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Schloder CAL 1250 50/60 Hz Magnetic Field Calibrator

New

  • Generation of magnetic fields by 3-channel generator/amplifier combination for calibration purpose
  • Complies to IEEE644
  • Loop sensor for field verification is included
  • Application Software WIN7 compatible
  • Connection to computer via USB-port

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Schloder CAL 1250 Data Sheet

Magnetic Field Calibrator

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Test Equipment Description

Schloder CAL 1250 50/60 Hz Magnetic Field Calibrator

The magnetic field calibration device uses a triaxial Helmholtz coil to generate a three dimensional magnetic field. The CAL 1250 has three independent channels which each consists of an internal generator and a power amplifier.

Performance feature

  • Compact device
    The calibrator CAL 1250 is a compact device for generating and measuring electric fields at 50 Hz or 60 Hz. Signal generator, 3 precision power amplifier and a voltmeter are integrated. Field strenghts in the range of 10 mG to 1200 mG can be generated.

  • Definition of the measurement results
    Verifications are possible in the observation by A/m - µT - mG - dB(µA/m) or dB(pT).

  • Scope of delivery
    The three-dimensional Helmholtz coil MGA_HCST_50-28, the sensor coil MGA_LS 133 and a comfortable control software are included. The connection to the computer via USB.
SPECIFICATIONS
Generator
Number of channels3
Frequency range50 / 60 Hz
Phase resolution1 °
SignalSine wave
Amplifier
Number of channels3
Output voltage±15 V
Output current1,5 A
Frequency range15 Hz - 50 kHz
Voltage input (loop sensor)
Frequency range3 Hz - 200 kHz
Input impedance2 kOhm
ConnectorXLR, balanced
Max. input voltage100 mV
Gain40 dB
Loop Sensor
Diameter133 mm
ShieldingElectrostatic
Correction factorsee calibration sheet (50 Ω / 600 Ω / 1MΩ)
DC resistance~ 10 Ω
Inductance~ 340 µH
ConnectorXLR
Triaxial Helmholtz Coil System
Edge length / Coil separation
X axis
Y axis
Z axis		50 cm / 28 cm
46 cm / 25,8 cm
42 cm / 23,6 cm
Number of turns (per coil)26
Min field strength10 mG
Max field strength3000 mG
Resolution of field strength0,1 mG
Field Homogeneity± 0,1% (sphere diameter < 100mm)
± 1,0% (sphere diameter 100mm - 200mm)
Frequency rangeDC - 10 kHz
Nominal current5 A
DC resistance~ 4 Ohm
Inductance~ 15 - 20 mH
Uncertainty± 1%

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