HACH
HACH Sanitary Electrodeless Conductivity Sensor, PFA Body Material PN.3708E2T
HACH Sanitary Electrodeless Conductivity Sensor, PFA Body Material PN.3708E2T
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PFA, Sanitary (CIP) Flange Mounting Style, 6m (20 ft) Analog Cable, Electrodeless Conductivity Sensor
Benefits
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.
Principal 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.
Specifications
Technical Attributes
| Accuracy | 0.01 % of reading, all ranges |
| Body material | PFA |
| Body Material | PFA |
| Cable Length | 6 m (20 ft) |
| Cell Constant k | 4.44 cm-1 |
| Flow | Rate 3 m (10 ft.) per second, maximum |
| Length | 127 mm |
| Material | Sensor Body: PFA |
| Mounting | Sanitary |
| Operating Temperature Range | -10 - 200 °C (Sensor - limited by body material) |
| Pressure Range | 13.8 bar at 200 °C |
| Pressure Range | 13.8 bar at 200 °C |
| Process Connection | 2 " flange design, suitable for CIP/SIP, with special cap and EPDM compound gasket |
| Range | 200 µS/cm - 2000000 mS/cm |
| Sensor Cable | 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 |
| Sensor Immersion Depth | 69.85 mm |
| Sensor Type | Analog |
| Special Notes | Composition: AD 3700 digital gateway 3708E2T analogue inductive conductivity sensor 1 m digital cable |
| Temperature Sensor | Temperature Compensator Pt 1000 RTD |
| Warranty | 12 months |
| Wetted Materials | Polypropylene, PVDF, PEEK® or PFA® |
| What's included? | Includes: sensor with 20 ft cable and manual |
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