My Colorimeter is not working properly. What should I do?

If you have followed the instructions carefully and the Colorimeter does not seem to be working properly, call Vernier Technical Support at 1-888-837-6437. If the problem cannot be solved over the phone, we will issue you a Return Authorization number to send it in for a free inspection. If there is a manufacturing defect in the Colorimeter, we will repair or replace it at no charge. Often, however, Colorimeters malfunction because they have had liquid spilled inside causing corrosion. If this is the case, we will let you know if it can be repaired or if it is beyond repair.