Instructions

Mesa recommends annual replacement of your measurement module to ensure proper calibration and compliance. 

Important Reminders

  • All equipment sent to Mesa for service will be serviced at current pricing. Only send components that require service and/or calibration. 90XL displays do not require calibration. Please send only if service is required.
  • Use this form for calibration and repair service for your 90XL and pHoenix meters. If you have questions about your pHoenix XL meter, please contact DGsupport@mesalabs.com.
  • pHoenix XL meters do not need to be sent in for yearly calibration. The pHoenix XL meter handle is connected to a replaceable module that can be ordered from Mesa Labs with part number 36-00310.

RGA Service Order Form Process

  1. Complete the Service Order Form below. Upon submission, please print the confirmation page and include it in your meter shipment to Mesa Labs. Failure to include a service order form will result with your meter not proceeding to service.
  2. Typically within 24 business hours, we'll prepare and send you a detailed quote including part numbers and pricing. Please review the serial numbers carefully when you receive it to confirm accuracy.
  3. Shipping instructions will be provided with the quote. Please check your email.

Reminder: Please print this page and send it with your meter.