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Home > Products > Cryogenic Temperature Sensors > Cryogenic Instrument Selection Guide
 
Cryogenic Instrument Selection Guide
 
How to Select a Temperature Instrument for Your Application

Lake Shore offers the most comprehensive line of cryogenic temperature instruments in the world. The instruments described in this section are designed and manufactured for both general and specific temperature research applications in mind. For much of its 35-year history, Lake Shore has focused on instrumentation used for the precise measurement of temperatures from near absolute zero to well above room temperature.

Unfortunately, you can’t have it all in one instrument. The most precise and accurate temperature instruments optimized for operation below 100 mK work with fewer cryogenic temperature sensors and provide lower heater power. The stable and high-resolution instruments designed for general cryogenic use work well for nearly any application, but can have limitations in rare circumstances. Choosing the appropriate instrument for a particular application necessitates prioritizing the requirements for that application.

Any one or several of the following factors may be important to you in selecting an instrument, whether temperature control or temperature monitoring is required:
 

Operating temperature range

Number of sensor inputs

Sensor type compatibility

Sensor input resistance and voltage ranges

Current excitation ranges and methods

High measurement resolution

High electronic accuracy

Control stability

Number of reading displays

 
Interfaces
  • Ethernet
  • USB
  • IEEE-488
  • RS-232C
  • Alarms
  • Relays
  • Analog Outputs
  • Digital I/O
  • Data logging
 

Number of control loops, control type, and operating parameters

Heater power and ranges

Low cost

The table is designed to compare the instruments more easily with regard to sensor compatibility, operating temperature range, control capability, display features, and interface flexibility.
 
 
 
Number of Sensor Inputs
1 - 161
4
2 - 101
2
2
2
2
Number of User Curves
20
39
40
20
20
20
15
Minimum Operating Temperature
<20 mK
300 mK
100 mK
500 mK
1.2 K
1.2 K
1.2 K
Maximum Operating Temperature
420 K
1505 K
1505 K
1505 K
1505 K
1505 K
1505 K
Temperature Range (K)            
Silicon Diodes
       DT-670-SD
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
       DT-670E-BR
30 - 500
30 - 500
30 - 500
30 - 500
30 - 500
30 - 500
       DT-414
1.4 - 375
1.4 - 375
1.4 - 375
1.4 - 375
1.4 - 375
1.4 - 375
       DT-421
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
       DT-470-SD
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
       DT-471-SD
10 - 500
10 - 500
10 - 500
10 - 500
10 - 500
10 - 500
GaAlAs Diodes
       TG-120-P
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
       TG-120-PL
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
       TG-120-SD
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
Platinum PTC RTD
       PT-102/3
14 - 873
14 - 873
14 - 873
14 - 873
14 - 873
14 - 873
       PT-111
14 - 673
14 - 673
14 - 673
14 - 673
14 - 673
14 - 673
Rhodium-Iron PTC RTD
       RF-800-4
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
       RF-100T/U
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
Cernox™ NTC RTD
       CX-1010
0.1 - 300
0.3 - 420
0.3 - 325
0.6 - 325
2 - 325
2 - 325
2 - 325
       CX-1030-HT
0.3 - 420
0.3 - 420
0.3 - 420
1 - 420
3.5 - 420
3.5 - 420
3.5 - 420
       CX-1050-HT
1.4 - 420
1.4 - 420
1.4 - 420
1.4 - 420
4 - 420
4 - 420
4 - 420
       CX-1070-HT
4.2 - 420
4 - 420
4.2 - 420
4 - 420
15 - 420
15 - 420
15 - 420
       CX-1080-HT
20 - 420
20 - 420
20 - 420
20 - 420
50 - 420
50 - 420
50 - 420
Germanium NTC RTD
       GR-200A-30
0.05 - 5
0.1 - 5
       GR-200A-50
0.1 - 40
0.2 - 40
       GR-200A-100
0.3 - 40
0.3 - 100
0.3 - 100
0.5 - 100
       GR-200A-250
0.5 - 100
0.5 - 100
0.5 - 100
0.8 - 100
       GR-200A/B-500
1.4 - 100
1.4 - 100
1.4 - 100
1.4 - 100
       GR-200A/B-1000
1.4 - 100
1.4 - 100
1.4 - 100
1.4 - 100
2.2 - 100
2.2 - 100
2.2 - 100
       GR-200A/B-1500
1.4 - 100
1.4 - 100
1.4 - 100
1.4 - 100
2.6 - 100
2.6 - 100
2.6 - 100
       GR-200A/B-2500
1.4 - 100
1.4 - 100
1.4 - 100
1.6 - 100
3.1 - 100
3.1 -100
3.1 - 100
Carbon-Glass NTC RTD
       CGR-1-500
1.4 - 325
1.4 - 325
1.4 - 325
1.9 - 325
4 - 325
4 - 325
4 - 325
       CGR-1-1000
1.4 - 325
1.7 - 325
1.7 - 325
2.2 - 325
5 - 325
5 - 325
5 - 325
       CGR-1-2000
1.4 - 325
2 - 325
2 - 325
2.5 - 325
6 - 325
6 - 325
6 - 325
Ruthenium Oxide NTC RTD
       RX-102A
0.05 - 40
0.3 - 40
0.1 - 40
0.5 - 40
1.4 - 40
1.4 - 40
1.4 - 40
       RX-102B
0.01 - 40
0.3 - 40
0.1 - 40
0.5 - 40
1.4 - 40
1.4 - 40
1.4 - 40
       RX-103A
1.4 - 40
1.4 - 40
1.4 - 40
1.4 - 40
       RX-202A
0.05 - 40
0.3 - 40
0.1 - 40
0.5 - 40
Thermocouple
       Type K
3.2 - 1505
3.2 - 1505
3.2 - 1505
3.2 - 1505
3.2 - 1505
3.2 - 1505
       Type E
3.2 - 934
3.2 - 934
3.2 - 934
3.2 - 934
3.2 - 934
3.2 - 934
       0.07% Chromel-Gold/Iron
1.2 - 610
1.2 - 610
1.2 - 610
1.2 - 610
1.2 - 610
1.2 - 610
Capacitance
       CS-501
1.4 - 290
1 Optional input card or scanner              
 
 
       Current Reversal
Yes
Yes
Yes
Yes
Yes
Yes
Yes
       Current Excitation Autoranging
Yes
Yes
Yes
Yes
Excitation Current Ranges
       31.6 mA, 10 mA, 3.16 mA
Yes
       1 mA
Yes
Yes
Yes
Yes
Yes
Yes
Yes
       500 µA
       316 µA
Yes
Yes
Yes
       100 µA
Yes
Yes
Yes
Yes
       31.6 µA
Yes
Yes
Yes
       10 µA
Yes
Yes
Yes
Yes
Yes
Yes
Yes
       3.16 µA
Yes
Yes
Yes
       1 µA
Yes
Yes
Yes
Yes
       316 nA
Yes
Yes
Yes
       100 nA
Yes
Yes
Yes
       31.6 nA
Yes
Yes
       10 nA, 3.16 nA, 1.0 nA, 316 pA,
       100 pA, 31.6 pA, 10 pA, 3.16 pA
Yes
       Number of Reading Displays
1 - 8
1 - 8
1 - 8
1 - 4
1 - 4
1 - 4
1 - 4
Interfaces
       Ethernet
Yes
       USB
Yes
       IEEE-488.2
Yes
Yes
Yes
Yes
Yes
Yes
       RS-232C
Yes
Yes
Yes
Yes
Yes
Yes
Yes
       Number of Alarms
32
4
2
4
4
4
       Number of Relays
2
2
2
2
2
       Analog Voltage Output
2 at ±10 V
2 at ±10 V
2 at ±10 V
±10 V
±10 V
0 - 10 V
       Number of Digital I/O
5
       Data Logging
Yes
       Datacard
Yes
       Number of Autotuning
       Control Loops
1
2
2
2
2
1
2
Maximum Heater Output Power
       Control Loop 1
1 W
100 W
100 W
50 W
50 W
50 W
25 W
       Control Loop 2
50 W
1 W
10 W
1 W
2 W
       Number of Heater Ranges
8
3
5
3
3
3
2
               
             
 
 
Number of Sensor Inputs
8
8
1
1
1
1
Number of User Curves
8
8
1
1
1
1
Minimum Operating Temperature
1.4 K
1.4 K
1.4 K
100 mK
1.4 K
1.4 K
Maximum Operating Temperature
800 K
800 K
800 K
420 K
800 K
500 K
Temperature Range (K)          
Silicon Diodes
       DT-670-SD
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
       DT-670E-BR
30 - 500
30 - 500
30 - 500
30 - 500
       DT-414
1.4 - 375
1.4 - 375
1.4 - 375
1.4 - 375
       DT-421
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
       DT-470-SD
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
       DT-471-SD
10 - 500
10 - 500
10 - 500
10 - 500
GaAlAs Diodes
       TG-120-P
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
       TG-120-PL
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
       TG-120-SD
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
Platinum PTC RTD
       PT-102/3
14 - 873
14 - 873
14 - 873
14 - 873
       PT-111
14 - 673
14 - 673
14 - 673
14 - 673
Rhodium-Iron PTC RTD
       RF-800-4
1.4 - 500
1.4 - 500
1.4 - 500
1.4 - 500
       RF-100T/U
1.4 - 325
1.4 - 325
1.4 - 325
1.4 - 325
Cernox™ NTC RTD
       CX-1010
2 - 325
2 - 325
2 - 325
0.3 - 325
       CX-1030-HT
3.5 - 420
3.5 - 420
3.5 - 420
0.3 - 420
       CX-1050-HT
4 - 420
4 - 420
4 - 420
1.4 - 420
       CX-1070-HT
15 - 420
15 - 420
15 - 420
4.2 - 420
       CX-1080-HT
50 - 420
50 - 420
50 - 420
20 - 420
Germanium NTC RTD
       GR-200A-30
0.1 - 5
       GR-200A-50
0.2 - 40
       GR-200A-100
0.3 - 100
       GR-200A-250
0.5 - 100
       GR-200A/B-500
1.4 - 100
       GR-200A/B-1000
2.2 - 100
2.2 - 100
2.2 - 100
1.4 - 100
       GR-200A/B-1500
2.6 - 100
2.6 - 100
2.6 - 100
1.4 - 100
       GR-200A/B-2500
3.1 - 100
3.1 - 100
3.1 - 100
1.4 - 100
Carbon-Glass NTC RTD
       CGR-1-500
4 - 325
4 - 325
4 - 325
1.4 - 325
       CGR-1-1000
5 - 325
5 - 325
5 - 325
1.7 - 325
       CGR-1-2000
6 - 325
6 - 325
6 - 325
2 - 325
Ruthenium Oxide NTC RTD
       RX-102A
1.4 - 40
1.4 - 40
1.4 - 40
0.1 - 40
       RX-103A
1.4 - 40
       RX-202A
0.1 - 40
       
 
 
       Current Reversal
Yes
       Current Excitation Autoranging
Yes
Excitation Current Ranges
       1 mA
Yes
Yes
Yes
Yes2
       500 µA
Yes2
Yes
       316 µA
Yes2
       100 µA
Yes2
       31.6 µA
Yes2
       10 µA
Yes
Yes
Yes
Yes2
Yes
       3.16 µA
Yes2
       1 µA
Yes2
       316 nA
Yes2
       100 nA
Yes2
       31.6 nA
Yes2
       Number of Reading Displays
1 - 8
1 - 8
1
1
Interfaces
       IEEE-488.2
Yes
       RS-232C
Yes
Yes
Yes
Yes
       Number of Alarms
16
16
2
       Number of Relays
8
2
       Analog Voltage Output
2 at ±10 V
0 - 10 V
0 - 10 V
0 - 10 V
0 - 10 V
       4 – 20 mA Output
Yes
Yes
Yes
Yes
       Data Logging
Yes
Yes
2 Uses 5 mV or 10 mV constant voltage
 
 
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