UltraCOOL probe

The detection coil and preamplifier are cooled to cryogenic temperature to reduce thermal noise to an extremely low level, enabling measurement with sensitivity several times higher than that of conventional room temperature probes. Automatic tuning and matching is supported, so a wide variety of continuous measurements can be performed in combination with the auto-tuning unit.
UltraCOOL probes are capable of controlling the sample temperature over a very wide range from -40°C to +150°C. The Probe Lifter and Probe Arm are available as optional accessories to alleviate probe exchange.
UltraCOOL probe / SuperCOOL probe

Features

Type Cooling by Sample Coil
Temperature 		Features
UltraCOOL UC He gas ≒20K Ultra high sensitivity due to cryogenic capability
SuperCOOL MARVEL SCC He gas ≒50K About 1/4 of the running cost of UltraCOOL probe
No need to fill the cooling system with liquid nitrogen
Higher sensitivity than the open type
SCO Liquid nitrogen ≒77K Reasonable installation and running costs
Uses liquid nitrogen as coolant
Liquid nitrogen can be refilled during NMR measurement

UltraCOOL probe

UltraCOOL probe

The UltraCOOL probe is capable of ultra-sensitive measurement, which is a feature of cryogenic probes, as well as stable high-temperature measurement, which is necessary for analysis of polymers and other materials. It also supports the new high-speed automatic tuning and matching.

29Si Background-Free

JEOL cryogenic probes greatly reduce the 29Si background signal coming from the probe components. A background-free measurement is available for glass materials. The spectra below show that the background signal was greatly reduced without the sample tube, demonstrating that the most of background signals came from the sample tube.

Probe Arm and Probe Lifter

Cryogenic probes cannot be raised or lowered by hand in the cooled state due to safety concerns, and hence it might be necessary to warm up cryogenic probes to room temperature before manipulating with them. However, you can replace the UltraCOOL probe or SuperCOOL MARVEL probe in cooled state by using the Probe Arm or the Probe Lifter. Also, though UltraCOOL and SuperCOOL MARVEL probes are heavier than room temperature probes due to their design, they can be easily exchanged using the Probe Arm or the Probe Lifter.
Probe Arm
Probe Arm
Probe Lifter
Probe Lifter

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