Continuous operation
The nominal coil current is 8 A continuous. The specified nominal magnetic field is 325 A/m @ coil Dist. = 1.8 m. Field values apply at the stated reference spacing.
HHS 5230-100, DC - 5 kHz, 3m Square Helmholtz Coils
Square Helmholtz Coils
Precisely defined magnetic fields. DC - 5 kHz.
The Schwarzbeck HHS 5230-100 uses 3 m square coils for magnetic immunity testing of whole vehicles. Designed for DC to 5 kHz, it supports applications described in SAE J551-17.
Data Sheet
Assembly Instructions
SPECIFICATIONS
DC - 5 kHzUsable frequency range
8 AContinuous nominal coil current
100 turnsPer coil
Defined by geometry
A calculable field.
A traceable measurement.
Magnetic field strength is proportional to coil current. Coil geometry, the number of turns and the applied current determine the resulting field, allowing the field measurement to be traced to a current measurement or the voltage drop across a known resistor.
The field depends on coil spacing and the position within the test volume. Use the reference spacings in the specifications and the field distribution data in the datasheet when selecting your setup.
Plan your test setup
Match the field to your application.
Short-duration operation
The maximum coil current is 16 A (5 min.). Observe the stated time limit and provide adequate ventilation. The frequency range alone does not imply that maximum current or field is available at every frequency.
Technical details
Specifications
Product specifications with reference conditions. See the linked manufacturer datasheet for complete field distributions and operating guidance.
View the complete datasheet →| Number of turns | 100 |
|---|---|
| Maximum Coil Current | 16 A (5 min.) |
| Nominal Coil Current | 8 A continuous |
| Max. Magn. Field Strength | 650 A/m @ coil Dist. =1.8 m |
| Nominal Magn. Field Strength | 325 A/m @ coil Dist. = 1.8 m |
| Magn. Field Strength, 1 A Coil Current | 50.8 A/m (coil Dist. 1.13 m) |
| Maximum Coil Separation | >1.13 m |
| Coil Separation for best uniformity | 1.8 m |
| Mechanical Dimensions | W:2.0 m x H:3.10 m x B:3.18 m |
| Ground Clearance | 0.12 m |
| Usable Frequency Range | DC - 5 kHz |
| Resonance Frequency (per Coil) | >10 kHz, typ. 13 kHz |
| Weight (per Coil) | 190 kg |
| Recommended Accessories | NFCN 9731-100  |
Where specified, coil distances refer to the coil centers. Continuous and short-duration limits are listed separately. Standards references retain the designations used in the source documents.
Supporting documents
Installation and operating safety
Read the supplied datasheet before use. Switch off the complete system before making or removing connections and do not touch terminals during operation. Observe all voltage, current and time limits. High currents heat the coils; maintain adequate air circulation. Keep unintended magnetic field sources and magnetic materials away from the test volume.
North American sales
Discuss your test requirements.
Contact Absolute EMC LLC for the HHS 5230-100 in the United States, Mexico and Canada.
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