Lake Shore Cryotronics, Inc. Cryogenic Temperature Sensor Capacitance

Description
CS capacitance sensors are ideally suited for use as cryogenic temperature control sensors in strong magnetic fields because they exhibit virtually no magnetic field dependence. Displacement current is not affected by magnetic fields. Consequently, temperature control fluctuations are kept to a minimum when sweeping magnetic field or when changing field values under constant temperature operation. Because small variations in the capacitance/temperat ure curves occur upon thermal cycling, calibrations must be transferred to the capacitor from another sensor after cooling for the best accuracy. It is recommended that temperature in zero field be measured with another temperature sensor and that the capacitance sensor be employed as a control element only. Capacitance Features Virtually no magnetic field-induced errors Capable of mK control stability in the presence of strong magnetic fields Monotonic in C versus T to nearly room temperature
  • Cryogenic Temperature Sensor - Capacitance - Lake Shore Cryotronics, Inc.
    Lake Shore Cryotronics, Inc.
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Description
CS capacitance sensors are ideally suited for use as cryogenic temperature control sensors in strong magnetic fields because they exhibit virtually no magnetic field dependence. Displacement current is not affected by magnetic fields. Consequently, temperature control fluctuations are kept to a minimum when sweeping magnetic field or when changing field values under constant temperature operation. Because small variations in the capacitance/temperat ure curves occur upon thermal cycling, calibrations must be transferred to the capacitor from another sensor after cooling for the best accuracy. It is recommended that temperature in zero field be measured with another temperature sensor and that the capacitance sensor be employed as a control element only. Capacitance Features Virtually no magnetic field-induced errors Capable of mK control stability in the presence of strong magnetic fields Monotonic in C versus T to nearly room temperature
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Datasheet
Datasheet Summary
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The CS-501GR capacitance temperature sensor from Lake Shore Cryotronics, Inc. is designed for cryogenic applications, particularly in environments with strong magnetic fields. It features minimal magnetic field-induced errors, ensuring stable temperature control with fluctuations kept to a minimum during magnetic field sweeps. The sensor operates effectively within a temperature range of 1.4 K to 290 K and has a nominal capacitance of 6.1 nF with a sensitivity of 26 pF/K. Calibration is essential for accurate readings, as variations in capacitance/temperature curves can occur due to thermal cycling. It is recommended to use another temperature sensor for initial measurements in zero field conditions. The CS-501GR exhibits long-term stability with an expected drift of ±1.0 K per year and requires a stabilization period after cooling to minimize short-term drift. The sensor's physical dimensions are 3.0 mm in diameter and 8.5 mm in length, with a mass of 260 mg.

Datasheet Summary
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The CS-501GR capacitance temperature sensor from Lake Shore Cryotronics, Inc. is designed for cryogenic applications, particularly in environments with strong magnetic fields. It features minimal magnetic field-induced errors, ensuring stable temperature control with fluctuations kept to a minimum during magnetic field sweeps. The sensor operates effectively within a temperature range of 1.4 K to 290 K and has a nominal capacitance of 6.1 nF with a sensitivity of 26 pF/K. Calibration is essential for accurate readings, as variations in capacitance/temperature curves can occur due to thermal cycling. It is recommended to use another temperature sensor for initial measurements in zero field conditions. The CS-501GR exhibits long-term stability with an expected drift of ±1.0 K per year and requires a stabilization period after cooling to minimize short-term drift. The sensor's physical dimensions are 3.0 mm in diameter and 8.5 mm in length, with a mass of 260 mg.

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Cryogenic Temperature Sensor - Capacitance - Lake Shore Cryotronics, Inc.
Lake Shore Cryotronics, Inc.
Westerville, OH, United States
Cryogenic Temperature Sensor
Capacitance
Cryogenic Temperature Sensor Capacitance
CS capacitance sensors are ideally suited for use as cryogenic temperature control sensors in strong magnetic fields because they exhibit virtually no magnetic field dependence. Displacement current is not affected by magnetic fields. Consequently, temperature control fluctuations are kept to a minimum when sweeping magnetic field or when changing field values under constant temperature operation. Because small variations in the capacitance/temperat ure curves occur upon thermal cycling, calibrations must be transferred to the capacitor from another sensor after cooling for the best accuracy. It is recommended that temperature in zero field be measured with another temperature sensor and that the capacitance sensor be employed as a control element only. Capacitance Features Virtually no magnetic field-induced errors Capable of mK control stability in the presence of strong magnetic fields Monotonic in C versus T to nearly room temperature

CS capacitance sensors are ideally suited for use as cryogenic temperature control sensors in strong magnetic fields because they exhibit virtually no magnetic field dependence. Displacement current is not affected by magnetic fields. Consequently, temperature control fluctuations are kept to a minimum when sweeping magnetic field or when changing field values under constant temperature operation.

Because small variations in the capacitance/temperature curves occur upon thermal cycling, calibrations must be transferred to the capacitor from another sensor after cooling for the best accuracy. It is recommended that temperature in zero field be measured with another temperature sensor and that the capacitance sensor be employed as a control element only.

Capacitance Features

  • Virtually no magnetic field-induced errors
  • Capable of mK control stability in the presence of strong magnetic fields
  • Monotonic in C versus T to nearly room temperature
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Technical Specifications

  Lake Shore Cryotronics, Inc.
Product Category Cryogenic Equipment
Product Number Capacitance
Product Name Cryogenic Temperature Sensor
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