DolpHin™ Series Models PH10 and ORP10 are a family of high performance pH and ORP sensors engineered for the toughest in-line applications. DolpHin™ sensors excel in high temperature and temperature cycling applications where they outperform competitive probes in critical areas of lifetime, speed of response and stability. DolpHin™ sensors utilize a proprietary glass formulation for high temperature service, allowing use in applications with temperatures as high as 121° C. The reference electrode is protected from process contamination through a double junction design and a Nation ion barrier which allows charge transfer while minimizing poisoning of the electrode and preventing silver ion from migrating to the external junction and causing clogging. These disposable sensors are housed in chemical-resistant PVDF bodies and are available with a choice of measuring electrodes to meet various application criteria. The DolpHin™ sensors have a ¾ NPT connection for adapting to the process and are available with several mounting fittings for insertion, immersion and retractable installations. An optional Variopin connector provides a quick and easy way to remove the sensor from its mating cable without twisting the cable or rewiring the sensor to the analyzer or transmitter. The DolpHin™ can be specified either with or without an integral preamp. An integral preamp is recommended for long runs between the sensor and analyzer. When used with an 876PH transmitter or 875PH analyzer, the DolpHin™ allows for a full complement of sensor diagnostics, including broken electrode, aging electrode, reference junction coating, temperature compensator and others.