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S401 DIFF/N

Differential digital pH and ORP sensors for waste water treatment plants and aggressive industrial applications Reference electrode with salt bridge Built-in temperature sensor IP68 rated protection

MAIN FEATURES
• Reliable pH measure thanks to the use of a process of digital measurement
• Communication of measurements via MODBUS RTU protocol
• Differential method of measurement enables a longer electrode life in time and in the most prohibitive applications
• Possibility to execute all the calibrations via MODBUS RTU serial port
• Black RYTON® sensor body
• Absence of moving mechanical parts
• Immediate installation and easy maintenance

These sensors are fully interchangeable with any pH electrode and are suitable for use with any MODBUS RTU pH meter. They are able to communicate the values of the measure pH and Temperature via MODBUS RTU protocol, and
you can perform all calibrations through the serial port.

APPLICATIONS
S401 DIFF/N is used for differential measurement of pH in pure water, wastewater treatment plants, suspended solids fouling processes, processes with pollutants, processes with high concentrations of sulfides, coagulation and flocculation, scrubbers, galvanic processes, surface finishing, processes of elimination or recovery of heavy metals.

Designed for measurements of pH in heavy duty applications where pH electrodes standards would not be able to work because the life of reference would be too short.

The sensor is constituted by a RYTON® body which houses the glass electrode for measuring the pH, the reference electrode with a salt bridge, the temperature sensor, the earth contact of the solution and the electronic board of signal handling.

The S401 DIFF/N uses the proven technique of differential measurement in three electrodes, the pH and the reference electrode are compared to a ground electrode for a rate measuring accuracy, even in chemical applications difficult.
The bridge replaced and the tank can be refilled ensure a long service life in applications containing sulphide (H2S) and metals such as lead, mercury, and silver.
 

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