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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