
The Leaders in Metrology
Excellent Quality You Can Stand By
Sample Certificates
Standard certificate and A2LA ISO 17025 accredited certificates are similar to one another, on a high level they both provide full data, condition received/returned, accuracy, analysis, standards implored and NIST traceable numbers. The differences are: the accredited certificate will also include an A2LA logo on the top right of the certificate, a statement in regards to the K=2 factor and confidence interval and an additional data column of measured uncertainty.
On a detailed level both certificates include the following:
- Barcode & Instrument I.D.
- Full Data (Before / After) Calibration and/or Repair Condition Received / Condition Returned / Reason for Service Description of Item incl. Model & Serial No.
- Measuring Range
- Procedure Used
- Calibrating Tech
- Temperature & Humidity
- Accuracy
- Calibration Standards Employed
- Numbers Traceable to N.I.S.T.
- Dual Signatures (Tech and Approval Signature) Certificate Number Purchase Order Calibration Date / Next Cal Date Recall / Cycle Repair / Adjustment Note (when applicable)
An A2LA accredited certificate will also include the following:
- A2LA Accreditation Logo
- Confidence interval statement referring to K=2 and 95% confidence interval Uncertainty

Why Choose Micro Quality Calibration?
The Best Kept Secret In Metrology
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We’re proud to offer our employees a variety of options for medical plans. Vision and dental are also offered.
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We can repair down to the component level and certify to Manufacturer, Federal, Military & Industrial specifications.
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22,000 square foot, seven-laboratory, environmentally-controlled facility.
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We have a 5-Business-Day turnaround time, with expedite options available 24 hr, 48 hr, and 72 hr.
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We do not sub-contract our work and have the ability to calibrate Primary, Secondary & Working standards in each of our disciplines.
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Our customers have 24/7 access to certificates, recall reports, equipment lists, & real-time equipment tracking within our facility.
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We are the metrology company of choice to thousands of customers in Southern California & across the country.
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Founded in 1978, Micro Quality Calibration continues to grow and is now serving more than
2,000 customers.