Building A Successful Calibration Program

Calibration is the process of comparing a measurement device to an equal or better standard. To create a successful calibration program it is essential to start with an accurate recall list including all test, measurement and diagnostic equipment. Creating a recall list is possible through the following steps.

Starting the process by establishing a unique identifier will allow you to track each instrument, location and instruments custodian. For help compiling an accurate recall list consider using asset management software, bar-coding systems or physical inventories. Make sure not to overlook any equipment when compiling your list. For a reliable calibration program, the recall list must include all modules, plug-ins, small handheld tools and even home-made devices such as Test Fixtures.

After compiling your recall list, identify any instruments that may not need calibration. Items may fall into this category due to redundancies in your testing process. If you have trouble identifying these items a commercial calibration laboratory can provide assistance.

Next it is time to create procedures for adding new instruments, removing old or disposed instruments, or making changes in instrument custodianship. To have the unit calibrated with a minimal impact on production, recall reports should be run with sufficient time for both the end user and the service provider.

A full service calibration laboratory can supply a recall report. Keep in mind that a late report identifying any expired units, and any units about to expire, will ensure 100% conformity. The report will also provide special escalation reporting in the event that equipment is not returned for service. Many calibration laboratories even offer choices in receiving recall reports. For instance, some provide web-based equipment management systems allowing their customers to perform recall reports, late reports and keep electronic versions of calibration certificates.

Now that all of the steps for creating an accurate recall list have been covered, here are some tips on obtaining timely equipment calibrations without needing to shut down a line for days.

It is important to locate a calibration service provider that is able to perform onsite, or in-place, calibrations at your facility. Finding an onsite calibration provider lowers cost and saves time, especially when your volume is greater than 20 calibrations. When looking for a provider, remember to check if it has sufficient capabilities to calibrate nearly all of your equipment onsite. This will help reduce delays and expenses for using an additional subcontractor.

Some additional options can help reduce downtime. Possibilities to consider include mobile Calibration lab services, scheduled depot calibrations, calibrations during shutdowns, scheduled pick-up and delivery and weekend or nightshift calibrations.