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404 Low Flow Conductivity Sensor

Brand: Rosemount
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The Rosemount 404 sensor is intended to measure conductivity in clean water. The sensor and flow cell are combined into a single package. 

A small holdup volume of the flow cell allows for rapid response to sudden changes in conductivity and temperature. 404 sensors are available with a PVC or stainless steel body.
Features
  • Sensor and flow cell combined in a single body
  • Fast response to changes in conductivity and temperature
  • No initial calibration requirements. A factory-measured cell constant ensures out-of-the-box accuracy
  • Selectable cell constants of 0.01, 0.10/cm
The Rosemount 404 sensor is intended to measure conductivity in clean water. The sensor and flow cell are combined into a single package. 

A small holdup volume of the flow cell allows for rapid response to sudden changes in conductivity and temperature. 404 sensors are available with a PVC or stainless steel body.
Features
  • Sensor and flow cell combined in a single body
  • Fast response to changes in conductivity and temperature
  • No initial calibration requirements. A factory-measured cell constant ensures out-of-the-box accuracy
  • Selectable cell constants of 0.01, 0.10/cm
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Specifications

Brand

Cable Length

  • 10 feet (3 metres) Standard
  • 50 feet (15 metres) Optional

Conductivity

  • 0.01/cm
  • 0.1/cm

Enclosure, Body Material

  • 303 Stainless Steel
  • PVC

NPT Connection

  • 1/4” NPT Female

O-Ring Material

  • EPDM

Operating Temperature

  • PVC Version: 0° to 60° C (32° to 140° F)
  • Stainless Steel Version: 0° to 100° C (32° to 212° F)

Pressure Range

  • psig: 20 to 100 (kPa: 137.9 to 689.5, bar: 1.379 to 6.895)

Tube Connection

  • 3/8” O.D. Tube

Wetted Materials

  • Electrodes: Titanium
  • Fitting: 316 Stainless Steel
  • Fitting: Polyethylene
  • Insulator: Glass-Filled PEEK
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