After years of development and comparison with some major labs, Sigmaphi offers a complete range of solutions for measuring any magnetic system


Mapping

Absolute Accuracy better than 0.2 Gauss
for every field range
Rotating Coil

Harmonics : +/- 0.3 units
Axis shift and shimming +/- 15µm
Angle rotation 0.2 mrad






Search coil

Field integral ±1.10-4






Pulsed wire







Main equipment list

• Air conditionned area (21°C ±1°C)
• Water cooling system 0/10 bars
• Power supply 2280A/285V, 5.10-5 stability
on its full range, computerized current ramp
• Power supply 370A/190V, stability <1.10-4
• Power supply 20A/60V, 5.10-5 stability
• DCCT 0/600A, accuracy 10-5
• DCCT 0/2000A, accuracy 10-5
• Several multimeters (up to 20 channels)
• NMR probes and Reference Magnet
(Reference field : ±0.08T < B(T) < ± 1.9T)
• 3D mechanical measurements,
accuracy 13µm (600mm)
  We design, manufacture and qualify any necessary specific equipment (measuring coils, mechanical devices, ...)

Our resultst are systematically compared to magnetic design and differences explained.


 
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A sum of skills: Design | Engineering and manufacturing | Measurements | Quality and control
Products and services: Resistive magnets | Superconducting magnets | Permanent magnets | Design and measures