Schwarzbeck HHS 5204-12 Circular Helmholtz Coils (2500 A/m, DC – 500 kHz)

Number of turns (per coil): 12

Maximum Coil Current: 60 A, 5 min.

Nominal Coil Current: 30 A continuous

Coil Spacing: 200 mm, 250 mm, 300 mm

(the following data corresponds to a coil spacing of 200 mm)

Maximum Magnetic Field Strength: 2500 A/m, 5 min.

Nominal Magnetic Field Strength: 1288 A/m continuous

Magnetic Field Strength, 1 A Coil Current: 42.93 A/m, 152.66 dBμA/m 

Current required for 1 A/m: 23.29 mA

Conversion Current–Field Strength: 32.66 dB/m

Coil diameter: 400 mm

Mechanical Dimensions: 0.38 m × 0.58 m × 0.42 m

Terminals: 4 mm female with universal wire fixture

Usable Frequency Range: DC – 500 kHz

Inductance (per coil): 120 µH

Inductance (pair of coils): 240–260 µH

Resistance (per coil): 47.5 mΩ

Coil Capacitance (pair of coils): 35 pF

Resonant Frequency (pair of coils): > 1.4 MHz

Weight: 10.2 kg

 Datasheet