The Rosemount 398VP pH Sensor / ORP Sensor features a chemical-resistant construction of Tefzel™ and titanium. This pH/ORP sensor is ideal for measuring pH in harsh process liquids and can be used to measure pH levels in sour water strippers, pulp bleaching towers that use chlorine dioxide, and process streams containing a variety of organic solvents.
Measurement Range: pH sensor: 0 to 14ORP sensor: -1500 to +1500 mV
Temperature Range: 32 to 212 °F (0 to 100 °C)
Pressure Range: Hemi Bulb - 0 to 250 psig (100 to 1825 kPa [abs])Flat Bulb - 0 to 100 psig (100 to 790 kPa [abs])
Materials of Construction: Wetted Materials: Titanium, Tefzel™, glass, and a choice of Kalrez®, Viton™, or EPDM; platinum for ORP sensor only
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