QED'S RESPONSE TO COVID-19: We anticipate remaining open and continuing our manufacturing and supply operations during the COVID-19 response period. Because Graco Inc. and its affiliates (including Graco Minnesota Inc., Gema, High Pressure Equipment, White Knight, QED Environmental, Heateflex, Smith Manufacturing, and others), supply the Critical Infrastructure Workforce recognized by the U.S. Department of Homeland Security per the following CISA guidance. Read More
Providing Products and Technology for a Better Environment
Providing Products and Technology for a Better Environment


LANDTEC’S expert technicians make maintaining your analytical equipment simple and convenient.
From routine annual calibration, troubleshooting, batteries and accidental field damage, we can handle it all.
The following options are made available to ease your interaction with our service facility

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  • Request for RA

    The start of the service process is to create a Return Authorization (RA). This RA Number identifies your service transaction with LANDTEC’s facility. We record and track all information of your servicing process.

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  • Check the Status of your RA

    If you already have an Return Authorization, feel free to click on this link to see what stage your equipment is in the service process. Our process consists of the following stages:

      • Incoming Inspection
      • Quote/Approval
      • Servicing – Calibration, Upgrading, Repair, etc
      • QA/QC
      • Shipping
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