Instrumentation technicians monitor atmospheric and environmental changes in industrial areas and buildings. They use a variety of instruments and devices to record and report these changes.ccording to PayScale.com, the majority of instrumentation and controls technicians earned between $43,894 and $88,630 a year, as of January 2014.
1 Some of the conditions that may cause lightheadedness in a patient include low blood pressure, high blood pressure, dehydration, medications, postural or orthostatic hypotension, diabetes, endocrine disorders, hyperventilation, heart conditions, and vasovagal syncope.ightheadedness is often caused by a decrease in blood supply to the brain, while vertigo may be caused by disturbances of the inner ear and the balance centers of the brain.
Photo Credit George Doyle/Stockbyte/Getty Images. If a person experiences a drop in blood pressure, fever, diarrhea, loss of hydration from vomiting or dizziness, lightheadedness can occur. Further, if the brain does not receive enough blood, it can cause lightheadedness as well.eart Attack. Heart attack is one of the more serious conditions that cause lightheadedness. During a heart attack, oxygen is prevented from getting to the heart and the rest of the body when blood vessels are blocked, causing the head to feel light and weightless.