Request for Return Materials Authorization (RMA)

Before shipping any Process Refractometer or Biogas process related items to Vaisala, the agent or end customer has to request a permission to send the item for an inspection, maintenance or repair. This is done by filling the Request for return materials authorization form (RMA).


  1. Fill this RMA form and submit it
  2. Wait for our contact before any further actions
  3. You will receive return authorization and delivery instructions
  4. Place the RMA form and shipping documentation outside the package according to separate instructions
  5. Ship the package to your local Vaisala Service Center and wait for our contact
Reason for Return*
Standard or Agreement return*
Product Info*
Service Specification*
Material Safety Info*

Equipment has been used for measurement of:

Equipment has been in contact with:
Protection needed when working with the residues of this process liquid:
Contact Information*