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SC11 Basic Analysis System
Magnetic Field, Vibration and Acoustics - In-depth analysis from the compact, all-in-one easy to use system

 
SC11 Introduction
 
Basic System Description
Basic System Specification
 
SC11 Sensor Interface System Description
SC11 Sensor Interface System Specification
 
  SC11 Software
SC11 Wizard
SC11 Spectrum Analyser
SC11 Chart Recorder
SC11 Oscilloscope
SCplot
 

SC11 Basic System Product Specification

System
  Carrying Case Size 58 x 36 x 19 cm (23 x 14 x 7.5 in) approx.
  Weight 11 kg (24 lb) approx. including typical laptop PC.
     
Laptop Personal Computer
  Processor 2.53GHz Dual Core Pentium min (or equivalent)
  Memory 2GB rec.
  Free Hard Disc 120GB typ.
  Optical Drive CD/DVD reader (DVD+R compatible)
  Operating System Windows XP/Vista/7
 
Core System: SC11 AC Magnetic Field Sensor
  Co-ordinate System X, Y, Z rectangular Cartesian
  Bandwidth 1 Hz - 20 kHz
  Dynamic Range 80 mG (8 µT) Pk-Pk
  Noise Limit 3 µG RMS max.
  Accuracy ±1 %
  A channel Inputs  
    VIBR 1-axis vibration (Wilcoxon 731A)
    AUX BNC voltage input, DC coupled, ±10 V range, 100 kΩ input impedance
  Anti-aliasing filters 20 kHz
 
Vibration Sensor: Wilcoxon 731A Accelerometer
  Type Wilcoxon Research, model 731A
  Bandwidth 0.1 - 500 Hz
  Dynamic Range 2 m/s2 (o.2 g's*) Pk-Pk (in this system)
  Noise Limit 7 µm/s2 RMS max.
    0.35 µm/s RMS at 1Hz, 0.11 µm/s RMS at 5Hz
    0.07 µm RMS at 1Hz, 0.0035 µm RMS at 5Hz
  Accuracy ±5 % (with gain calibration file)
 
Acoustic Sensor: Sound Level Meter
  Type Radio Shack, Model 33-4050
  Bandwidth 32Hz - 20 kHz, dBA and dBC weightings
  Dynamic Range 126 dB
  Noise Limit 50 dB
  Accuracy ±2 dB at 114 dB sound level
  Meter Response Fast, Slow
  Signal Output 1.0 V peak into open circuit with full scale meter deflection at 1 kHz
  Load Impedance 10 kΩ min.
  Distortion < 2 % at 1 kHz and 0.5 V
 
1-Axis Magnetic Field Sensor: Flux Gate Magnetometer
  Type MEDA µMAG-01N
  Bandwidth 0 - 400 Hz
  Ranges ±20.00, ±200.0, ±2000 mG full scale
  Accuracy ±0.5% of full scale
  Linearity ±0.05% of full scale
  Signal Output ±2 V full scale
 
Programs (General)
  Channels 4 (X, Y, Z, A)
  Display Show or hide individual channels
  Clipping Audio/visual indication
  Pause control Freeze/resume instrument operation
  Pan & Zoom Examine any section of the plot
  Calibration panel Add/select sensors, set ranges, calibrate offsets, add/edit user defined units, set export file options.
  Setup file Open/save instrument controls
  Export Export results for spreadsheet
  Print window Print current screen display
  Help Context help on controls, online help file
 
Oscilloscope
  Position Set, zero or lock vertical positions
  Select Highlight or trigger from selected signal
  Amplitude Units
    Magnetic Field mG, nT, µT, mA/m, A/m
    Vibration µg's*, mg's*, µm/s2, mm/s2
    Acoustic mPa, Pa
    Voltage mV, V, user defined units
    Resultant |XYZ| Magnetic Field units
  Time ranges (ms) 0.5, 1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, 2000
  Bandwidth (Hz) 20,000 for time ranges 0.5, 1, 2, 5
    At least 100,000/(time range) for other time ranges
  Digital Meter RMS, Peak to Peak (all channels)
  Trigger Auto/Manual level, +/- edge, source, one-shot
  Capture indicator Indicates progress of data acquisition
 
Spectrum Analyser
  Displays Waveform (autoscaling), Spectrum
  Select Highlight and attach cursor to selected signal
  Amplitude units
    Magnetic field mG, nT, µT, mA/m, A/m
    Vibration µg's*, mg's*, µm/s2, mm/s2, µm/s, mm/s, nm, µm
    Acoustic mPa, Pa, dB
    Voltage mV, V, user defined units
    Resultant |XYZ| Magnetic Field
  Amplitude ranges 1, 2, 5, 10, 20, 50, 100, 200, 500, log full scale.
  Frequency ranges 20, 25, 30, 40, 50, 60, 80, 100, 120, 160, 200, 250, 300, 400, 500, 600, 800, 1000, 1200, 1600, 2000, 2500, 3000, 4000, 5000, 6000, 8000, 10000, 12000, 16000, 20000 Hz full scale.
  Number of points 200, 250, 400, 500, 800, 1000, 1600, 2000, 3200, 4000
  Accuracy Frequency: ±0.01% ±0.02 div
  Waveform windows None, Hanning, Flat top
  Spectrum modes RMS, 0-Pk, Pk-Pk, PSD, Third Octave (RMS, 0-Pk, Pk-Pk)
  Combine spectra Average/Peak, Max no. spectra
  Cursor modes Total RMS between 2 tracking cursors, 10 harmonic cursors
  Capture indicator Indicates progress of data acquisition
  Specification files Create, edit, add & remove. Compare with measurements.
  Data logging Start: Now, At time, Triggered by flat level, Triggered by spec
    Stop: Period, File size, Disk space
    Min. time step: 1 minute
 
Chart Recorder
  Position Set or zero vertical positions
  Amplitude units
    Magnetic field mG, nT, µT, mA/m, A/m
    Vibration µg's*, mg's*, µm/s2, mm/s2, µm/s, mm/s, nm, µm
    Acoustic mPa, Pa, dB
    Voltage mV, V, user defined units
    Resultant |XYZ| Magnetic Field
  Page length 5, 10, 25, 50, 100, 250, 500 s
  Chart length 20 Pages
  Max Bandwidth (Bandwidth may be reduced by controls)
    Magnetic field 0.1 Hz - 2.5 kHz (DC - 400 Hz for magnetometer)
    Vibration 0.1 Hz - 500 Hz
    Acoustic (SLM) 32 Hz - 2.5 kHz
    Voltage DC - 2.5 kHz
  Bandwidth controls XYZ/A upper/lower for all modes except narrow band
  Narrow band filter Centre frequency, f0 range: 1 Hz - 1250 Hz
Accuracy: ±1% within pass band (f0 ± 3%)
Attenuation: 60 dB min. in stop band (f0 ± 20%)
  Chart modes Waveform, RMS, Peak to Peak, Narrow band RMS, Narrow band Pk-Pk.
  Markers Time, text string
  Clear Clear chart data
  Buffer indicator Indicates state of data buffer
  Update modes Page, scroll
  Data logging Start: Now, At time, Triggered
Stop: Period, File size, Disk space
Log rate limit, time step: ≥ (page length)/500
 
* g is the acceleration due to gravity