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A resistivity sensor is an analytical instrument designed for monitoring resistivity in ultrapure water (UPW) used in microelectronics and semiconductor manufacturing. Resistivity is the reciprocal measure of conductivity, and quantifies how strongly a given material opposes the flow of electrical current. Resistivity analyzers provide a critical measurement to ensure that water used in electronics manufacturing does not carry ions that can damage the product during production.
The UniCond family of resistivity sensors use an advanced, built-in measurement circuit to provide exceptional accuracy and reduce the risk of interference.
METTLER TOLEDO resistivity sensors are trusted globally by semi fabs to help maintain their UPW systems and prevent water system problems that could negatively affect production yield.
Resistivity sensors with Intelligent Sensor Management (ISM) store calibration data and other sensor information in the sensor to enable fast, plug and measure start-up.
ISM resistivity sensors provide sensor diagnostics that identify out-of-spec performance with your resistivity sensor to improve process control.
UPW has a resistivity of 18.18 Megohm-cm, and METTLER TOLEDO resistivity sensors can accurately detect very small resistivity changes on a non-zero background.
With constantly narrowing linewidths, METTLER TOLEDO resistivity sensors meet the challenging UPW standards with accurate and stable measurements.
A resistivity sensor is an in-line sensor that provides a continuous measurement of resistivity in a water system. This measurement is often used in electronics manufacturing to monitor and control the purity of ultrapure water (UPW). METTLER TOLEDO resistivity sensors and probes are specially designed to measure accurately in low conductivity waters.
Resistivity sensors can integrate with any appropriate METTLER TOLEDO water transmitter that is suitable for conductivity or resistivity. These resistivity and conductivity transmitters include the M200, M300 Water and M800 Water transmitters. The exact transmitter for your application should be selected in consultation with your local METTLER TOLEDO representative.