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Pre-amplification is required to protect the output signal of pH & ORP electrodes from a wide variety of electromagnetic interference common in industrial environments. The Signet 2720 Preamplifier is installed locally, at the sensing point, to maximize this protection while allowing cable extensions up to 120 m (400 ft). Signet"s unique twist-lock design simplifies installation and maintenance by providing for the quick connection and disconnection of electrodes. And the CPVC body is virtually unbreakable for extended service life in both submersible and in-line applications. If remote pre-amplification is necessary (e.g., tank temperature > 80° C), or if connecting to another manufacturer"s electrode, use the Signet 2721 Remote Preamplifier.
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