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Process pH Analyzer
K-8 Series
Addition of the optional sensor cleaner simplifies maintenance of the sensor assembly and helps maintain the measuring accuracy of the sensor. Four types of cleaners - ultrasonic, water-jet, brushing and chemical - fit the submersible-type holders and two types - ultrasonic and water-jet - the flow-type. These series cover all sample conditions.
The ultrasonic sensor cleaner is designed to automatically descale the sensor and reduce further scaling by continuous direction of ultrasonic waves toward the sensor surface. Specify the appropriate ultrasonic cleaner and oscillator unit.
The water-jet cleaner sprays pressurized water (2~6kg/cm2) onto the sensor surface to remove the deposits. If fitted with the control unit, the intervals between and duration of each measurement cycle leave in can be set at will to suit the kind of solution being measured or scale conditions.
Repeated brushing removes slime or other material from the sensor surface. This method is particularly effective for sample solutions containing a low degree of slime, such as organics, cellulose and algae, and permits stable, continuous pH measurement. Use with the cleaner control unit for fully automated operation.
The chemical cleaning method dissolves material adhering to the sensor surface. The predominant chemical used is hydrochloric acid, but other chemicals may be used if the composition of the deposit warrants it. Use with the cleaner control unit.
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