Lake Shore Model 331 Temperature Controller User’s Manual
Table 1-2. Typical Sensor Performance
Example Lake
Shore Sensor
Temp
Nominal
Resistance/
Voltage
Typical Sensor
Sensitivity
7
Measurement
Resolution:
Temperature
Equivalents
Electronic
Accuracy:
Temperature
Equivalents
Temperature
Accuracy
including
Electronic
Accuracy,
CalCurve™, and
Calibrated
Sensor
Electronic
Control
Stability
8
:
Temperature
Equivalents
Silicon Diode DT-670-SD-13
with 1.4H
calibration
1.4 K 1.644 V -12.49 mV/K 0.8 mK ±13 mK ±25 mK ±1.6 mK
77 K 1.028 V -1.73 mV/K 5.8 mK ±76 mK ±98 mK ±11.6 mK
300 K 0.5597 V -2.3 mV/K 4.4 mK ±47 mK ±79 mK ±8.8 mK
500 K 0.0907 V -2.12 mV/K 4.8 mK ±40 mK ±90 mK ±9.6 mK
Silicon Diode DT-470-SD-13
with 1.4H
calibration
1.4 K 1.6981 V -13.1 mV/K 0.8 mK ±13 mK ±25 mK ±1.6 mK
77 K 1.0203 V -1.92 mV/K 5.2 mK ±69 mK ±91 mK ±10.4 mK
300 K 0.5189 V -2.4 mV/K 4.2 mK ±45 mK ±77 mK ±8.4 mK
475 K 0.0906 V -2.22 mV/K 4.6 mK ±39 mK ±89 mK ±9.2 mK
GaAlAs
Diode
TG-120-SD
with 1.4H
calibration
1.4 K 5.391 V -97.5 mV/K 0.2 mK ±7 mK ±19 mK ±0.4 mK
77 K 1.422 V -1.24 mV/K 16.2 mK ±180 mK ±202 mK ±32.4 mK
300 K 0.8978 V -2.85 mV/K 7 mK ±60 mK ±92 mK ±14 mK
475 K 0.3778 V -3.15 mV/K 6.4 mK ±38 mK ±88 mK ±12.8 mK
100 Ω
Platinum
RTD 500 Ω
Full Scale
PT-103 with
1.4J calibration
30 K
3.660 Ω 0.191 Ω/K
10.5 mK ±23 mK ±33 mK ±21 mK
77 K
20.38 Ω 0.423 Ω/K
4.8 mK ±15 mK ±27 mK ±9.6 mK
300 K
110.35 Ω 0.387 Ω/K
5.2 mK ±39 mK ±62 mK ±10.4 mK
500 K
185.668 Ω 0.378 Ω/K
5.3 mK ±60 mK ±106 mK ±10.6 mK
Cernox™ CX-1050-SD-
HT
9
with 4M
calibration
4.2 K
3507.2 Ω -1120.8 Ω/K
36 µK ±1.4 mK ±6.4 mK ±72 µK
77 K
205.67 Ω -2.4116 Ω/K
16.6 mK ±76 mK ±92 mK ±33.2 mK
300 K
59.467 Ω -0.1727 Ω/K
232 mK ±717 mK ±757 mK ±464 mK
420 K
45.030 Ω -0.0829 Ω/K
483 mK ±1.42 K ±1.49 K ±966 mK
Germanium GR-200A-1000
with 1.4D
calibration
2 K
6674 Ω -9930 Ω/K
4 µK ±0.3 mK ±4.3 mK ±8 µK
4.2 K
1054 Ω -526 Ω/K
76 µK ±1 mK ±5 mK ±152 µK
10 K
170.9 Ω -38.4 Ω/K
1 mK ±4.4 mK ±9.4 mK ±2 mK
100 K
2.257 Ω -0.018 Ω/K
2.22 K ±5.61 K ±5.626 K ±4.44 K
Carbon-
Glass
CGR-1-2000
with 4L
calibration
4.2 K
2260 Ω -2060 Ω/K
20 µK ±0.5 mK ±4.5 mK ±40 µK
77 K
21.65 Ω -0.157 Ω/K
255 mK ±692 mK ±717 mK ±510 mK
300 K
11.99 Ω -0.015 Ω/K
2.667 K ±7 K ±7.1 K ±5.344 K
Thermo-
couple
50mV
Type K 75 K -5862.9 µV 15.6 µV/K 26 mK ±0.25 K
10
Calibration not
available from
Lake Shore
±52 mK
300 K 1075.3 µV 40.6 µV/K 10 mK ±0.038 K
10
±20 mK
600 K 13325 µV 41.7 µV/K 10 mK ±0.184 K
10
±20 mK
1505 K 49998.3 µV 36.006 µV/K 12 mK ±0.73 K
10
±24 mK
7
Typical sensor sensitivities were taken from representative calibrations for the sensor listed
8
Control stability of the electronics only, in an ideal thermal system
9
Non-HT version maximum temperature: 325 K
10
Accuracy specification does not include errors from room temperature compensation
Introduction 1-5