormalities 16 2.2 FLOW MEASUREMENT 18 2.2.1 Flow Detectors 18 2.2.2 Square Root Extractor 25 2.2.3 Density Compensating Flow Detectors 29 2.2.4 Flow Measurement Errors 31 2.3
…show more content…
* Pressure * Flow * Level * Temperature * Neutron Flux * Control
At the end of training the participants will be able to:
Pressure
* explain the basic working principle of pressure measuring devices, bourdon tube, bellows, diaphragm, capsule, strain gauge, capacitance capsule; * explain the basic operation of a differential pressure transmitter; * explain the effects of operating environment (pressure, temperature, humidity) on pressure detectors; * state the effect of the following failures or abnormalities: over-pressuring a differential pressure cell or bourdon tube; diaphragm failure in a differential pressure cell; blocked or leaking sensing lines; and

Related Documents