The SC24V differential pH sensor is unique to the industry, offering maintenance free operation without any reference problems. In the SC24V differential pH sensor, the reference cell is made of glass, with no porous junction, so no electrolyte is in contact with the process.
Because the sensor integrates four functions in one – pH sensing, reference cell, temperature compensation and liquid earth (ORP), there is only one sensor and one cable to deal with. The unit is designed for 12 mm PG13.5 mounting and is compatible with most industrial holders.
The SC24V is not a conventional pH sensor. It is a differential sensor that uses two dissimilar ion sensitive glass membranes to generate the pH signal. The measuring element is the same as a conventional pH electrode, and the reference similar to a Sodium ion electrode.
Therefore the SC24V can only be used in combination with pH Analyzers that feature:
- Dual high impedance sensor inputs
- Adjustable setting for the Isothermal Point
- Adjustable temperature coefficient
The Yokogawa models PH202 and PH450 satisfy these requirements.
Features
- No reference electrode or junction
- Low maintenance
- No diffusion = high stability
Applications
- Process where KCL is forbidden
- Process with rapid temperature / pressure changes
- Chlorine manufacturing (electrolysis of Brine)
- Bio- ethanol fermentation processes
- Pulp and Paper
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