Metrolab has become aware that certain of its THM1176-MF Three-axis Hall Magnetometers may not remain within the specified calibration tolerances for the recommended 18-month interval, as specified in the Introduction of the THM1176/TFM1186 User’s Manual.
The affected units are those with probe version “B0", sold between January 2015 and July 2016. Customers can check the probe version in the “Info” field on the “Setup” page of the THM1176 software (see illustration).
Metrolab has developed a new probe, version “B1”, to address this issue. All new units are currently being produced with this new sensor package. When an affected unit is returned for calibration, Metrolab will replace the “B0” probe with the “B1” probe, automatically and free of charge. This free repair offer is valid through January 1, 2020.
We sincerely regret this deficiency, and thank our customers and distributors for their patience.
- David Overney, Manufacturing Manager
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