Accurate Conductivity and Temperature Sensor
The Accurate Conductivity Temperature sensor consists of a conductivity sensor, a thermistor encased in an Inconel 625 tube, and a compensating resistor potted into a stainless steel tube.
The thermistor is a GE Sensing Thermometrics BR11. Data Sheet. |
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Features
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Thermistor has a resistance at 25 deg C of 100K ohms, plus or minus 20K ohms. |
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Thermal time constant will be calculated once the sensor is put in operation and tested. |
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Conductivity sensor manufactured by PME |
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Provides a convenient calibration reference for the faster sensors, especially the Fast Conductivity sensor. |
Because of its small size, the Fast Conductivity sensor suffers from drift induced by fouling. The Accurate Conductivity sensor is much larger, has much larger electrodes, and resists fouling. Information from this sensor can be used to determine if the Fast Conductivity sensor is reporting correct values during a profile and to provide information to correct the Fast Conductivity sensor if it is not.
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