NIST Certifications

Due to issues with USPS, we recommend that you only ship via FedEx and UPS. If you must send it with USPS, please select the box for signature required so they will bring it to our facility.  



  Click here to download a PDF for an RMA to include with your order. 

Texas Office

5750 North Sam Houston Parkway East

Suite #1016

Houston, Texas 77032


Louisiana Office

16573 Airline Highway

Suite #A

Prairieville, Louisiana 70769 



What is a certificate of inspection?

A certificate of inspection, or certification inspection, is the actual NIST document that is provided with NIST certified equipment. There are other terms used in the industry, such as inspection certification or inspection certificate. Ask for clarification, but most of the time they are talking about the NIST Certification for the equipment being used on the job.

Reasons to obtain a certificate of inspection

To prove relevance of the equipment you are using on a job site. This will help protect you from audits and legal matters in certain situations. 

Products for certificate of inspection 




Clamp Meters

Insulation Meters


High Voltage Holiday Tester

DeFelsko Adhesion Testers


All Defelsko Probes - Fischer, Elcometer, and more.

Any Type 1 or Type 2 DFT meter


Surface Temperature and Thermocouple probes

IR Guns

Sponge testers

Durometers A & D's only

Pit Gauges

Gauss Gauges

Most Ambient Gauges

UV Lights

LaMotte Meters

Conductivity Meters

Shims and Calibration Plates

Scales (Gram Scales not Shipping Scales)





Pressure Gauges up to 10000 PSI including Needle Pressure Gauges


Most certifications that do not come with instruments are $50.00 with the Purchase of the instrument

We can do a certificate of calibrations in-house, and we try to maintain a 24-hour turnaround.  If instruments require repair, we will contact you.  Most items can be traded in for a discount on equivalent DeFelsko equipment.

Call for other pricing.