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Helmholtz Coils

Helmholtz Coils

 HS 5136 – Hall-Sensor

• HHS 3D 5213-50-3D Helmholtz-Coil

• HHS 5201-6 Helmholtz Coils

• HHS 5201-98 Helmholtz Coils

• HHS 5202-9 – Circular Helmholtz Coils

• HHS 5202-81 – Circular Helmholtz Coil

• HHS 5203-20 Helmholtz Coils – Build To Order ONly

 HHS 5204-12 Helmholtz Coils

• HHS 5204-36 Helmholtz Coils

• HHS 5204 Helmholtz Coils For Calibration Purposes – Build To Order ONly

• HHS 5205-1 – Circular Helmholtz Coils

• HHS 5206-8 – Circular Helmholtz Coils

• HHS 5206-16 Circular Pair Of Helmholtz Coils

• HHS 5206-132 Schwarbeck Circular Helmholtz Coil

 HHS 5210 Helmholtz Coils

 HHS 5210-10 Helmholtz Coils

 HHS 5210-100 Helmholtz Coils

 HHS 5210-100 2.5 – Helmholtz Coils

 HHS 5212 Helmholtz Coils

 HHS 5212-10 Helmholtz Coils

 HHS 5213 Helmholtz Coils

 HHS 5213-50 Helmholtz Coils

 HHS 3D 5213-50 Helmholtz Coils

 HHS 5213-100 Helmholtz Coils

 HHS 5215 Helmholtz Coils

 HHS 5215-10 Helmholtz Coils

 HHS 5215-100 Helmholtz Coils

 HHS 5218 Helmholtz Coils

 HHS 5230-100 Pair Of Helmholtz Coils

 NFCN 9731-100 Compensation Network

 NFCN 9732 Compensation Network

 

Helmholtz-Coils are especially designed to generate precisely defined magnetic fields from DC to the upper end of the audio frequency range and beyond. The generated fields are in a strongly linear relation to the coil current. The field- strength can be calculated exactly by analytical (or numerical) methods, based on the coils’ geometry, the number of turns and the coil current.

Therefore Helmholtz-Coils are ideally suited for the calibration of magnetic field probes or sensors.

Typical applications are magnetic immunity testing according to automotive standards or MIL-461F. When generating magnetic fields with Helmholtz coils the coil current is directly proportional to the magnetic field strength.

 

Magnetic Field Distrubance Tests

The tests against magnetic field disturbances can be classified in two categories:
· DC testing: in this case the field doesn´t change with the frequency. In DC testing the maximum fields are in the order of 3000-4000 A/m. In DC testing you must use dedicated radiating loops or Helmholtz coils (FESP 5133-1330 can be only used in DC testing). In DC Testing you need a radiating loop or an Helmholtz coil, DC power supply and Hall sensor.
· AC testing: in this case the field changes with the frequency.

In AC testing the maximum fields are in the order of ~1000 A/m.

In AC testing you must use dedicated radiating loops or Helmholtz coils (FESP 5132, HHS 5206-16 for example). In AC testing you need a radiating loop or an Helmholtz coil, RF amplifier LFPA 9733, SHUNT, compensation network NFCN 9734 and monitoring loops.

 

To determine which coils are required, the following information must be provide the sizes of the device under test (DuT).

For DC testing: maximum field to be reached (3000 A/m, 4000 A/m?).

For AC testing the customer must check the attached document and inform us about the normative that they are using. Each normative gives a well defined field as a function of the frequency. When we will have these information, we can design a system.

 

Schwarzbeck Helmholtz Coils Chart

 

HS 5136 – Hall-Sensor 

The hall probe HS 5136 can be used to measure magnetic field strengths for immunity tests according to MIL STD 461 and various automotive standards. It measures static and dynamic magnetic fields with a field strength up to 8000 A/m. The HS 5136 is a transverse probe, i.e. the magnetic flux lines must be orthogonal to the longitudinal probe axis and orthogonal to the surface of the hall-element to obtain the maximum reading.

Nominal frequency range: DC – 10 kHz
Useable frequency range: DC – 200 kHz
Nominal measuring range: 0 – 7000 A/m
Extended measuring range: 0 – 8000 A/m
Nominal conversion factor: 1 (A/m)/mV
Load impedance: >2 kΩ
Non-linearity.: 0.8 %
Power supply: +(27 – 33) V / 50 mA
Housing: Aluminium
Dimensions: ca. 470 x 42 x 28 mm
Mounting: 22 mm Tube
Weight: 310 g
Connector: BNC-female

 

 HS 5136 Hall Sensor for Magnetic Field Measurements Data Sheet

 

HHS 3D 5213-50-3D Helmholtz-Coil 

Schwarzbeck HHS 3D 5213-50-3D Helmholtz-Coil

With the three-dimensional Helmholtz coil HHS 3D 5213-50-3D it is possible to create any vector field

HHS 3D 5213-50-3D Specifications
Number of turns (per Coil)  50
 Maximum Coil Current:  8 A (5 min.)
 Nominal Coil Current:  5 A continuos
 Maximum Magnetic Field Strength:  390 A/m
 Nominal Magnetic Field Strength:  240 A/m continuos
 Dimensions:  1.4 m x 1.4 m x 1.3 m
 Frequency Range:  DC – 20 kHz
 Resonant Frequency (per Coil):  > 30 kHz
 Weight:  ca. 85 kg

 Inner Coil (Y-Axis)

 Effective Coil Dimensions:  1.1 m x 1.1 m
 Coil Separation acc. EN 55103:  62 cm
 Magnetic Field Strength, 1 A:  57.7 A/m
 Resistance (Coil pair):  3.0 Ω
 Inductance (Coil pair):  19.08 mH (Coil Dist. 0.62 m)

Center Coil (X-Axis)

 Effective Coil Dimensions:  1.21 m x 1.21 m
 Coil Separation acc. EN 55103:  68 cm
 Magnetic Field Strength, 1 A:  52.5 A/m
 Resistance (Coil pair):  3.3 Ω
 Inductance (Coil pair):  21.3 mH (Coil Dist. 0.68 m)

Outer Coil (Z-Axis)

 Effective Coil Dimensions:  1.32 m x 1.32 m
 Coil Separation acc. EN 55103:  74 cm
 Magnetic Field Strength, 1 A:  48.2 A/m
 Resistance (Coil pair):  3.6 Ω
 Inductance (Coil pair):  23.58 mH (Coil Dist. 0.74 m)

 

 Schwarzbeck HHS 3D 5213-50-3D Helmholtz-Coil Data Sheet

 

HHS 5201-98 Helmholtz Coils 

Schwarzbeck HHS 5201-98  Helmholtz Coil

Number of turns: 98
Maximum Coil Current: 40 A (1 min.)
15 A (15 min.)
Nominal Coil Current: 12 A continuous
Coil Spacings (centered): approx.  29 … 95 mm
Max. Magn. Field Strength: 64 kA/m (1 min.)
Nominal Magn. Field Strength: 20 kA/m continuous
Magn. Field Strength, 1 A Coil Current: 1598 A/m
Conversion Current-Fieldstrength: 64.07 dB/m
Coil Diameter: 84 mm (58-110 mm)
Free Coil Distance for DuT: 0 … 66 mm
Mechanical Dimensions: 240 x 240 x 130 mm
Terminals: 4 mm female
Inductance (Single Coil): 0.84 mH
Inductance (Coil Pair): 2.3 mH / 30 mm
2.0 mH / 50 mm
1.8 mH / 90 mm
Usable Frequency Range: DC – 200 kHz
Resonance Frequency: > 600 kHz
Weight: 4.1 kg

 

 

 

Schwarzbeck Circular Helmholtz Coils HHS 5201-98 Data Sheet Schwarzbeck Circular Helmholtz Coils HHS 5201-98 Data Sheet

HHS 5201-6 Helmholtz Coils 

Number of turns: 6
Maximum Coil Current: 40 A (1 min.)
15 A (15 min.)
Nominal Coil Current: 12 A continuous
Coil Spacings (centered): 50 … 80 mm
     

The following data refers to a coil separation of 60 mm

     
Max. Magn. Field Strength: 2860 A/m (1 min.)
Nominal Magn. Field Strength: 860 A/m continuous
Magn. Field Strength, 1 A Coil Current: 71.55 A/m
Coil Diameter: 120 mm
Mechanical Dimensions: 290 x 220 x 130 mm
Terminals: 4 mm female
Inductance (Single Coil): 8 µH
Inductance (Coil Pair): 18.7 µH / 50 mm
18.2 µH / 60 mm
17.9 µH / 70 mm
Usable Frequency Range: DC – 5 MHz
Resonance Frequency: > 8 MHz
Weight: 2.8 kg

 

 

Schwarzbeck Circular Helmholtz Coils HHS 5201-6 Data Sheet Schwarzbeck Circular Helmholtz Coils HHS 5201-6 Data Sheet

HHS 5202-81 – Circular Helmholtz Coil 

HHS 5202-81 Circular Helmholtz Coil

Helmholtz-Coils are especially designed to generate precisely defined magnetic fields from DC to the upper end of the audio frequency range and beyond. The generated fields are in a strongly linear relation to the coil current. The field- strength can be calculated exactly by analytical (or numerical) methods, based on the coils’ geometry, the number of turns and the coil current. Therefore the HHS 5202-81 is ideally suited for the calibration of magnetic field probes or sensors. Due to the high temperature proof copper wire packet it is possible to generate magnetic fields up to approx. 3000 A/m for short times. Typical applications are magnetic immunity testing according to automotive standards or MIL-461. When generating magnetic fields with Helmholtz coils the coil current is directly proportional to the magnetic field strength.

Number of turns: 81
Maximum Coil Current: 6 A (5 min.)
Nominal Coil Current: 5 A continuous
Coil Spacings (centered): 116 mm / 132 mm

 

The following data refers to a coil separation of 116 mm

Max. Magn. Field Strength: 3000 A/m (5 min.)
Nominal Magn. Field Strength: 2000 A/m continuous
Magn. Field Strength, 1 A Coil Current: 500A/m
174 dBµA/m
Coil Diameter: 232 mm
Mechanical Dimensions: 0.20 m x 0.25 m x 0.39 m
Max. cubical shaped DuT: 11.3 cm x 11.3 cm x 11.3 cm
Terminals: 4 mm female
7 mm screw terminals
Inductance (Single Coil): 2.83 mH
Inductance (Coil Pair): 6.42 mH
Usable Frequency Range: DC – 300 kHz
Resonance Frequency: > 400 kHz
Weight: 4.7 kg

 

 Schwarzbeck HHS 5202-81 Circular Helmhotz Coil Data Sheet

 

HHS 5202-9 – Circular Helmholtz Coils 

Schwarzbeck HHS 5202-9  Helmholtz Coil

Helmholtz-Coils are especially designed to generate precisely defined magnetic fields from DC to the upper end of the audio frequency range and beyond. The generated fields are in a strongly linear relation to the coil current. The field- strength can be calculated exactly by analytical (or numerical) methods, based on the coils’ geometry, the number of turns and the coil current. Therefore the HHS 5202-9 is ideally suited for the calibration of magnetic field probes or sensors. Due to the high temperature proof copper wire packet it is possible to generate magnetic fields up to approx. 3000 A/m for short times. Typical applications are magnetic immunity testing according to automotive standards or MIL-461. When generating magnetic fields with Helmholtz coils the coil current is directly proportional to the magnetic field strength.

 

Number of turns: 9
Maximum Coil Current: 55 A (5 min.)
Nominal Coil Current: 33 A continuous
Coil Spacings (centered): 116 mm / 132 mm

 

The following data refers to a coil separation of 116 mm

Max. Magn. Field Strength: 3053 A/m (5 min.)
Nominal Magn. Field Strength: 1832 A/m continuous
Magn. Field Strength, 1 A Coil Current: 55.52 A/m
154.89 dBµA/m
Coil Diameter: 232 mm
Mechanical Dimensions: 0.20 m x 0.25 m x 0.39 m
Max. cubical shaped DuT: 11.3 cm x 11.3 cm x 11.3 cm
Terminals: 4 mm female jacks
7 mm screw terminals
Inductance (Single Coil): 36 µH
Inductance (Coil Pair): 80 µH
Usable Frequency Range: DC – 2.5 MHz
Resonance Frequency: > 3.5 MHz
Weight: 4.9 kg

 

Schwarzbeck Maximum Magnetic Field Strenght of HHS 5202-9 with LFPA 9733Schwarzbeck Maximum Magnetic Field Strenght of HHS 5202-9 with LFPA 9733

 Schwarzbeck HSS 5202-9 Circular Helmhotz Coil Data Sheet

 

pdficon small Schwarzbeck Overview MagTest-System combinations for Immunity Testing Data sheet

 

HHS 5203-20 Helmholtz Coils – Build To Order Only 

Schwarzbeck HHS 5203-20

· Helmholtz Coils

· circular

· Diameter 300 mm

· 330 A/m for Calibration or Immunity

 

Schwarzbeck Circular Helmholtz Coils HHS 5203-20 Data Sheet Schwarzbeck Circular Helmholtz Coils HHS 5203-20 Data Sheet

HHS 5204-36 Helmholtz Coils 

Schwarzbeck HHS 5204-36  Helmholtz Coil

Number of turns: 36
Maximum Coil Current: 20 A (5 min.)
Nominal Coil Current: 10 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: 128.8 A/m
162.2 dBµA/m
Conversion Current->Fieldstrength: 42.2 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): 1.15 mH
Inductance (Coil Pair): 2.56 mH
Usable Frequency Range: DC – 150 kHz
Resonance Frequency: >200 kHz
Weight: 8.5 kg

 

 

Schwarzbeck Circular Helmholtz Coils HHS 5204-36 Data Sheet Schwarzbeck Circular Helmholtz Coils HHS 5204-36 Data Sheet

HHS 5204-12 Helmholtz Coils 

Schwarzbeck HHS 5204-12  Helmholtz Coil

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): 1.20 µH
Inductance (Coil Pair): 2.40 – 2.60 mH
Usable Frequency Range: DC – 500 kHz
Resonance Frequency: >1.4 MHz
Weight: 10.2 kg

 

 

Schwarzbeck Circular Helmholtz Coils HHS 5204-12 Data Sheet Schwarzbeck Circular Helmholtz Coils HHS 5204-12 Data Sheet

Files for the MagTest Software files for the MagTest software

HHS 5204 Helmholtz Coils For Calibration Purposes – Build To Order Only 

· Helmholtz Coils for Calibration purposes

· circular

· diam. 420 mm

· 5 turns f. 60 A/m  

 

Schwarzbeck Circular Helmholtz Coils HHS 5204 Data Sheet Schwarzbeck Circular Helmholtz Coils HHS 5204 Data Sheet

HHS 5205-1 – Circular Helmholtz Coil 

Schwarzbeck Circular Helmholtz Coil HHS 5205-1

Number of turns (per coil): 1
Maximum Coil Current: 20 A, 1 min.
Nominal Coil Current: 15 A continuous
Coil Spacings (centered): 250 mm
Max. Magn. Field Strength: 28.6 A/m, 1 min
Nominal Magn. Field Strength: 14.3 A/m continuous
Magn. Field Strength, 1 A Coil Current: 1.43 A/m
123.11 dBµA/m
Coil Diameter: 500 mm
Max. Cubical shaped DuT: 25 x 25 x 25 cm
Mechanical Dimensions: 0.52 m x 0.72 m x 0.42 m
Terminals: N-female
Inductance (Single Coil): 1.15 µH
Inductance (Coil Pair): 0.67 µH
Usable Frequency Range: DC – 30 MHz
Resonance Frequency: > 44 MHz
Weight: 5.5 kg

 

 

Schwarzbeck Circular Helmholtz Coils HHS 5204 Data Sheet Schwarzbeck HHS 5205-1 – Circular Helmholtz Coil Data Sheet

 

HHS 5206-8 – Circular Helmholtz Coil 

Number of turns: 8
Maximum Coil Current: 55 A (5 min.)
Nominal Coil Current: 34 A continuous
Coil Spacings (centered): 300 mm
Max. Magn. Field Strength: 1060 A/m (5 min.)
Nominal Magn. Field Strength: 650 A/m continuous
Magn. Field Strength, 1 A Coil Current: 19.23 A/m
145.68 dBµA/m
Coil Diameter: 600 mm
Max. Cubical shaped DuT: 32.5 x 32.5 x 32.5 cm
Mechanical Dimensions: 0.64 m x 0.79 m x 0.42 m
Terminals: 4 mm female
Inductance (Single Coil): 91 µH
Inductance (Coil Pair): 200 µH
Usable Frequency Range: DC – 800 kHz
Resonance Frequency: > 1500 kHz
Weight: 17.0 kg
Recommended accessories: NFCN 9732 85 kHz

 

 

Schwarzbeck Circular Helmholtz Coils HHS 5204 Data Sheet Schwarzbeck HHS 5206-8 – Circular Helmholtz Coil Data Sheet

Recommended accessories

 

NFCN 9732 85 kHz – Compensation Network 

Schwarzbeck NFCN 9732 85 kHz - Compensation Network 

The compensation network NFCN 9732 85 kHz consists of a high current/ high voltage variable capacitor. The compensation capacitor reduces the total impedance of the series circuitry consisting of the Helmholtz coil HHS 5206-8 and the NFCN 9732 85 kHz at the operating frequency band of 80-90 kHz. It allows continuous currents of up to 15 Arms at generator voltages of less than 40 Vrms. Application: Immunity test induktive changing 85 kHz

 

 pdficon small Schwarzbeck NFCN 9732 85 kHz – Compensation Network Data Sheet

 

HHS 5206-16 Circular Pair Of Helmholtz Coils 

Schwarzbeck HHS 5206-16  Helmholtz Coil

Number of turns: 16
Maximum Coil Current: 55 A (5 min.)
Nominal Coil Current: 33 A continuous
Coil Spacings (centered): 300 mm
Max. Magn. Field Strength: 2100 A/m (5 min.)
Nominal Magn. Field Strength: 1260 A/m continuous
Magn. Field Strength, 1 A Coil Current: 38.17 A/m
151.63 dBµA/m
Coil Diameter: 600 mm
Max. Cubical shaped DuT: 32.5 x 32.5 x 32.5 cm
Mechanical Dimensions: 0.64 m x 0.79 m x 0.42 m
Terminals: 4 mm female
Inductance (Single Coil): 340 µH
Inductance (Coil Pair): 750 µH
Usable Frequency Range: DC – 500 kHz
Resonance Frequency: > 700 kHz
Weight: 20.4 kg

 

 

Schwarzbeck Circular Helmholtz Coils HHS 5206-16 Data Sheet Schwarzbeck Circular Helmholtz Coils HHS 5206-16 Data Sheet

 

HHS 5206-132 Schwarbeck Circular Helmholtz Coil 

Schwarbeck Circular Helmholtz Coil HHS 5206-132

Schwarbeck Circular Helmholtz Coil HHS 5206-132

 

Helmholtz-Coils are especially designed to generate precisely defined magnetic fields from DC to the upper end of the audio frequency range and beyond. The generated fields are in a strongly linear relation to the coil current. The fieldstrength can be calculated exactly by analytical (or numerical) methods, based on the coils’ geometry, the number of turns and the coil current. Therefore the HHS 5206-132 is ideally suited for the calibration of magnetic field probes or sensors. Typical applications are magnetic immunity testing according to automotive standards or MIL-461F. When generating magnetic fields with Helmholtz coils the coil current is directly proportional to the magnetic field strength. The calibration of the magnetic field is finally traceable to a current measurement (or to a voltage drop at a known resistor). The Helmholtz Coil itself is usually considered as primary standard due to the easily calculable relation between current and field strength. If this relation should be controlled, a loop sensor or monitoring loop can be used to determine the actual field strength.

 

Specifications  
Number of turns (per Coil): 132
Maximum coil current: 15 A, 5 min.
Nominal coil current: 10 A continuous
Coil spacing: 300 mm
Maximum magnetic field strength: 4713 A/m, 5 min.
Nominal magnetic field strength: 3142 A/m continuous
Magnetic field strength @ 1 A Coil Current: 314.2 A/m
169.97 dBµA/m
Current required for 1 A/m: 3.183 mA
Conversion Current- Field strength (Coil factor): 50 dB/m
Coil diameter: 600 mm
Mechanical dimensions: 0.64 m x 0.79 m x 0.42 m
Max. cubical shaped DuT: 32.5×32.5×32.5 cm
Terminals: 4 mm banana jacks
Screw terminals
Usable frequency range: DC – 30 kHz
Inductance (per coil): 22.4 mH
Inductance (pair of coils): 49.9 mH
Resistance by 20°C (per coil): 1.42
Resistance by 120°C (per coil): 1.96
Coil capacitance (pair of coils): 174 pF
Resonance frequency (Pair of coils): > 50 kHz
Weight: 27.5 kg

 

Schwarzbeck Helmholtz Coils HHS 5210 Data Sheet Schwarbeck Circular Helmholtz Coil HHS 5206-132 Data Sheet

 

HHS 5210 Helmholtz Coils 

Schwarzbeck HHS 5210  Helmholtz Coil

· Helmholtz Coils

· up to 300 A/m constant H field

· 1 m x 1 m

· 10 turns per coil

· EN 61000-4-8, VDE 0847 part 4-8

 

Schwarzbeck Helmholtz Coils HHS 5210 Data Sheet Schwarzbeck Helmholtz Coils HHS 5210 Data Sheet

 

HHS 5210-10 Helmholtz Coils 

Schwarzbeck HHS 5210  Helmholtz Coil

Number of turns: 10
Maximum Coil Current: 20 A (5 min.)
Nominal Coil Current: 10 A continuous
Max. Magn. Field Strength: 300 A/m (5 min.)
Nominal Magn. Field Strength: 150 A/m continuous
Magn. Field Strength, 1 A Coil Current: 15 A/m (Coil Dist. 0.4 m)
Mechanical Dimensions: 1.0 x 1.0 x 0.63 m
Coil Separation acc. IEC 1000-4-8: 0.40 m
Coil Separation for best uniformity: 0.57 m
Terminals: 4 mm female
Inductance (per Coil): 0.36 mH
Usable Frequency Range: DC – 150 kHz
Resonance Frequency: > 600 kHz
Weight: 10 kg

 

 

Schwarzbeck Helmholtz Coils HHS 5210 Data Sheet Schwarzbeck Helmholtz Coils HHS 5210 Data Sheet

 

HHS 5210-100 Helmholtz Coils 

Schwarzbeck HHS 5210-100  Helmholtz Coil

Number of turns: 100
Maximum Coil Current: 15 A (5 min.)
Nominal Coil Current: 9 A continuous
Inner side length of the coil: 1.0 m
Electrical side length of the coil: 1.04 m
Maximum Coil Separation: 0.70 m
Usable Frequency Range: DC – 10 kHz
Inductance (per Coil): 31.3 mH
Resonance Frequency (Pair of Coils): >25 kHz
Weight: 36.5 kg
Terminals: 4 mm female
     
   

The following data is valid for 0.4 m coil distance:

   
Coil Separation acc. IEC 1000-4-8: 0.40 m
Max. Magn. Field Strength: 2183 A/m (5 min.)
Nominal Magn. Field Strength: 1310 A/m continuous
Magn. Field Strength, 1 A Coil Current: 145.54 A/m (Coil Dist. 0.4 m)
   
   

The following data is valid for 0.566 m coil distance:

   
Coil Separation for best uniformity along an axes through the coil center: 0.566 m
Magn. Field Strength, 1 A Coil Current: 124.66 A/m (Coil Dist. 0.566 m)
Recommended Accessories: NFCN 9732-120

 

 

Schwarzbeck Helmholtz Coils HHS 5210-100 Data Sheet Schwarzbeck Helmholtz Coils HHS 5210-100 Data Sheet

Recommended Accessories: NFCN 9732-120 – Compensation Network The compensation network NFCN 9732-120 consists of a capacitor and a fuse in series. It is used for a series compensation of the HHS 5210-100 at energetical mains frequencies of 50 Hz to 60 Hz. The compensation capacitor reduces the total impedance of the series circuitry consisting of the Helmholtz coils HHS 5210-100 and the NFCN 9732-120 at the operating frequencies of 50 to 60 Hz. It allows continuous currents of up to 8 A rms at generator voltages of less than 70 Vrms …80 Vrms .

 

Schwarzbeck Helmholtz Coils HHS 5210-100 Data Sheet Schwarzbeck NFCN 9732-120 – Compensation Network Data Sheet

 

HHS 5210-100 2.5 – Helmholtz Coils 

Schwarzbeck HHS 5210-100 2-5 Helmholtz Coils

Helmholtz-Coils are especially designed to generate precisely defined magnetic fields from DC to the upper end of the audio frequency range and beyond. The generated fields are in a strongly linear relation to the coil current. The fieldstrength can be calculated exactly by analytical (or numerical) methods, based on the coils’ geometry, the number of turns and the coil current. The calibration of the magnetic field is finally traceable to a current measurement (or to a voltage drop at a known resistor).

Number of turns: 100
Maximum Coil Current: 20 A (5 min.)
Nominal Coil Current: 15 A continuous
Inner side length of the coil: 1.0 m
Electrical side length of the coil: 1.04 m
Maximum Coil Separation: 0.70 m
Usable Frequency Range: DC – 10 kHz
Inductance (per Coil): 31.3 mH
Resonance Frequency (Pair of Coils): >25 kHz
Weight: 56 kg
Terminals: 4 mm female

 

The following data is valid for 0.4 m coil distance:

Coil Separation acc. IEC 1000-4-8: 0.40 m
Max. Magn. Field Strength: 2900 A/m (5 min.)
Nominal Magn. Field Strength: 1746 A/m continuous
Magn. Field Strength, 1 A Coil Current: 145.54 A/m (Coil Dist. 0.4 m)

 

The following data is valid for 0.566 m coil distance:

Coil Separation for best uniformity along an axes through the coil center: 0.566 m
Magn. Field Strength, 1 A Coil Current: 124.66 A/m (Coil Dist. 0.566 m)

 

 Datasheet HHS 5210-100 2.5

 

HHS 5212  Helmholtz Coils 

· Helmholtz Coils

· up to 250 A/m H field

· 1.20m x 1.20 m

· 10 turns

 

Schwarzbeck Helmholtz Coils HHS 5212 Data Sheet Schwarzbeck Helmholtz Coils HHS 5212 Data Sheet

HHS 5212-10  Helmholtz Coils 

Number of turns: 10
Maximum Coil Current: 20 A (5 min.)
Nominal Coil Current: 10 A continuous
Maximum Coil Separation: 0.70 m
Usable Frequency Range: DC – 150 kHz
Inductance (per Coil): 0.45 mH
Resonance Frequency (Pair of Coils): >500 kHz
Weight: 12 kg
Terminals: 4 mm female
Coil Separation acc. IEC 1000-4-8: 0.48 m
Coil Separation for best uniformity: 0.68 m
Max. Magn. Field Strength: 250 A/m (5 min.)
Nominal Magn. Field Strength: 125 A/m continuous
Magn. Field Strength, 1 A Coil Current: 12.45 A/m (Coil Dist. 0.48 m)

 

 

Schwarzbeck Helmholtz Coils HHS 5212 Data Sheet Schwarzbeck Helmholtz Coils HHS 5212 Data Sheet

 

HHS 5213 Helmholtz Coils 

Schwarzbeck HHS 5213  Helmholtz Coil

· Helmholtz Coils

· 1.25 m x 1.25 m

· 50 turns per coil

· according to EN 55103-2 A.2.1.b)

 

Schwarzbeck Helmholtz Coils HHS 5213-50 Data Sheet Schwarzbeck Helmholtz Coils HHS 5213-50 Data Sheet

HHS 5213-50 Helmholtz Coils 

Schwarzbeck HHS 5213  Helmholtz Coil

Number of turns: 50
Maximum Coil Current: 8 A (5 min.)
Nominal Coil Current: 5 A continuous
Max. Magn. Field Strength: 390 A/m (5 min.)
Nominal Magn. Field Strength: 240 A/m continuos
Magn. Field Strength, 1 A Coil Current: 48.5 A/m (coil Dist. 0.75 m)
Coil Separation acc. IEC 1000-4-8: 0.75 m
Maximum Coil Separation: 0.82 m
Mechanical Dimensions: 1.36 m x 1.36 m x 0.9 m
Usable Frequency Range: DC – 20 kHz
Inductance (per Coil): 10.5 mH
Resonance Frequency (Pair of Coils): >30 kHz
Weight: 18 kg
Terminals: 4 mm female

 

 

Schwarzbeck Helmholtz Coils HHS 5213-50 Data Sheet Schwarzbeck Helmholtz Coils HHS 5213-50 Data Sheet

 

HHS 3D 5213-50 Three-Dimensional Helmholtz-Coil Data Sheet 

Schwarzbeck HHS 3D 5213-50 Three-Dimensional Helmholtz-CoilWith the three-dimensional Helmholtz coil HHS 3D 5213-50 it is possible to create any vector field.

 

Specifications:

 

Frequency Range:

0 … 20 kHz

Number of turns (per Coil):

50

Maximum Coil Current:

8 A, 5 min.

Nominal Coil Current:

5 A continuous

Maximum Magnetic Field Strength:

390 A/m, 5min

Nominal Magnetic Field Strength:

240 A/m continuous

Resonant Frequency (per Coil):

> 30 kHz

Dimensions:

1.4 m x 1.4 m x 1.3 m

Weight:

Ca. 85 kg

Specifications:

Inner Coil (Y-Axis)

Effective Coil Dimensions:

1.1 m x 1.1 m

Coil Separation acc. EN 55103:

62 cm

Magnetic Field Strength, 1 A:

57,7 A/m

Resistance (Coil pair):

3.0 Ω

Inductance (Coil pair):

19.08 mH (Coil Dist. 0.62 m)

Specifications:

Center Coil (X-Axis)

Effective Coil Dimensions:

1.21 m x 1.21 m

Coil Separation acc. EN 55103:

68 cm

Magnetic Field Strength, 1 A:

52,5 A/m

Resistance (Coil pair):

3.3 Ω

Inductance (Coil pair):

21.3 mH (Coil Dist. 0.68 m)

Specifications:

Outer Coil (Z-Axis)

Effective Coil Dimensions:

1.32 m x 1.32 m

Coil Separation acc. EN 55103:

74 cm

Magnetic Field Strength, 1 A:

48.2 A/m

Resistance (Coil pair):

3.6 Ω

Inductance (Coil pair):

23.58 mH (Coil Dist. 0.74 m)

 

 

Schwarzbeck Helmholtz Coils HHS 5213-50 Data Sheet Schwarzbeck HHS 3D 5213-50 Three-Dimensional Helmholtz-Coil Data Sheet

 

HHS 5213-100 Helmholtz Coils 

Schwarzbeck HHS 5213  Helmholtz Coil

Number of turns: 100
Maximum Coil Current: 15 A (5 min.)
Nominal Coil Current: 9 A continuous
Nominal Magn. Field Strength: 900.9 A/m continuos
Magn. Field Strength, 1 A Coil Current: 100.096 A/m (coil Dist. 0.705 m)
Maximum Coil Separation: 0.83 m
Mechanical Dimensions: 1.46 m x 1.36 m x 0.91 m
Usable Frequency Range: DC – 5 kHz
Inductance (Coil pair): 88.3 mH (Coil Dist. 0.705 m)
Resonance Frequency (Pair of Coils): >13 kHz
Weight: 44.5 kg
Terminals: 4 mm female

 

 

Schwarzbeck Helmholtz Coils HHS 5213-100 Data Sheet Schwarzbeck Helmholtz Coils HHS 5213-100 Data Sheet

HHS 5215 Helmholtz Coils 

Schwarzbeck HHS 5215  Helmholtz Coil

· Helmholtz Coils

· up to 200 A/m constant H field

· 1,5 m x 1,5 m

· 10 turns per coil

 

Schwarzbeck Helmholtz Coils HHS 5215 Data Sheet Schwarzbeck Helmholtz Coils HHS 5215 Data Sheet

HHS 5215-10 Helmholtz Coils 

Schwarzbeck HHS 5215  Helmholtz Coil

Number of turns: 10
Maximum Coil Current: 20 A (5 min.)
Nominal Coil Current: 10 A continuous
Max. Magn. Field Strength: 200 A/m (5 min.)
Nominal Magn. Field Strength: 100 A/m continuos
Magn. Field Strength, 1 A Coil Current: 9.96 A/m (coil Dist. 0.6 m)
Coil Separation acc. IEC 1000-4-8: 0.6 m
Maximum Coil Separation: 0.86 m
Mechanical Dimensions: 1.5 m x 1.5 m x 0.9 m
Usable Frequency Range: DC – 100 kHz
Inductance (Coil pair): 0.6 mH
Resonance Frequency (Pair of Coils): >400 kHz
Weight: 14 kg
Terminals: 4 mm female

 

 

Schwarzbeck Helmholtz Coils HHS 5215 Data Sheet Schwarzbeck Helmholtz Coils HHS 5215 Data Sheet

 

HHS 5215-100 Helmholtz Coils 

Number of turns: 100
Maximum Coil Current: 20 A (5 min.)
Nominal Coil Current: 10 A continuous
Max. Magn. Field Strength: 2000 A/m (max. 5 min., dist. 0.84 m*)
Nominal Magn. Field Strength: 842 A/m continuos
Magn. Field Strength, 1 A Coil Current: 84.2 A/m (coil dist. 0.84 m*)
Maximum Coil Separation: 0.93 m*
Mechanical Dimensions: 1.69 m x 1.60 m x 1.00 m
Usable Frequency Range: DC – 6 kHz
Inductance (Coil pair): 112 mH
Resonance Frequency (Pair of Coils): >20 kHz
Weight: 53 kg
Terminals: 4 mm female

 

 

Schwarzbeck Helmholtz Coil HHS 5215-100 Data Sheet Schwarzbeck Helmholtz Coil HHS 5215-100 Data Sheet

HHS 5218 Helmholtz Coils 

Schwarzbeck HHS 5218 Helmholtz Coil

Number of turns: 10
Maximum Coil Current: 20 A (5 min.)
Nominal Coil Current: 10 A continuous
Max. Magn. Field Strength: 126 A/m (5 min.)
Nominal Magn. Field Strength: 63 A/m continuos
Magn. Field Strength, 1 A Coil Current: 6.26 A/m (coil Dist. 1.2 m)
Coil Separation acc. IEC 1000-4-8: 0.72 m
Maximum Coil Separation: 1.25 m
Coil Separation for best uniformity: 1.20 m
Mechanical Dimensions: 1.8 m x 1.8 m x 1.2 m
Usable Frequency Range: DC – 100 kHz
Resonance Frequency (Pair of Coils): >400 kHz
Weight: 17 kg
Terminals: 4 mm female

 

 

Schwarzbeck Helmholtz Coils HHS 5218 Data Sheet Schwarzbeck Helmholtz Coils HHS 5218 Data Sheet

 

HHS 5230-100 Pair Of Helmholtz Coils 

Schwarzbeck HHS 5230-100 3m Helmholtz Coil

The Helmholtz-Coil HHS 5230-100 are especially designed to generate precisely defined magnetic fields from DC to ca. 5 kHz, e.g. according to SAE J551-17. Typical applications are magnetic immunity testing to whole vehicles according to SAEJ551-17 (Vehicle Electromagnetic Immunity – Power Line Magnetic Fields).

 

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 Clearence: 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

 

 

Schwarzbeck Helmholtz Coil Pair HHS 5230-100 Data Sheet Schwarzbeck Helmholtz Coil Pair HHS 5230-100 Data Sheet

Schwarzbeck Assembly Instructions for Helmholtz Coil Pair HHS 5230 Assembly Instructions for Helmholtz Coil Pair HHS 5230

 

NFCN 9731-100 Matching Network 

The primary function of the compensation network NFCN 9731-100 is to provide a serial compensation of the inductance of i.e. the HHS 5230-100 at operation frequencies of 16.666 Hz, 50 Hz, 60 Hz, 150 Hz und 180 Hz. These operation frequencies are stipulated by SAE J551 – 17 (Vehicle Electromagnetic Immunity – Power Line Magnetic Fields). The compensation capacitor reduces th e overall impedance of the series circuit consisting of the Helmholtz coil HHS 5230-100 and the compensation network NFCN 9731-100 at the applied operating frequency and allows currents up to 8 Arms at a generator voltage of less than 60 Vrms.

 

Recommended amplifiers:

· 2 units of AE Techron 7224.

 

Schwarzbeck Compensation Network NFCN 9731-100 Data Sheet Schwarzbeck Compensation Network NFCN 9731-100 Data Sheet

Schwarzbeck Compensation Network NFCN 9732 Data Sheet Schwarzbeck DC Magnetic Field Immunity Testing Overview