Pulsed gas control for NMR spinner speed adjustment

Details Pulsed gas control for NMR spinner speed adjustment Pulsed gas control for NMR spinner speed adjustment

1987-08-13

1988-06-21

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

G01R 3320

Patent

active

047527374

ABSTRACT:
A system for controlling the spin rate of a sample in an NMR spectrometer using an ON/OFF valve controlled by a digital system to regulate flow of a gas between a source and a sample spinner. A spin rate detector supplies rate information to the digital control. The digital control varies the ON/OFF valve duty cycle to control the spin rate.

REFERENCES:
patent: 4112683 (1978-09-01), Bess

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