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398R/398RVP Retractable pH/ORP Sensor
Brand: Rosemount
The chemical-resistant construction of Tefzel®, titanium, and the patented TUpH™ reference junction makes Models 398R and 398RVP the ideal sensors for measuring pH in harsh process liquids.
Use Models 398R and 398RVP to measure pH in sour water strippers, in pulp bleaching towers that use chlorine dioxide, and in process streams containing a variety of organic solvents.
Features- SUPERIOR CHEMICAL RESISTANCE allowing sensors to withstand applications containing chlorine dioxide and a wide variety of organic solvents and oxidizing agents
- MINIMUM SENSOR MAINTENANCE due to TUpH reference technology which ensures long life in coating, fouling, and poisoning processes
- MAXIMUM SENSOR LIFE due to helical reference pathway which hinders reference poisoning and cracking resistant glass
Specifications
Brand
Ambient Temperature Range
- 0° to 100° C (32° to 212° F)
Measuring Range
- 0 to 14 pH
- ORP: -1,500 to 1,500 mV
NPT Connection
- 1” NPT Male
O-Ring Material
- EPDM
- Kalrez
- Viton
Pressure Range
- psia: 14.5 to 264.69 (kPa: 100 to 1,825, bar: 1 to 18.25)
- psig: 0 to 250 (kPa: 0 to 1,724, bar: 0 to 17.24)
Wetted Materials
- EPDM
- Glass
- Kalrez
- ORP Only: Platinum
- Tefzel
- Titanium
- Viton
Documentation
Certificates & Approvals
- Certificate: Hazardous (Classified) Location Electrical Equipment FM Compliance Certificate pdf 240 KB
- Declaration of Conformity: pH Sensors CE pdf 76 KB
- Product : pH Sensors BASEEFA 10ATEX0156X +/2 pdf 6.7 MB
- Product Certificate: 389, 396, 396VP, 396R, 396RVP, 396P, 396PVP, 398, 398VP, 398R, 398RVP pH Sensors CRN-Alberta 0F12814-2 pdf 62 KB
- Product Certificate: 389, 396, 396VP, 396R, 396RVP, 396P, 396PVP, 398, 398VP, 398R, 398RVP pH Sensors CRN-Saskatchewan 0F12814-23 pdf 74 KB
- Product Certificate: 398, 398R TUpH pH Sensors CRN- British Columbia 0F07880-21 pdf 18 KB
- Product Certificate: 398, 398R TUpH pH Sensors CRN- Ontario 0F7880-25 pdf 1.4 MB
- Product Certificate: 398, 398R TUpH pH Sensors CRN-Alberta 0f07880-2 pdf 97 KB
- Product Certificate: 398, 398R TUpH pH Sensors CRN-Manitoba 0F07880-24 pdf 1.2 MB
- Product Certificate: 398, 398R TUpH pH Sensors CRN-NB, NS, PEI, NL, YT, NT, NU 0F07880-2NYT pdf 428 KB
- Product Certificate: 398, 398R TUpH pH Sensors CRN-Quebec 0F07880-26 pdf 1.5 MB
- Product Certificate: 398, 398R TUpH pH Sensors CRN-Saskatchewan 0F7880-23 pdf 68 KB
- Product Certificate: pH Sensors CSA Certificate of Compliance pdf 121 KB
- Product Certificate: pH Sensors CSA Supplement to Certificate of Compliance pdf 48 KB
- Product Certificate: Rosemount Analytical Liquid Sensors Pressure Equipment Directive 97/23/EC pdf 34 KB