Product Matrix

Janis Research offers a complete range of both cryogen-cooled and cryogen-free equipment for low temperature research. Please refer to the charts below for help in choosing the right system for your application, or contact a Janis sales engineer for assistance. Our expert staff includes many with advanced degrees and extensive field experience, covering a broad range of applications. A Janis engineer will work closely with you to help choose the system most ideally matched to your experimental requirements and budget.

Why choose Janis Research?

Questions to help you decide the best equipment for your application.

Including:
Why choose a cryogen-cooled cryostat?
Reasons to choose sample in vacuum
Reasons to choose sample in vapor

Laboratory Cryosystems Selection Guide - using operating temperature range

Laboratory Cryogenic Systems Guide - using various specifications

Click on the model names in the chart below to go to those pages.

Click here to go to our main Cryocoolers web page. Click here to go to our Model VPF liquid nitrogen variable temperature cryostats web page. Click here to go to our Model VNF liquid nitrogen variable temperature cryostat web page. Click here to go to our Model SVT-400 SuperVariTemp reservoir cryostat web page. Click here to go to our SuperVariTemp reservoir cryostats systems web page. Click here to go to our SuperTran continuous flow cryostats systems web page. Click here to go to our SuperTran-VP continuous flow cryostat systems web page.Product Matrix



Why choose a cryogen-cooled cryostat?

The choice of cryogen cooling vs. mechanical cooling is a function of several factors, the most important of which will depend on each customer's individual requirements.  Reasons to choose a cryogen-cooled system include:

  • Low initial purchase price
  • Inherently lower vibration
  • Lower base temperatures
  • Faster cool down with most models
  • Acoustically quiet
  • Greater flexibility in design parameters
  • No scheduled maintenance requirements

Reasons to choose sample in vacuum:

  • Lowest purchase and operating cost
  • Simplest system design
  • Faster cool down time
  • Fewer windows in the optical path

Reasons to choose sample in vapor:

  • Fastest sample exchange time
  • Effectively cools low thermal conductivity samples (e.g. powders, liquids)

Note: These are general guidelines only. There are often several suitable cryostat options for a particular application. Contact Janis for detailed information.

Product Matrix

Laboratory Cryogenic Systems Guide


ST
STVP
SVT
VT
IMMERSION
VNF
VPF
CCR
SCON
Useable
Cryogen
Liquid Nitrogen
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Liquid Helium
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Temperature
Range
<2 K to 77 K
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77 K to 325 K
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325 K to 500 K
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500 K to 600+ K
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Sample
Environment
Vacuum
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Vapor/Liquid

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Exchange Gas

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Cryogen
Usage
liters/hour
LHe at 4.2 K
0.5
1.1
0.3
0.3
0.15
N/A
N/A
N/A
0.3
LHe at 100 K
0.1
0.2
0.2
0.4
N/A
N/A
N/A
N/A
0.3
LN2 at 100 K
0.1
0.2
0.1
0.2
0.1
0.2
0.1
N/A
N/A
Cryostat hold time (hours)
N/A
N/A
8
6
8
6-8
5
N/A
12
Initial cool-down time (min.)
15
15
60
60
60
30
15
60
120
Sample exchange time (min.)
30
5
5
20
10
5
30
75
5
ProductMatrix_standard IconStandard model available ProductMatrix_option2 Icon Available as an option Not Available Icon Not available <4 K

NOTE: Above are approximate values for basic models and vary depending on the exact configuration.


Janis Research recognizes that obtaining a cryogenic system represents a long-term commitment for most scientists; therefore, we are devoted to providing you with the highest level of quality and customer support. Just a few of the ways we accomplish this are:

  • Sales and service are provided through a worldwide network of trained and knowledgeable representatives.
  • A dedicated Janis Research sales engineer is responsible for each system from conceptual design through post-installation support.
  • A stable workforce draws on decades of combined service, and applies this experience to the assembly of each cryogenic system.
  • Customer approval of the final design drawing is obtained for all customized systems.
  • Records on all systems, modifications and design improvements are meticulously maintained for the reference of any future user.
  • Turnkey systems are supplied by offering a full line of cryogenic accessories.
  • Each system is fully integrated and tested before shipping.
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