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Sanitary Inductive, Electrodeless Conductivity Sensor, PFA Body Material

Sanitary Inductive, Electrodeless Conductivity Sensor, PFA Body Material
Artikel-Nr.: 3708E2T
EUR Preis: Kontakt

Wide Measuring Range

Hach’s Inductive Conductivity Sensors measure 200 up to 2,000,000 microSiemens/cm. A built-in Pt 1000 RTD compensates the measured conductivity for changes in process temperature.

Low Maintenance Design

The inductive sensor design eliminates polarization and electrode coating problems that commonly affect conventional contacting electrode-type conductivity sensors.

Versatile Mounting Styles

Sensors can be installed using a choice of four mounting styles—immersion, insertion, union, and sanitary.

Principle of Operation

Inductive conductivity sensors induce a low current in a closed loop of solution, then measure the magnitude of this current to determine the solution’s conductivity. The conductivity analyzer drives Toroid A, inducing an alternating current in the solution. This current signal flows in a closed loop through the sensor bore and surrounding solution. Toroid B senses the magnitude of the induced current which is proportional to the conductance of the solution. The analyzer processes this signal and displays the corresponding reading.

Withstands Harsh Environments

The inductive sensor is available in sanitary (CIP) flange style and convertible styles in PFA, polypropylene, PEEK, and PVDF material. Select sensors can withstand high pressures and temperatures.


Includes: sensor with 6 m (20 ft) cable and manual

Technische Daten

Anschlussgewinde: 2 " flange design, suitable for CIP/SIP, with special cap and EPDM compound gasket
Bemerkungen: Composition:
AD 3700 digital gateway 3708E2T analogue inductive conductivity sensor 1 m digital cable
Betriebsbedingungen: -10 - 200 °C (Sensor - limited by body material)
Druckbereich: 13,8 bar bei 200 °C
  13.8 bar at 200 °C
Durchfluss: Rate 3 m (10 ft.) per second, maximum
Eintauchtiefe: 69.85 mm
Gehäusematerial: PFA
Genauigkeit: 0.01 % of reading, all ranges
Kabellänge: 6 m fixed cable + 1 m digital cable
Länge: 127 mm
Material: Sensor Body: PFA
Medienberührende Materialien: Polypropylene, PVDF, PEEK or PFA
Messbereich: From 200 - 2000000 µS/cm
Montage: Sanitary
Sensorkabel: Polypropylene and PVDF Sensors:
5 conductor (plus two isolated shields) cable with XLPE (cross-linked polyethylene) jacket; rated to 150 °C (302ºF); 6 m (20 ft.) long
Temperatur-Sensor: Temperature Compensator Pt 1000 RTD
Zellkonstante: 4.44 cm-1