Lakeshore 325 User Manual page 5

Temperature controller
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Typical Sensor Performance – see Appendix F for sample calculations of typical sensor performance
Example
Lake Shore
Sensor
Silicon Diode
DT-670-SD-13
with 1.4H
calibration
Silicon Diode
DT-470-SD-13
with 1.4H
calibration
GaAlAs Diode
TG-120-SD
with 1.4H
calibration
100 Ω Platinum RTD
PT-103
500 Ω Full Scale
with 1.4J
calibration
Cernox™
CX-1050-SD-HT
with 4M
calibration
Germanium
GR-200A-1000
with 1.4D
calibration
Carbon-Glass
CGR-1-2000
with 4L
calibration
Thermocouple
Type K
50 mV
Typical sensor sensitivities were taken from representative calibrations for the sensor listed
7
8
Control stability of the electronics only, in an ideal thermal system
Non-HT version maximum temperature: 325 K
9
10
Accuracy specification does not include errors from room temperature compensation
www.lakeshore.com Lake Shore Cryotronics, Inc. (614) 891-2244 fax: (614) 818-1600 e-mail: info@lakeshore.com
Temp
Nominal
Resistance/
Voltage
1.4 K
1.644 V
-12.49 mV/K
77 K
1.028 V
300 K
0.5597 V
500 K
0.0907 V
1.4 K
1.6981 V
77 K
1.0203 V
300 K
0.5189 V
475 K
0.0906 V
1.4 K
5.391 V
77 K
1.422 V
300 K
0.8978 V
475 K
0.3778 V
30 K
3.660 Ω
77 K
20.38 Ω
110.35 Ω
300 K
185.668 Ω
500 K
3507.2 Ω
-1120.8 Ω/K
4.2 K
9
205.67 Ω
-2.4116 Ω/K
77 K
59.467 Ω
-0.1727 Ω/K
300 K
45.030 Ω
-0.0829 Ω/K
420 K
2 K
6674 Ω
4.2 K
1054 Ω
10 K
170.9 Ω
100 K
2.257 Ω
2260 Ω
4.2 K
21.65 Ω
77 K
11.99 Ω
300 K
75 K
-5862.9 µV
300 K
1075.3 µV
600 K
13325 µV
1505 K
49998.3 µV
36.006 µV/K
Typical
Measurement
Sensor
Resolution:
Sensitivity
Temperature
7
Equivalents
0.8 mK
-1.73 mV/K
5.8 mK
-2.3 mV/K
4.4 mK
-2.12 mV/K
4.8 mK
-13.1 mV/K
0.8 mK
-1.92 mV/K
5.2 mK
-2.4 mV/K
4.2 mK
-2.22 mV/K
4.6 mK
-97.5 mV/K
0.2 mK
-1.24 mV/K
16.2 mK
-2.85 mV/K
7 mK
-3.15 mV/K
6.4 mK
0.191 Ω/K
10.5 mK
0.423 Ω/K
4.8 mK
0.387 Ω/K
5.2 mK
0.378 Ω/K
5.3 mK
36 µK
16.6 mK
232 mK
483 mK
-9930 Ω/K
4 µK
-526 Ω/K
76 µK
-38.4 Ω/K
1 mK
-0.018 Ω/K
2.22 K
-2060 Ω/K
20 µK
-0.157 Ω/K
255 mK
-0.015 Ω/K
2.667 K
15.6 µV/K
26 mK
40.6 µV/K
10 mK
41.7 µV/K
10 mK
12 mK
Electronic
Temperature
Accuracy:
Accuracy including
Temperature
Electronic Accuracy,
Equivalents
CalCurve™, and
Calibrated Sensor
±13 mK
±25 mK
±76 mK
±98 mK
±47 mK
±79 mK
±40 mK
±90 mK
±13 mK
±25 mK
±69 mK
±91 mK
±45 mK
±77 mK
±39 mK
±89 mK
±7 mK
±19 mK
±180 mK
±202 mK
±60 mK
±92 mK
±38 mK
±88 mK
±23 mK
±33 mK
±15 mK
±27 mK
±39 mK
±62 mK
±60 mK
±106 mK
±1.4 mK
±6.4 mK
±76 mK
±92 mK
±717 mK
±757 mK
±1.42 K
±1.49 K
±0.3 mK
±4.3 mK
±1 mK
±5 mK
±4.4 mK
±9.4 mK
±5.61 K
±5.626 K
±0.5 mK
±4.5 mK
±692 mK
±717 mK
±7 K
±7.1 K
±0.25 K
Calibration not available
10
±0.038 K
from Lake Shore
10
±0.184 K
10
±0.73 K
10
Electronic Control
Stability
:
8
Temperature
Equivalents
±1.6 mK
±11.6 mK
±8.8 mK
±9.6 mK
±1.6 mK
±10.4 mK
±8.4 mK
±9.2 mK
±0.4 mK
±32.4 mK
±14 mK
±12.8 mK
±21 mK
±9.6 mK
±10.4 mK
±10.6 mK
±72 µK
±33.2 mK
±464 mK
±966 mK
±8 µK
±152 µK
±2 mK
±4.44 K
±40 µK
±510 mK
±5.334 K
±52 mK
±20 mK
±20 mK
±24 mK
5

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