Cryogenic Temperature Sensors
Temperature range | Standard curve | Below 1 K | Can be used in radiation | Performance in magnetic field | ||
---|---|---|---|---|---|---|
Negative Temperature Coefficent RTDs | ||||||
Cernox® | ![]() | 0.10 K to 420 K | ■ | ■ | Excellent above 1 K | |
Germanium | ![]() | 0.05 K to 100 K | ■ | ■ | Not Recommended | |
Ultra-Low Temperature Rox™ | ![]() | <0.01 K to 40 K | ■ | ■ | Not recommended | |
Interchangable Rox™ | ![]() | <0.01 K to 40 K | ■ | ■ | ■ | Good below 1 K* |
Diodes | ||||||
Silicon | ![]() | 1.4 K to 500 K | ■ | Fair above 60 K | ||
GaAlAs | ![]() | 1.4 K to 500 K | Fair | |||
Positive Temperature Coefficient RTDs | ||||||
Platinum | ![]() | 14 K to 873 K | ■ | ■ | Fair above 30 K | |
Rhodium-Iron | ![]() | 1.4 K to 500 K | ■ | Not reccommended below 77 K | ||
Other | ||||||
Capacitance | ![]() | 1.4 K to 290 K | Excellent | |||
Thermocouples | ![]() | 1.2 K to 1543 K | ■ | Fair | ||
Specialty | ||||||
HR Series | ![]() | 20 K to 420 K | ■ | Excellent |
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)
- Full material traceability for 15 years
- Resistance and sensitivity data available for all sensors
- Reduce lead time
- Gain confidence from our test protocol
- No hidden costs—pay only for the sensors you buy