ST-300 & ST-300T compact cryostats
Designed for experiments with limited space, these cryostats are available in optical or non-optical configurations. The tail diameters can be specified to fit your experiment.
ST-300 datasheet

Standard configuration
Designed for experiments with limited space, the Lake Shore ST-300 optical and ST-300T include the following components:
Optical (ST-300)
- Compact optical vacuum shroud
- Compact optical radiation shield
- Four (4) 0.88 in clear view quartz windows
- Optical sample holder
- One (1) 10-pin electrical feedthrough
- Three (3) blank feedthrough ports
- Temperature sensor
- 6 ft superinsulated cryogen transfer line
- Control heater
- System test
Tubular (ST-300T)
- Compact tubular vacuum shroud (1.5 in O.D.)
- Compact tubular radiation shield
- Blank sample holder
- One (1) 10-pin electrical feedthrough
- Three (3) blank feedthrough ports
- Temperature sensor
- 6 ft superinsulated cryogen transfer line
- Control heater
- System test
Typical applications:
- Microscopy
- Narrow gap magnet
- Spectroscopy
- Hall studies
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ST-300/T specifications
Temperature range | ~2 K to 500 K (700 K optional) |
Initial cooldown time | 15 min |
Nominal temperature stability (with controller) | 50 mK or less |
Orientation | Any position (with increased helium consumption) |
System weight (without transfer line) | ~10 lb (4.6 kg) |
Cryogen consumption on cooldown | 0.4 L LHe (325 K to 4.2 K) 0.1 L LN2 (325 K to 77 K) |
Nominal cryogen consumption rate | 0.6 L/h LHe (5 K) |
NOTE: Specifications do not include optical or experimental heat loads and assume vertical orientation. Specifications may change depending on the length of the transfer line flexible section. |
Optional configurations
Other compact configurations:
- Rotatable window block
- O-ring sealed windows
- Vacuum shroud extensions
- High temperature (700 K)
- Subcompact vacuum shroud (shown below)