Factory calibration – TSI IAQ10 User Manual
Page 11

9
Before sending your instrument for 
calibration or repair, you should call 
Customer Service. The service department 
will provide you with the cost of service or 
calibration, Return Material Authorization 
(RMA) number, and shipping instructions. 
Please have the following information 
available when you call: 
• Owner’s name, address, and phone 
number
• Billing address, if different and
applicable
• Instrument name and model
• Serial number
• Date of purchase
• Where purchased 
TSI
recommends that you keep a “calibra-
tion log” and keep all records of service on 
your instrument. 
 
Factory Calibration 
To maintain a high degree of accuracy in 
your measurements, TSI recommends that 
you return your instrument to the factory 
for annual calibration. For a nominal fee, 
we will calibrate the unit and return it to 
