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The 34153 provides factory calibration of the CR3000 to meet original specifications, then sends the calibrated data logger to be verified by a certifying body that is A2LA accredited to the ISO 17025 standards.
This service requires an RMA (Returned Material Authorization) from Campbell Scientific. The factory calibration includes comprehensive testing of all data logger functions over its standard temperature range (-25° to +50°C) and the replacement of the internal lithium battery and desiccant packs. During testing, the data logger’s operating system is updated, and all settings are restored to factory defaults unless otherwise requested. Upon completion of the factory calibration, the data logger is sent to the A2LA accredited certifying body referenced above for calibration verification.
This service includes two calibration documents:
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