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The Testo 0390 0085 is a replacement O2 sensor for Testo gas analyzers. This sensor is compatible with models such as the 305, 310 II, 325M, 325S, and 325 XL. It provides oxygen measurement capabilities for these instruments. Installation of this sensor requires the main unit to be sent to the manufacturer for factory service, ensuring correct integration and calibration.
Replacement O2 sensor for Testo gas analyzers, requiring factory installation.
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