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Kit version of the 5564A amplified pH sensor for the YSI 556, bundled with the guard extension adapter required to fit the sensor into the probe guard on 2-port ProSeries/556 cables. Used with: YSI 556 One-year sensor warranty. 556 Manual | 556 Spec Sheet
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🇺🇸 Ship from USA · On Agora since 2026
$470.00