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catalog index
diode laser spectroscopy
earth's field nmr
earth's field nmr gradient/field coil system
fabry-perot cavity
faraday rotation
hall effect
magnetic force
magnetic torque
magnetic torque's magnetic force balance
modern interferometry
muon physics
optical pumping
power/audio amplifier
pulsed/cw nmr
pulsed nmr
quantum analogs
signal processor
/lock-in amplifier
sonoluminescence
torsional oscillator
two slit interference, one photon at a time
two slit's cricket
individual parts
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Earth's Field NMR Gradient/Field Coil System
introduction | the
instrument | experiments | specifications
| accessories
| prices
Helmholtz Coils
30 Turns/coil, #20 AWG Copper Wire
Average Coil Radius: 30.23 cm
Total Series Resistance: 3.8W
Maximum Continuous Current: 3A
Coil Constant: 89 µT/A
Uniformity: 0.01% over sample volume
Gradient Coils
Range: ±5 µT/m
Calibration Constant: 250 µT/m per Amp
Controller
Maximum gradient current: ±20 mA
Step delay time: 0-2.5 s
Maximum step cur rent: ±10 mA
Learn about Earth's Field NMR.
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