The pressure transmitter comes in a number of shapes and sizes. One, referred to as a Bourdon Tube, is designed especially for monitoring non-liquid pressure. They are relatively inexpensive and good for measuring air and gas pressure in compressors. The tubes may be c-shaped, spherical and helical.
Average Pay & Benefits. The BLS groups heating technicians under the job category of Heating, Air Conditioning, and Refrigeration Mechanics and Installers. These technicians earned average incomes of $45,540 per year as of May 2011, according to the BLS. Their incomes are based on both regular and overtime pay.
Workplace and Geography. Welders' pay varies between industries. Electrical and gas utilities are among the highest-paying employers, at $61,110 and $59,620 respectively. Pro sports stadiums employ a small number of welders for maintenance and repairs but pay an average of $67,040. The largest employers are in a number of construction and manufacturing sectors, where pay averages between $35,000 and $37,000. Geography plays a role as well, with Alaska leading the nation at an average salary of $67,980 for welders.