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SC20 Magnetic Field Cancelling System
Advanced Magnetic Field Cancelling Solutions

 
Introduction to Field Cancelling
 
SC12 Product Description
SC12 Product Specification
 
SC22 Product Description
SC22 Product Specification
 
Wideband DC Sensor
Frequently Asked Questions
Case Studies
 
 
SC20 Product Description
SC20 Product Specification
 
SC20 remote monitor
SC20FAST

SC20 Product Specification

COORDINATE SYSTEM X, Y, Z rectangular Cartesian
 
UNITS Gauss, Tesla (switchable)
 
FIELD CANCELLING
  1.  SC20-AC Sensor(s)
    Components cancelled X, Y, Z field components
    Dynamic range (X & Y) 80 mG (8 µT) pk-pk
    Dynamic range (Z) 60 mG (6 µT) pk-pk
    Field reduction ratio 50 X (typical) at 50/60Hz
    Bandwidth 0.5Hz - 5000Hz
    Detector noise limit 2 µG (0.2 nT) pk-pk
 
  2.  SC20-Wideband DC sensor(s)
    Components cancelled X, Y, Z field components
    Ambient DC field ± 2 G (± 200 µT) max
    Dynamic range (X & Y) ± 40 mG (± 4 µT) incremental
    Dynamic range (Z) ± 30 mG (± 3 µT) incremental
    Field reduction ratio 50 X (typical) at 50/60Hz (incremental)
  200 X (typical) at DC (incremental)
    Bandwidth DC - 2500 Hz
    Noise and Drift DC drift/24 hours    < 100 µG (10 nT) after 2 hour warm-up
  DC noise (0.0001- 0.01 Hz)    30 µG (3 nT) pk-pk (typical)
  Spot noise (at 50 Hz)    1 µG/√Hz (0.1 nT/√Hz)
 
FIELD MEASUREMENT
  Types 1. Real time field
  2. AC - true RMS amplitude
  3. Incremental DC (with DC sensor)
  Display
    RMS & DC 3.5 digit LED panel meters
    Sensor dynamic range > 20 mG pk-pk
    Note: RMS & DC measurement ranges are limited by sensor pk-pk range
    Meter range (reading) 0-19.99 mG (1.999 µT) RMS
  ± 19.99 mG (1.999 µT) DC
  Accuracy
    Note: sensors are calibrated with 50 Hz, 10mG RMS square wave field.
    RMS ± 1.0 % of reading ± 20 µG (2 nT)
    Incremental DC ± 5.0 % of reading
  Real time field monitor
    Signals X, Y, Z, real time field
    Scaling 1.0 V/mG
    Range >± 10 Volts
    Source resistance 10 kOhms
    Connectors 3 X BNC
    Bandwidth 5 Hz - 20 kHz (AC sensor )
  DC - 5 kHz (DC sensor)
  Trip range adjustment
    AC-RMS 0 - 2.0 mG (200 nT)
    DC 0 - 5.0 mG (500 nT)
 
POWER 120/240 V 50/60 Hz, 100 VA