HM series gaussmeter [Three axis type]
■Model HM-310 HM-3510 HM-315 HM-3520 HM-375/375A
■Appearance
DC magnetic field

DC magnetic field
AC magnetic field

DC/AC magnetic field
High sensitivity, AC magnetic field
■Outline
  • Easily measure DC magnetic field as geomagnetism (0 to ±199.9μT)
  • Detecting method is Resonance type of magnetic oscillation
  • Resolution is 0.1μT
  • Easily measure X, Y and Z component of AC magnetic field (50Hz to 20kHz, 0 to 199.9μT) simultaneously
  • Sensor assembly is air-core search coil method (concentricity axis)
  • Resolution is 0.1μT
  • DC sensor assembly is Resonance type of magnetic oscillation method
  • Easily measure DC magnetic field (0 to ±199.9μT)
  • AC sensor assembly is air-core search coil method
  • Easily measure a X,Y,Z component of AC magnetic field(50Hz to 20kHz, 0 to 199.9μT)
  • Resolution is 0.1μT
  • Easily measure a X,Y,Z component of AC magnetic field (45Hz to 500Hz ) simultaneously
  • Displays true RMS
  • Sensor assembly is air-core search coil method
  • Maximum resolution is 1nT (375A:0.1nT)
■Features
  • Temperature characteristic is satisfactory, and can use after power on immediately.
  • Recorder output terminal
  • Easily adjust the point zero of sensor
  • As optional reconstruction, there are a cancel function and 0.01μT change
  • Except for AC power, continuous duty of long time is possible with charge type battery
  • With auto sensor zero adjustment function
  • Except for AC power, continuous duty of long time is possible with charge type battery
  • With GP-IB and RS-232C interface
  • With Auto-Cancel function
  • With waveform monitor output terminal
  • 0.01μT change is possible
  • Except for AC power, continuous duty of long time is possible with charge type battery
  • With waveform monitor output terminal
  • With auto sensor zero adjustment function
  • Except for AC power, continuous duty of long time is possible with charge type battery
  • With GP-IB and RS-232C interface
  • With Auto-Cancel function
  • Three component indication (true RMS) and compound value indication
  • Select frequency of built-in band pass filter voluntarily
  • With waveform monitor output terminal
  • With RS-232C interface
■Specifications
DC magnetic field measurement Mesurement range 0 to ±199.9μT - 0 to ±199.9μT -
Resolution 0.1μT - 0.1μT -
Linearity error
(Each axis)		 ±0.5% of F.S. - ±0.5% of F.S. -
Cancel range
(Approx.)		 ±50μT(Optional) ±50μT(Auto) - ±50μT(Auto) -
AC magnetic field measurement Indication - - true RMS true RMS true RMS
Frequency range - - 50Hz to 20kHz 50Hz to 20kHz 45Hz to 500Hz
Mesurement range - - 0 to 199.9/19.99μT change 0 to 199.9μT 10/1/0.1μT change
Resolution - - 0.1μT/0.01μT 0.1μT 1nT(375A:0.1nT)
Linearity error - - ±1.0% of F.S.(Each axis)
Frequency responce
(at F.S)
(Each axis)
 - - ±1.5% (400Hz to 10kHz)
±3.0% (50Hz to 400Hz､10kHz to 20kHz)		 ±1.5% (400Hz to 10kHz)
±3.0% (50Hz to 400Hz､10kHz to 20kHz)		 -
Power supply AC100V(50Hz/60Hz)
Built-in charge type battery 		AC100V(50Hz/60Hz)
Dimension Main body
(W)*(H)*(D)
 250*100*300mm 250*99*350mm
Probe 35*35*35mm 35*35*35mm 42*42*83mm 35*35*35mm 50*50*50mm
(375A:120*120*120mm)
Probe cable (Approx.) 3m 5m
Weight (Approx.) 3kg 4.5kg 3kg 4.5kg 5kg
Optional Cancel function
0.01μT change
RS-232C interface		 - RS-232C interface - -

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