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The model ISC40 sensors are designed for use with the EXA:
ISC200 2-wire transmitters and the EXA: ISC402 4-wire analyzers.
This combination exceeds all expectations for conductivity
measurement in terms of: reliability, accuracy, rangeability and
price performance.
The accuracy is 0.5% of reading plus 0.5 uS/cm for any conductivity
value: whether measured in rinse water or in concentrated
acids. The materials of construction guarantee a long life under
harch industrial conditions:
- The erosion/abrasion resistant PEEK (Poly Ether Ether Ketone),
which also features excellent chemical resistance in all solutions
except Fluoric Acid or Oxidizing Concentrated Acids.
- The ultimate material in terms of chemical resistance: PFA for
applications in Hydrofluoric Acid and Oxidizing Concentrated
acids (Nitric, Sulfuric, Oleum).
The PEEK sensor is provided with a rugged Stainless Steel
mounting thread/nut/ gasket combination for ultimate flexibility in
installation using bulk head installation technique. There is also a
wide range of holders and options available for reliable in-line or
off-line installation with double O-ring seals for long service life of
the sensor. Additional models are available for use in Ball-Valve
Insertion applications and in Sanitary Flange installations.
The PFA sensor comes with an integral lap-joint flange, because
in applications, where this sensor is used, it is very difficult to find
O-rings that are resistant to the process.
Both sensors have a large bore for optimal resistance to fouling
processes and when properly installed, the flow will keep the sen-sor
clean preventing measuring errors.
FEATURES AND APPLICATIONS
- Inductive Conductivity technique for elimination of fouling and polarization errors.
- Wide bore sensors for long term stability.
- Installation flexibility by wide range of holders and by the use of universal bulkhead construction.
- Wide rangeability in terms of Conductivity ( 1 µS/cm to 2 S/cm) and temperature ( -20 to 130ºC).
- All applications where severe electrode fouling prevents the use of contacting electrodes.
- All ranges except the (ultra) pure water applications.
- All slurry applications where conventional systems suffer from plugging or erosion.
- All applications where the 6 decade rangeability is necessary for accurate process control.
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