• RS100 PRO 77K

    Revolutionize Low-Temperature Science with FPSC: Your Essential Stirling Cryocooler for Lab Devices, LN2 Generators, and More!

    The Stirling Cryocooler RS100-77K is a new member of RIGID® green power Stirling microcoolers family, designed for reliable and eco-friendly liquid nitrogen production. It operates impressively for over 50,000 hours, making it suitable for long-term applications.


    This cryocooler is primarily intended for liquid nitrogen generation but also finds use in laboratory instruments for chemistry, pharmaceuticals, and biotechnology. It's valuable in mass spectrometry, especially when paired with instruments like ESI and APCI mass spectrometry, making it suitable for continuous operations like 24/7 border surveillance infrared systems.


    Its design is meticulously crafted to withstand tough conditions, while also minimizing vibration and reducing noise levels to ensure optimal functionality.

    RS100 PRO 77K - RIGID HVAC
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  • 77K Performance Chart


    RIGID® Green Power Stirling: A Market Leader In Efficiency!


    The graph below compares the efficiency of various cryocoolers available in the market, ranging from 1 to 16 watts of cooling power at 77 Kelvin, shown as a percentage of their maximum potential efficiency (Carnot efficiency). The data clearly demonstrates that RIGID® Stirling cryocoolers are among the most efficient options available. ( * Data is subject to change without notice.)

    Stirling 77K Performance Chart


    Inside the Advanced Laboratory of the Future: An interior view of a biochemistry research laboratory featuring state-of-the-art equipment and facilities. The laboratory environment is centered around scientific and technological pursuits, with a focus on specialized chemistry cooling systems and unoccupied fume extractor hoods.

    Stirling 77K Performance Chart
  • Stirling-77k Specification

    Revolutionizing Nitrogen Generation: RIGID® Liquid Nitrogen Generator Stirling Cooler Setup!


    RIGID HVAC - Cryocooler Stirling -77K Specifications
  • Key Features

    Unveiling the RS100-77K: Your Solution for Sustainable Liquid Nitrogen Production!


    Oil-free and CFC-free, environment protection.

    High Efficiency

    The temperature is able to reach -100°C in 4 minutes.

    High Precision

    Temperature control is accurate to ±0.1 °C.

    Light Weight

    Portable and can be used in any direction.

  • RS100 PLUS-77K

    RIGID® Stirling-77K Brochure

  • Major Applications


    Unlock New Possibilities: RIGID Stirling Cryocooler for Ctting-Edge Labs, Magnetic Levitation, and Cryopreservation. 


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    RIGID® Liquid Nitrogen Generator Stirling Cooler Setup is poised to revolutionize the way you access liquid nitrogen.

    1. Research: Lab experiments.
    2. Semiconductors: Microelectronics.
    3. Photonics/Optics: Laser systems.
    4. Military/Aerospace: Cooling sensors.
    5. Medical Devices: MRI, medical lasers.
    6. Space Exploration: Scientific instruments.
  • Whether you're in research, or any field requiring cryogenic applications, RIGID® innovation is here to meet your needs.

    1. Cryopreservation: Biological samples.
    2. Environmental Monitoring: Sensors.
    3. Telecommunications: Data equipment.
    4. Electronics Cooling: Specialty cooling.
    5. Energy Storage: Experimental systems.
    6. Cryosurgery: Medical treatment.
    7. Food Processing: Rapid freezing.
    Laboratory Experiment with Liquid Nitrogen
  • Stirling Custom & Design


    Utilizing eco-friendly helium as a refrigerant, advanced international free-piston Stirling technology, precise temperature control down to -203.8°C with an accuracy of ±0.1°C, and compact size, it's ideal for high-end equipment core components.


    Stirling Custom & Design
  • Stirling Microcoolers Family


    RIGID® groundbreaking Liquid Nitrogen Generator Stirling Cryocooler-77K Setup, designed to meet market demands for sustainable liquid nitrogen production. This 77K cryocooler utilizes the abundant nitrogen in Earth's atmosphere, condensing it into a liquid mixture of nitrogen and oxygen.


    After three years of dedicated research, RIGID introduces the RS100 Pro K77, a cutting-edge Stirling cycle cryocooler operating at -196℃. This technology offers sustainable nitrogen production, reliability, and market-driven innovation. Join the cryocooling revolution and embrace the future of liquid nitrogen generation with RIGID.

    -100℃~ 0℃


    -150℃~ 0℃ 


    -160℃~ 0℃ 

    RS100 PLUS

    -196℃~ 0℃ 

    RS100 PRO 77K Stirling Cryocooler-RIGID HVAC


  • Typical Applications

    RIGID® Stirling products, the Free Piston Stirling Cryocoolers (FPSC), have a proven track record in various critical applications such as cooling IR detectors, superconducting devices, detecting atmospheric pollution, nuclear detectors, and even gas liquefaction.


    In the field of modern biology and the medical industry, cryopreservation plays a pivotal role in the long-term storage of essential items like blood samples, cells, and vaccines. The reliability of the cryogenic environment is paramount in these scenarios. That's where RIGID HVAC's free-piston Stirling cryocooler steps in, offering a cost-effective, highly reliable, and space-efficient solution.


    RIGID's 77K cryocooler for GAS LIQUEFACTION


    For LNG, liquid nitrogen, and liquid oxygen storage and transport, addressing boiled-off gas (BOG) is essential. To efficiently and economically re-condense BOG, we need cryocoolers with substantial cooling capacities. These applications demand reliability, efficiency, and robustness. The Stirling Cryocooler RS100-77K is designed for Food and Laboratory experiments with liquid nitrogen.

    RIGID's 77K cryocooler for BIO TECH


    In the fields of biology and medicine, preserving items like blood samples and vaccines for extended periods is essential. RIGID's 77K cryocooler ensures a dependable and durable cryogenic environment, thanks to its cost-effective, single-motor design. It effectively minimizes motor vibrations using passive or active balancers while maintaining accurate temperatures and low noise levels, even in challenging conditions.

    RIGID's 77K cryocooler for LABORATORY ANALYSIS


    Stirling cryocoolers are like superheroes for lab machines. They're super reliable, don't shake too much, and stay really quiet, which is great for delicate instruments like mass spectrometers. They're small, so they don't take up much space and keep things cool with great accuracy. Some are also kind to the environment. Plus, they can work non-stop, helping labs get more done. So, Stirling cryocoolers make lab equipment better in many ways!

    RIGID's 77K cryocooler for FOOD & NITROGEN AIR


    Stirling cryocoolers, also offer culinary enthusiasts a convenient solution for on-demand liquid nitrogen production, perfect for molecular cooking. They eliminate the hassle of sourcing small quantities of liquid nitrogen and are cost-effective in the long run. RIGID compact and versatile Cryocooler devices can be adapted for laboratory and restaurant use, enabling various culinary experiments that require ultra-low temperatures.

  • Request Custom & Design

    Can't find what you're looking for in our standard product line? No problem. We produce a great deal of custom-designed and modified standard products for our volume production customers. We can develop a custom solution to meet your specific needs. Contact us with your requirements so that we can develop a detailed specification with your engineering team, create a design, build a prototype, verify the product in collaboration with you, and manufacture the product for you.


  • FAQ

    Stirling Cryocooler Frequently Asked Questions