Cryogenic Temperature Sensors

DT-670-SD features

• Best accuracy across the widest useful temperature range—1.4 K to 500 K—of any silicon diode in the industry 
• Tightest tolerances for applications from 30 K to 500 K of any silicon diode to date
• Rugged, reliable Lake Shore  SD package designed to withstand repeated thermal cycling and minimize sensor self-heating
• Conformance to standard Curve DT-670 temperature response curve
• Variety of packaging options

• Temperature range: 1.4 K to 500 K
• Bare die sensors with the smallest size and fastest thermal response time of any silicon diode on the market today
• Non-magnetic sensor

• Temperature range: 1.4 K to 325 K*
• Non-magnetic package
• Exposed flat substrate for surface mounting

*Calibrated down to 1.4 K, uncalibrated (Curve DT-670) to 20 K

TG-120-SD Features

• Monotonic temperature response from 1.4 K to 500 K
• Excellent sensitivity (dV/dT) at temperatures below 50 K
• Relatively low magnetic field-induced errors
• Rugged, reliable Lake Shore SD package designed to withstand repeated thermal cycling and minimize sensor self-heating
• Variety of packaging options

TG-120-P Features

• Temperature range: 1.4 K to 325 K
• Reproducibility at 4.2 K: ±10 mK

TG-120-PL Features

• Temperature range: 1.4 K to 325 K
• Small mass for rapid thermal response

*Patent # 4,643,589, Feb 87, “Thermometry Employing Gallium Aluminum Arsenide Diode Sensor” Lake Shore Cryotronics, Inc.

Cernox® Features

• Low magnetic field- induced errors
• Temperature range of 100 mK to 420 K (model dependent)
• High sensitivity at low temperatures and good sensitivity over a broad range
• Excellent resistance to ionizing radiation
• Bare die cryogenic temperature sensor with fast characteristic thermal response times: 1.5 ms at 4.2 K, 50 ms at 77 K
• Broad selection of models to meet your thermometry needs
• Excellent stability
• Non-magnetic package options available (AA, BC, BG, BR)
• Variety of packaging options

Temporarily unavailable — please consider Cernox® as an alternative.

Germanium Features

• Recognized as a “Secondary Standard Thermometer”
• High sensitivity provides submillikelvin control at 4.2 K and below
• Excellent reproducibility better than ±0.5 mK at 4.2 K
• Various models for use from 0.05 K to 100 K
• Excellent resistance to ionizing radiation
  

RX-102B-RS Features

• Useful below 10 mK; calibrations down to 10 mK available
• Include additional extrapolated points to 5 mK
• Optical shielding reduces unwanted sensor heating

RX-102B-CB Features

• Useful down to 10 mK; calibrations down to 20 mK available
• Leads thermally anchored to package body

RX-102A Features

• Standard curve interchangeable
• Good radiation resistance
• Useful down to 50 mK
• Low magnetic field-induced errors

RX-202A Features

• Standard curve interchangeable
• Good radiation resistance
• Monotonic from 50 mK to 300 K
• 4× improvement in magnetic field-induced errors over other ruthenium oxides

RX-103A Features

• Standard curve interchangeable
• Good radiation resistance
• Best choice for interchangeability from 1.4 K to 40 K
• Low magnetic field-induced errors

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

*Patent #3,649,891, exclusively assigned to Lake Shore Cryotronics, Inc.

Thermocouple Features

Type E (Chromel-Constantan)

Has the highest sensitivity among the three standard thermocouple types typically used at low temperatures (types E, K, and T). The best choice for temperatures down to 40 K.

Type K (Chromel-Alumel)

Recommended for continuous use in inert atmospheres. Has a sensitivity of 4.1 mV/K at 20 K (about ½ of Type E). 

Platinum Features

• Temperature range: 14 K to 873 K (model dependant)
• Conforms to IEC 751 standards down to 70 K
• High reproducibility: ±5 mK at 77 K
• Low magnetic field dependence above 40 K
• Excellent for use in ionizing radiation
• SoftCal™ calibration available
• Non-magnetic packages available (all PT-102 and PT-103 variants)