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Sensor Temperature Range (sensors sold separately)

Cernox® thin-film RTDs offer high sensitivity and low magnetic field-induced errors over the 2 K to 420 K temperature range. Cernox sensors require calibration.

Silicon diodes are the best choice for general cryogenic use from 1.4 K to above room temperature. Diodes are economical to use because they follow a standard curve and are interchangeable in many applications. They are not suitable for use in ionizing radiation or magnetic fields.

Platinum RTDs offer high uniform sensitivity from 30 K to over 800 K. With excellent reproducibility, they are useful as thermometry standards. They follow a standard curve above 70 K and are interchangeable in many applications.

  ModelUseful range Magnetic field use
Negative temperature coefficient RTDsCernox®CX-10100.3 K to 325 K1T > 2 K & B ≤ 19 T
Cernox®CX-1030-HT0.3 K to 420 K1.3T > 2 K & B ≤ 19 T
Cernox®CX-1050-HT1.4 K to 420 K1T > 2 K & B ≤ 19 T
Cernox®CX-1070-HT4 K to 420 K1T > 2 K & B ≤ 19 T
Cernox®CX-1080-HT20 K to 420 K1T > 2 K & B ≤ 19 T
GermaniumGR-300-AA0.35 K to 100 K3Not recommended
GermaniumGR-1400-AA1.8 K to 100 K3Not recommended
Carbon-glassCGR-1-5001.4 K to 325 KT > 2 K & B ≤ 19 T
Carbon-glassCGR-1-10001.7 K to 325 K2T > 2 K & B ≤ 19 T
Carbon-glassCGR-1-20002 K to 325 K2T > 2 K & B ≤ 19 T
Rox™RX-1020.3 K to 40 K3T > 2 K & B ≤ 10 T
Rox™RX-1031.4 K to 40 KT > 2 K & B ≤ 10 T
Rox™RX-2020.3 K to 40 K3T > 2 K & B ≤ 10 T
DiodesSilicon diode DT-670-SD1.4 K to 500 K T ≥ 60 K & B ≤ 3 T
Silicon diodeDT-670E-BR30 K to 500 KT ≥ 60 K & B ≤ 3 T
Silicon diodeDT-4141.4 K to 375 KT ≥ 60 K & B ≤ 3 T
Silicon diodeDT-4211.4 K to 325 KT ≥ 60 K & B ≤ 3 T
Silicon diodeDT-470-SD1.4 K to 500 KT ≥ 60 K & B ≤ 3 T
Silicon diodeDT-471-SD10 K to 500 KT ≥ 60 K & B ≤ 3 T
GaAlAs diode TG-120-P1.4 K to 325 KT > 4.2 K & B ≤ 5 T
GaAlAs diodeTG-120-PL1.4 K to 325 KT > 4.2 K & B ≤ 5 T
GaAlAs diodeTG-120-SD1.4 K to 500 KT > 4.2 K & B ≤ 5 T
Positive temperature coefficient RTDs100 Ω platinum PT-102/314 K to 873 KT > 40 K & B ≤ 2.5 T
100 Ω platinum PT-11114 K to 673 KT > 40 K & B ≤ 2.5 T
Rhodium-ironRF-800-41.4 K to 500 KT > 77 K & B ≤ 8 T
Rhodium-ironRF-100T/U1.4 K to 325 KT > 77 K & B ≤ 8 T

1 Non-HT version maximum temperature: 325 K
2 Low temperature limited by input resistance range
3 Low temperature specified with self-heating error: ≤5 mK