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The differences between hydro-pneumatic testers and certified welding inspectors can be seen in a few details. Each job has different responsibilities and duties. Additionally, a hydro-pneumatic tester has an average salary of $50,734, which is higher than the $47,494 average annual salary of a certified welding inspector.
The top three skills for a hydro-pneumatic tester include hydro-test, safety procedures and hand tools. The most important skills for a certified welding inspector are CWI, PT, and structural steel.
Hydro-pneumatic testers and certified welding inspectors have different pay scales, as shown below.
| Hydro-Pneumatic Tester | Certified Welding Inspector | |
| Average salary | $50,734 | $47,494 |
| Salary range | Between $26,000 And $97,000 | Between $31,000 And $72,000 |
| Highest paying City | - | - |
| Highest paying state | - | - |
| Best paying company | - | - |
| Best paying industry | - | - |
There are a few differences between a hydro-pneumatic tester and a certified welding inspector in terms of educational background:
| Hydro-Pneumatic Tester | Certified Welding Inspector | |
| Most common degree | High School Diploma, 52% | Associate Degree, 31% |
| Most common major | General Studies | Precision Metal Working |
| Most common college | - | - |
Here are the differences between hydro-pneumatic testers' and certified welding inspectors' demographics:
| Hydro-Pneumatic Tester | Certified Welding Inspector | |
| Average age | 45 | 45 |
| Gender ratio | Male, 95.3% Female, 4.7% | Male, 89.0% Female, 11.0% |
| Race ratio | Black or African American, 11.5% Unknown, 4.5% Hispanic or Latino, 25.1% Asian, 6.6% White, 51.5% American Indian and Alaska Native, 0.8% | Black or African American, 11.7% Unknown, 4.6% Hispanic or Latino, 17.2% Asian, 8.1% White, 57.6% American Indian and Alaska Native, 0.8% |
| LGBT Percentage | 4% | 4% |