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.
Pay for heating technicians can vary significantly by industry. The highest average pay, at $70,920 a year, was reported by those working for electric power companies, according to the BLS. Technicians also earned above average pay in the motor vehicle parts manufacturing industry, at a mean $64,610 per year.
Salary Range. The average pay for greenhouse workers as of May 2009 was $9.50 per hour, or $19,800 per year, according to the U.S. Bureau of Labor Statistics.Ninety percent of greenhouse workers made less than $12.10 per hour, or $25,200 per year. Salary does not increase much with experience in this occupation.The median pay range for greenhouse workers with up to nine years of experience is $7.60 to $13.80, according to January 2011 data from the PayScale salary survey website.The median range is the middle 50 percent of the earnings scale, the number at which 25 percent earn less and 25 percent earn more.alary Range. The average pay for greenhouse workers as of May 2009 was $9.50 per hour, or $19,800 per year, according to the U.S. Bureau of Labor Statistics.