-Switch between three unique sample ratios during external referencing experiments. -Ideal for variable temperature experiments as materials is the same between the tubes and spacer. -In the complete set the insert and outer tube are fused together at the bottom. It is recommended for high field experiments under 600 MHz. -For ultra high field experiments over 600 MHz; order an inner tube, two spacers and a Precision Thin Walled tube rated for over 600 separately.
Complete sets come with inner and outer tubes, spacer and cap with hole.
Inner Tube Only
Physics Atomic & Nuclear Electron Tubes Student Tubes - 518-INNER - 2.97 Mm Insert Tube
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