Industrial Test Calibration 

The Industrial Test Calibration article provides you information about testing equipment, measuring equipment and inspection equipment calibration requirements.

Measuring, inspection and testing equipment calibration is mandated by most construction and in-service codes.

The manufacturer quality control system is needed to define a process for the calibration of measuring and testing equipment to ensure the reading values are correct and accurate.

The calibration must be done in independent laboratory, which is accredited for calibration tests. There is different between calibration and adjustment.

The calibration is done in a reference laboratory, but adjustment is the accurate setting of measuring tool before application.

For example, when you are setting your ultrasonic thickness reading equipment with metallic test block, you are doing adjustment.

But when you are sending your test block to the reference laboratory, you are doing calibration.

The calibration process must be well-defined in a quality control program, and it is necessary that a list of measuring and inspection equipment be available with their calibration status, such as the date of last calibration, expiry date, and acceptable tolerance ranges, etc.

The calibration certificates also need to be available. These are general measuring and inspection tools, which need to be calibrated periodically:

Industrial Test Calibration - Instruments 

1. Caliper
2. Steel Tape
3. Flange Square
4. Ultrasonic (UT) Thickness Measurement Equipment Test Block
5. Tube Gauges
6. Steel Ruler
7. Pit Depth Gauge
8. Straightedge
9. Hook Gauge
10. Surveyor’s Level
11. MT Inspection Equipment
12. Micrometer
13. Three-ball Micrometer for Tube ID Measurement
14. Radiographic Equipment
15. Megger Ground Tester
16. Hardness-Testing Equipment
17. Eddy Current (ET)Testing Equipment
18. Sonic and Radiation-Measuring Equipment
19. UT Flaw-Detection Equipment
20. Neutron Backscatter Equipment for Moisture Detection
21. Magnetic Flux Leakage Equipment
22. etc.

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