The HHS 5204-12 Circular Helmholtz Coils are engineered to deliver precise magnetic fields for various calibration and testing applications. With 12 turns and a maximum coil current of 60 A for 5 minutes, these coils can generate a magnetic field strength of up to 2500 A/m and ensure uniform magnetic fields, with a nominal field strength of 1288 A/m continuous (for a coil spacing of 200 mm).
These coils offer superior precision and stability, making them ideal for high-accuracy calibration of magnetic field probes and sensors. Their high temperature-proof design ensures reliable performance even under demanding conditions. Additionally, the wide usable frequency range enhances their suitability for a broad spectrum of testing applications, providing exceptional flexibility and utility in diverse experimental setups.
| Number of turns: | 12 |
| Maximum Coil Current: | 60 A (5 min.) |
| Nominal Coil Current: | 30 A continuous |
| Coil Spacings: | 200 mm, 250 mm, 300 mm |
| The following data corresponds to a coil spacing of 200 mm | |
| Max. Magn. Field Strength: | 2500 A/m (5 min.) |
| Nominal Magn. Field Strength: | 1288 A/m continuous |
| Magn. Field Strength, 1 A Coil Current: | 42.93 A/m; 152.66 dBµA/m |
| Conversion Current->Fieldstrength: | 32.66 dB/m |
| Coil Diameter: | 400 mm |
| Mechanical Dimensions: | 0.38 m x 0.58 m x 0.42 m |
| Terminals: | 4 mm female |
| Inductance (Single Coil): | 120 µH |
| Inductance (Coil Pair): | 240 – 260 µH |
| Usable Frequency Range: | DC – 500 kHz |
| Resonance Frequency: | >1.4 MHz |
| Weight: | 10.2 kg |