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Cryogenic Applications
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Over the last 20 years the Celadon Engineering team has developed an expertise in cryogenic materials which has resulted in a solid reputation in the industry for producing extremely stable cryogenic on-wafer probe card as well as DUT probing solutions. These custom cryogenic probe card solutions are widely used to test Space, Military, Medical and Quantum Computing products. Celadon’s cryogenic solutions vary from standard VersaTile™ footprints which interface to positioners to innovative custom PCB based designs to allow for flexibility when testing at these very cold temperatures. Lakeshore cryogenic wire is used in standard DC solutions for high density cableout designs to support high pin count applications. During the development process, Celadon works closely with the cryogenic prober vendor to ensure the integrated solution is optimized for current and future testing needs.
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Cryogenic Hygrometer
CR - 3
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Buck Research Instruments, LLC
The new CR-3, like the CR-2, utilizes a closed cycle cryocooler, but differs in that it cannot be used on aircraft. The CR-3 is specifically designed for long-term, continuous-use applications where the instrument will mounted in a fixed location such as a laboratory.
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Cryogenic Temperature Sensors
Platinum
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PT-100 platinum resistance thermometers (PRTs) serve an important role in both cryogenic research and industrial cryogenics applications.
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Cryogenic Probe Station
TTPX
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The TTPX probe station is an affordable, entry-level probe station capable of making a wide variety of non-destructive, standard electrical device measurements. The compact tabletop design is perfect for academic and laboratory research settings. The TTPX provides efficient cryogenic temperature operation and control with a continuous refrigeration system using either liquid helium or liquid nitrogen.
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Cryogenic Flow Diverter Valves
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The Parker Bestobell’s flow diverters allow for quick and effective changeover between relief valves. They ensure that the flow capacity of the valve is not reduced below that available from one fully open port
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Custom Cryogenic Systems
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With our in-house design and manufacturing capabilities, our experienced physicists and engineers are ready to discuss your requirements for any type of cryogenic application.
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Cryogenic Temperature Modules
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Transmit temperature data over long distances to data acquisition locations in research and industrial settings.
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NBS-Series Cryogenic Primary Noise Standards
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The NBS-Series provide the ultimate accuracy when measuring extremely low noise figures (noise temperatures).
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Cryogenic Temperature Sensors
Interchangeable Rox™
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Ruthenium oxide temperature sensors are thick-film resistors, with most models suitable for use in magnetic field applications. These composite sensors consist of bismuth ruthenate, ruthenium oxides, binders, and other compounds that allow them to obtain the necessary temperature and resistance characteristics. Each Lake Shore Rox™ model adheres to a single resistance versus temperature curve.
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Cryogenic Temperature Sensors
Germanium
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Lake Shore germanium resistance temperature sensors are recognized as “Secondary Standard Thermometers” and have been employed in the measurement of temperature from 0.05 K to 30 K for nearly 40 years. Germanium sensors have a useful temperature range of about two orders of magnitude. The exact range depends upon the doping of the germanium element. Cryogenic temperature sensors with ranges from below 0.05 K to 100 K are available. Between 100 K and 300 K, dR/dT changes sign, and dR/dT above 100 K is very small for all models. Sensor resistance varies from several ohms at its upper useful temperature to several tens of kilohms at its lower temperature.
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Cryogenic Temperature Sensors
HR Series sensors
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The HR Series is a new line of high-reliability cryogenic temperature sensors for mission-critical applications. Starting with our proven temperature sensor technology, we have developed a family of off-the-shelf sensors that have already undergone extreme testing steps to assure you of extra reliability.
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Cryogenic Temperature Sensors
Thermocouple wire
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Thermocouple wire is used in a variety of cryogenic applications, but special techniques must be employed to approach temperature accuracies of 1% of temperature, even without consideration for the effects of high magnetic fields or high radiation fluxes. The problems are further complicated by exposure to variable gradient conditions at cryogenic temperatures.
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Cryogenic Temperature Monitors
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Monitor temperatures from 1.4K to over 800K. Choose from one or eight standard inputs. USB, IEEE-488, and RS-232C interfaces, relays, and analog outputs are available.
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Cryogenic ICP® Accelerometers
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Cryogenic ICP® accelerometers are specifically designed to operate at temperatures below the typical -65 ºF (-54 ºC) temperature limit of most voltage mode sensors. The use of specialized, built-in, cryogenic circuitry and quartz shear sensing technology promote survivability in demanding environments such as liquid nitrogen. Each sensor is hermetically sealed and individually tested to determine the thermal coefficient of sensitivity at -320 ºF (-196 ºC) ensuring reliable operation and accurate measurements. These sensors have been successfully used in the presence of liquid helium during structural testing of rocket boosters.
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Small Cryogenic Mill Accommodating Sample Sizes 0.1 - 4 Grams
Freezer Mill 6770*
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The 6770 Freezer/Mill® is our small cryogenic mill that accommodates sample sizes ranging from 0.1 - 4 grams. It is specifically designed for cryogenic grinding and pulverizing of tough and/or temperature sensitive samples immersed in liquid nitrogen. CE Approved.
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Large Cryogenic Mill that Accomodates Sample Sizes from 0.1 to 100 Grams
Shaqer 1500
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The ShaQer™ offers high throughput and improved pesticide extraction for QuEChERS Sample Prep! It agitates up to six samples simultaneously compared to just two samples processed by hand. The vigorous clamp movement results in thorough extraction of pesticide residue in fruit and vegetables. Every sample is handled in the same manner ensuring consistency and eliminating variations that can occur in manual sample prep. It also accommodates a variety of tube sizes and shapes. CE Approved.
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High field Superconducting Magnets
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Cryogenic Ltd manufactures a wide range of superconducting magnets for research and industrial purposes. A range of standard solenoids between 1 to 22 Tesla is produced, and in addition split pair solenoids in the range 1 to 14 Tesla, with a typical central field homogeneity of 0.1%.
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16-Channel VME RTD/Resistance Input Module
V410
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The V410 is a 6U VME module that provides sixteen independent analog inputs that may be used to read RTDs, thermistors, and other similar resistive sensors. It can also read cryogenic diodes. Users may set input range and adjust other settings at VMEbus speed, and depending on the range selected the microprocessor will do the necessary calculations and output voltage, resistance, or temperature. Temperature conversion is available for 100Ω and 1000Ω, series 385 and 392, platinum RTDs.
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Cryogenic Probe Station
CRX-4K
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Designed for versatility and high performance, the CRX-4K is our premium cryogen-free closed-cycle refrigerant probe station. This system is the solution for those looking for the convenience of cryogen-free operation and the exceptional measurement performance of a Lake Shore product.
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Dry Cryogenic Systems
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Part of the speciality of QMC Instruments Ltd, is integrating detectors and optics into cryogenic systems, which are suited to it's customers requirements. By packaging our detectors in this way we can ensure that they will perform exactly as quoted.
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Cryogenic Temperature Sensors
Capacitance
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CS capacitance sensors are ideally suited for use as cryogenic temperature control sensors in strong magnetic fields because they exhibit virtually no magnetic field dependence. Displacement current is not affected by magnetic fields. Consequently, temperature control fluctuations are kept to a minimum when sweeping magnetic field or when changing field values under constant temperature operation.
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Cryogen Free Variable Temperature Cryostat for EPR
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We offer a variable temperature cryostat with a sample space of 40mm designed to fit between the poles of a resistive electromagnet for EPR applications. The cryostat is designed to receive standard EPR probes.
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Cryogenic Low Noise Magnetic Field Transducer
K3A
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The SENIS K3A cryogenic low noise magnetic field transducer is engineered to deliver highly accurate measurements of the amplitude and direction of magnetic fields at extreme cryogenic temperatures, extending down to approximately 1 K. This innovative instrument features a compact sensor head boasting dimensions of just 4.5 x 4.5 x 9 mm, integrating a robust 3-axis Hall sensor that guarantees precision in magnetic field readings. Notably, it incorporates the world’s smallest field-sensitive volume, measuring less than 0.6 mm³, making it a premier choice for applications requiring compact and efficient magnetic field measurements.Equipped with cutting-edge electronics, the K3A transducer provides exceptionally low drift and ultra-high resolution in its measurements. The device outputs an analog voltage for each magnetic field direction (Bx, By, Bz), facilitating accurate assessment of magnetic fields. Optional high precision calibrations are available, achieving an impressive accuracy of 0.25% and accommodating magnetic fields up to ±9 T, even at cryogenic temperatures as low as 4 K. This instrument is ideal for researchers and engineers needing reliable and precise magnetic field measurements in challenging environments.
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TVAC Thermal Vacuum Test Chamber
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Guangdong Test EQ Equipment co., Ltd.
- Space Environment Simulation: Replicates orbital conditions: thermal cycling, vacuum, and solar radiation (via optional xenon-arc lamps).- Precision Control: PLC-based automation with real-time data logging, remote access via LabVIEW/Modbus protocols.- Durable Construction: 304L stainless steel chamber, multi-layer MLI (multi-layer insulation), and vibration-damping mounts.- Safety Systems: Emergency venting, over-pressure relief valves, and redundant leak detection sensors.- Modular Design: Expandable with solar simulation, outgassing analysis, or cryogenic shroud add-ons.
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TEM Lamella Preparation And Volume Imaging Under Cryogenic Conditions
ZEISS Correlative Cryo Workflow
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ZEISS Correlative Cryo Workflow connects widefield, laser scanning, and focused ion beam scanning electron microscopy in a seamless and easy-to-use procedure. The solution provides hardware and software optimized for the needs of correlative cryogenic workflows, from localization of fluorescent macromolecules to high-contrast volume imaging and on-grid lamella thinning for cryo electron tomography.
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CUSTOM SYSTEMS
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Tristan’s specialties include custom systems (magnetic, cryogenic, scanning, multichannel SQUID, variable temperature systems, magnetic fields, and microwave) based on a core technology of system building and expertise in cryogenics, refrigeration, software (upper level control and embedded) and electronics design.
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Mini Cryogen Free Systems
mCFMS
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Cryogenic offers cryogen free measurement systems, which include a cryocooler, cryostat with superconducting magnet (3, 5, 7 or 9 Tesla), variable temperature sample space, a selection of special probes for measurements of different physical properties, as well as electronics, computer and measurement software.
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X-Ray And Gamma Detector Systems
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The XR-100CR is a new high performance x-ray detector, preamplifier, and cooler system using a thermoelectrically cooled Si-PIN photodiode as an xray detector. Also mounted on the 2-stage cooler are the input FET and a novel feedback circuit. These components are kept at approximately -55 °C, and are monitored by an internal temperature sensor. The hermetic TO-8 package of the detector has a light tight, vacuum tight thin Beryllium window to enable soft xray detection. The XR-100T-CdTe represents a breakthrough in xray detector technology by providing “off-the-shelf” performance previously available only from expensive cryogenically cooled systems. The XR-100-CdTe is also suited for measuring gamma rays.
