Chapter 4 Maintenance; Recalibration; Cases; Storage - TSI Instruments IAQ-CALC 7525 Manual

Chapter 4
Maintenance
The Model 7525 requires very little maintenance to keep it performing well.

Recalibration

To maintain a high degree of accuracy in your measurements, we
recommend that you return your Model 7525 to TSI for annual recalibration.
Please contact one of TSI's offices or your local distributor to make service
arrangements and to receive a Return Material Authorization (RMA)
number. To fill out an online RMA form, visit TSI's website at
The Model 7525 can also be recalibrated in the field using the
CALIBRATION menu. These field adjustments are intended to make minor
changes in calibration to match a user's calibration standards. The field
adjustment is NOT intended as a complete calibration capability. For
complete, multiple-point calibration and certification, the instrument must be
returned to the factory.

Cases

If the instrument case or storage case needs cleaning, wipe it off with a soft
cloth and isopropyl alcohol or a mild detergent. Never immerse the
Model 7525. If the enclosure of the Model 7525 or the AC adapter becomes
broken, it must be replaced immediately to prevent access to hazardous
voltage.

Storage

Remove the batteries when storing the unit for more than one month to
prevent damage due to battery leakage.
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