For maximum accuracy, we generally recommend all sensors be recalibrated every two years. You may wish to wait longer between recalibration cycles depending on your particular requirements. To determine if recalibration is necessary for pyranometers and quantum sensors visit our information on the Clear Sky Calculator.
*Model and serial numbers are found on a white label on sensor cables, on the back-side of meters, or on the underside of spectroradiometers.
Please do not send any products back to Apogee Instruments until you have received a Return Merchandise Authorization (RMA) number from our tech support department.
Send all RMA sensors and meters back in their original, unmodified condition:
Failure to do the aforementioned may result in an additional service/repair fee prior to calibration. For questions, contact our Technical Support.
Once you’ve been issued an RMA number please make attention to that number on the outside of the package and ship to:
Repairs outside of the warranty period have a minimum charge of $50.
Return Shipping Cost
If you have questions or need additional support for any of our products, please contact Apogee tech support by email at email@example.com
One of our support specialists will repond as soon as possible during business hours which are M-F 8AM - 5PM MST.