Schwarzbeck HHS 5202-81 Circular Helmholtz Coils (3000 A/m, DC – 300 kHz)

Number of turns (per Coil): 81

Maximum coil current: 6 A, 5 min.

Nominal continuous coil current: 4 A

Coil spacing for best field homogeneity: 132 mm

Coil spacing for high field strengths (all following values refer to 116 mm coil distance): 116 mm

Maximum magnetic field strength: 3000 A/m, 5 min.

Nominal continuous magnetic field strength: 2000 A/m

Magnetic field strength @ 1 A Coil Current: 500 A/m

Current required for 1 A/m: 2 mA

Conversion Current–Fieldstrength (Coil factor): 174 dBµA/m / 54 dB/m

Coil diameter: 232 mm

Mechanical dimensions: 0.20 m × 0.25 m × 0.39 m

Max. cubical shaped DuT: 11.3 × 11.3 × 11.3 cm

Terminals: 4 mm banana jacks and 7 mm screw terminals

Usable frequency range: DC – 300 kHz

Inductance (per coil): 2.83 mH

Inductance (pair of coils): 6.42 mH

Resistance (per coil): 1.42 Ω

Coil capacitance (pair of coils): 22 pF

Resonance frequency (pair of coils): > 400 kHz

Weight: 4.7 kg

 Datasheet