The Rosemount 398RVP pH Sensor / ORP Sensor features chemical-resistant construction of Tefzel™, titanium and a robust reference junction. This pH/ORP sensor is ideal for measuring pH in harsh process liquids like 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 - 212 °F (0 -100 °C)
Operating Pressure: Hemi-bulb: 0 to 250 psig (0 to 17.24 barg)Flat-bulb: 0 to 100 psig (0 to 6.89 barg)
Max Operating Pressure: (at retraction or insertion)21 in. tube 64 psig (4.41 barg)36 in. tube 35 psig (2.41 barg)
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