Section 9.    Maintenance — Details 
 
 
9.3  Factory Calibration or Repair Procedure 
Related Topics 
 •  Auto Self-Calibration — Overview (p. 89) 
 •  Auto Self-Calibration — Details (p. 337) 
 •  Auto Self-Calibration — Errors (p. 475) 
 •  Offset Voltage Compensation (p. 323) 
 •  Factory Calibration (p. 86) 
 •  Factory Calibration or Repair Procedure (p. 461) 
If sending the CR800 to Campbell Scientific for calibration or repair, consult first 
with a Campbell Scientific support engineer.    If the CR800 is malfunctioning, be 
prepared to perform some troubleshooting procedures while on the phone with the 
support engineer.    Many problems can be resolved with a telephone conversation.   
If calibration or repair is needed, the following procedures should be followed 
when sending the product: 
Products may not be returned without prior authorization. The following contact 
information is for US and International customers residing in countries served by 
Campbell Scientific, Inc. directly. Affiliate companies handle repairs for 
customers within their territories. Please visit www.campbellsci.com to determine 
which Campbell Scientific company serves your country. 
To obtain a Returned Materials Authorization (RMA), contact CAMPBELL 
SCIENTIFIC, INC., phone (435) 227-9000. After a support engineer determines 
the nature of the problem, an RMA number will be issued. Please write this 
number clearly on the outside of the shipping container. Campbell Scientific's 
shipping address is: 
CAMPBELL SCIENTIFIC, INC. 
RMA#_____ 
815 West 1800 North 
Logan, Utah 84321-1784 
For all returns, the customer must fill out a "Statement of Product Cleanliness and 
Decontamination" form and comply with the requirements specified in it. The 
form is available from our web site at www.campbellsci.com/repair. A completed 
form must be either emailed to repair@campbellsci.com or faxed to 435-227-
9106. Campbell Scientific is unable to process any returns until we receive this 
form. If the form is not received within three days of product receipt or is 
incomplete, the product will be returned to the customer at the customer's 
expense. Campbell Scientific reserves the right to refuse service on products that 
were exposed to contaminants that may cause health or safety concerns for our 
employees.