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3ctest HHS5024-12 Helmholtz Coil View larger

3ctest HHS5024-12 Helmholtz Coil

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  • 15Hz – 150kHz Frequency Range
  • Low frequency magnetic field immunity test as per ISO 11452-8
  • Internal magnetic field calibration device

Standard:

  • ISO 11452-8
  • MI-STD-461F RS101

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Data Sheet

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Test Equipment Description

The magnetic field strength produced by Helmholtz coil HHS 5024-12 of 20cm semi-diameter can be calculated by current (H = 42.93xI), or use sensor coil of 13.3 cm diameter (36-turn) to measure in the center. Helmholtz coil fully comply with MI-STD-461F RS101 and ISO 11452-8 standard for magnetic field immunity test.

Parameters
ModelHHS5024-12
Max. current60 A, 5 min.
Rated current30 A continuous
coil space200 mm, 250 mm, 300 mm
following data when the space is 200mm
Max. magnetic field strength2500 A/m, 5 min
Rated magnetic field strength1288 A/m continuous
Magnetic field strength when coil current is 1A42.93 A/m
Current152.66 dBμA/m
current needed for 1 A/m23.29 mA
transfer factor between current and strength32.66 dB/m
coil diameter400 mm
size0.38 m x 0.58 m x 0.42 m
frequency range15 - 500 kHz
Inductance（each coil）：120 μH
Inductance（a pair of coil）：240-260 μH
resistance（each coil）：47.5 mW
capacitance（a pair of coil）：52 pF
Harmonic frequency（a pair of coil）> 1.4 MHz
weight10.2 kg

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