Lakeshore 211 - Table 1-2. Sensor Input Performance Chart

Lake Shore Model 211 User’s Manual
1-
6
Introduction
Table 1-2. Sensor Input Performance Chart
Sensor Type
Silicon Diode
GaAlAs Diode
Temperature Coefficient
Negative
Negative
Sensor Units
volts (V)
volts (V)
Input Range
0 – 2.5 V
0 – 7.5 V
Sensor Excitation (Constant Current)
10 µA ±0.01%
10 µA ±0.01%
Display Resolution (Sensor Units)
100 µV
100 µV
Example Lake Shore Sensor
DT-670-SD
with 1.4H calibration
TG-120SD
with 1.4H calibration
Temperature Range
1.4 – 475 K
1.4 – 475 K
Standard Sensor Curve
DT-670
Requires calibration
Typical Sensor Sensitivity
–31.6 mV/K at 4.2 K
–1.73 mV/K at 77 K
–2.3 mV/K at 300 K
–2.12 mV/K at 500 K
–180 mV/K at 10 K
–1.25 mV/K at 77 K
–2.75 mV/K at 300 K
–2.75 mV/K at 475 K
Measurement Resolution:
Sensor Units
Temperature Equivalence
20 µV
0.6 mK at 4.2 K
11.6 mK at 77 K
8.7 mK at 300 K
9.4 mK at 500 K
20 µV
1 mK at 10 K
16 mK at 77 K
10 mK at 300 K
10 mK at 475 K
Electronic Accuracy:
Sensor Units
Temperature Equivalence
±160 µV ±0.01% rdg
±10 mK at 4.2 K
±152 mK at 77 K
±94 mK at 300 K
±80 mK at 500 K
±160 µV ±0.02% rdg
±6 mK at 10 K
±300 mK at 77 K
±150 mK at 300 K
±110 mK at 475 K
Temperature Coefficient
±10 µV ±5 PPM
of reading per °C
±20 µV ±5 PPM
of reading per °C
Temperature Accuracy
including electronic accuracy,
CalCurve™ and calibrated
sensor
±31 mK at 4.2 K
±267 mK at 77 K
±154 mK at 300 K
±140 mK at 500 K
±21 mK at 10 K
±390 mK at 77 K
±140 mK at 300 K
±210 mK at 475 K
Magnetic Field Use
Recommended for
T > 60 K & B < 3 T
Recommended for
T > 4.2 K & B < 5 T