Products
ST-300 & ST-300T Compact Cryostats
Overview
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.
Standard Configuration
Designed for experiments with limited space, the Janis Research ST-300 optical (drawing shown on the next page) and ST-300T (standard version not shown), include the following components:
Standard Optical ST-300 Cryostat Mechanical Drawing
Optical (ST-300)
- Compact optical vacuum shroud
- Compact optical radiation shield
- Four (4) 0.88" clear view quartz windows
- Optical sample holder
- One (1) 10-pin electrical feedthrough
- Three (3) blank feedthrough ports
- Temperature sensor
- 6' superinsulated cryogen transfer line
- Control heater
- System test
Tubular (ST-300T)
- Compact tubular vacuum shroud (1.5" O.D.)
- Compact tubular radiation shield
- Blank sample holder
- One (1) 10-pin electrical feedthrough
- Three (3) blank feedthrough ports
- Temperature sensor
- 6' superinsulated cryogen transfer line
- Control heater
- System test
Typical Applications:
- Microscopy
- Narrow Gap Magnet
- Spectroscopy
- Hall Studies
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Specifications
| Specification | SuperTran
(Sample in Vacuum) |
| Temperature Range | <2-325 K (500 K, >700 K optional) |
| Initial Cooldown Time | 15 minutes |
| Nominal Temperature Stability (with controller) | 50 mK or less |
| Orientation | any position (with increased helium consumption) |
| System Weight (without transfer line) | 10 lbs (4.6 kg) |
| Cryogen Consumption on Cooldown | 0.4L LHe (325 - 4.2 K)
0.1L LN2 (325 - 77 K) |
| Nominal Cryogen Consumption Rate | 0.5 L/Hr LHe (5 K)
0.1 L/Hr LN2 (100 K) |
| NOTE: Specifications do not include optical or experimental heat loads and assume vertical orientation. |
Typical Cryogen Consumption of Optical SuperTran Cryostats
Other Configurations
Other Compact Configurations:
- Rotatable window block
- O-ring sealed windows
- Vacuum shroud extensions
- High temperature (500 K)
- Subcompact vacuum shroud (shown below)
ST-300 with optional sub-compact window block for use in small bore magnet
ST300T with a 6-way Triax break-out box
Special Compact ST-300 with (4) Windows
ST-300 with Optional Mounting Plate
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