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$571.33     Availability: 7 Days
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Rosemount ENDURANCE Model 400 General Purpose Conductivity Sensor for the determination of electrolytic conductivity in applicationsranging from high purity water to clean cooling water for use in clean, non-corrosive liquid havingconductivity less than about 20,000 uS/cm. Optional Variopol VP connector.

Part# with Options:        400-11
Price with Options:        571.33


Cell Constant
(1) Model 400 Rosemount conductivity sensor with Pt-1000 temp comp
Insertion Lenght
(2) Model 400 Rosemount conductivity sensor
Cable length
(3) Model 400 Rosemount conductivity sensor
Cable only provided with Non-VP sensors
Junction Box
(4) Model 400 Rosemount conductivity sensor
(5) Rosemount Variopol VP sensor connector for 400 series
(6) Model 400 Rosemount conductivity sensor cable with mating VP6 connector

  Availability 7 Days  ]

  • SCREW-IN process connection
  • RUGGED CONSTRUCTION: titanium electrodes with 316 stainless steel fitting and PEEK insulator.
  • INITIAL CALIBRATION NOT REQUIRED. Pre-determined cell constant ensures out-of-the-box accuracy.
  • CELL CONSTANTS 0.01, 0.10, AND 1.0/cm cover broad range of conductivity
  • HIGH TEMPERATURE (392o200oC)) option available
  • AVAILABLE WITH VARIOPOL (VP) quick disconnect fitting.

ENDURANCE sensors are contacting conductivity sensors. They are available in cell constants of 0.01, 0.1, 1.0, and 10/cm. The choice of cell constant depends on conductivity. High conductivity samples require larger cell constants. Consult the analyzer Product Data Sheet for recommended ranges and accuracy.

Sensors with 0.01, 0.1 and 1.0/cm cell constants have concentric titanium electrodes separated by a PEEK insulator. EPDM O-rings seal the internal parts of the sensor from the process liquid. Sensors with 10/cm cell constants have graphite electrodes and an epoxy body.

Electrolytic conductivity is a strong function of temperature, and conductivity readings are typically converted to the value at a reference temperature. To measure temperature, ENDURANCE sensors use a platinum RTD. In metal electrode sensors the RTD is inside the inner electrode. In the epoxy body sensor, the RTD is in a titanium thermowell protruding from the end of the sensor

Model 400 sensors are designed for direct screw-in insertion into process piping using a 3/4-inch MNPT fitting. The Model 400 sensor can also be used in sidestream samples. A 1-inch pipe tee with a 3/4-inch bushing is a suitable flow cell. A 3/4-inch pipe tee can be used with 0.1 and 1.0/cm cells. A transparent plastic flow cell is also available (PN 24091-02).

SPECIFICATIONS (Models 400 and 400VP)
Cell constants 0.01, 0.1, and 1.0/cm
Wetted materials

Electrodes: titanium

Body: 316 stainless steel

Insulator: PEEK

O-rings: EPDM

Process connection 3/4 inch MNPT

32 – 221ºF (0 – 105ºC)

Temperature (option -60) 32 – 392ºF (0 – 200ºC)

250 psig (1825 kPa abs) maximum

Vacuum 7.4 psia (51 kPa abs)
Cable length (Model 400 only): 10 ft (3.1 m) standard; 50 ft (15.2 m) optional

    56-02-20-38-HT Rosemount Analytical 56 Dual Input Analyzer configured for Contacting Conductivity range 0-600,000 uS/cm (600 mS/cm). Display unit choices are conductivity, resistivity, total dissolved solids, salinity, and % concentration. Temperature compensation can b..

    3900-02-10 Rosemount General purpose pH/ORP sensor model 3900 Range: pH: ACCUGLASS 0-14 or ORP: -1500 to +1500 mV with integral cable, molded PPS body chemically resistant, does not require electrolyte (KCl) replenishment or any high maintenance troubleshooting proc..

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