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  5. QFA-180-30G-LC Low Input Current Quartz Flexure Accelerometer

QFA-180-30G-LC Low Input Current Quartz Flexure Accelerometer

The QFA-180-30G-LC series accelerometers are state-of-the-art Artificial quartz bending technology that offers high accuracy, Repeatability and stability even in the square flange - Outline drawing of harshest environments.

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About the QFA-180-30G-LC Low Input Current Quartz Flexure Accelerometer

QFA-180-30G-LC Series Accelerometers are state of the art quartz flexure technology that provides high accuracy, repeatability and stability even in the harshest of environments.

 

Key features QFA-180-30G-LC

  • High Temperature
  • Excellent Repeatability
  • High Accuracy
  • Environmentally Rugged
  • High Stability
  • Square or Round Mounting Flanges
  • Small Compact Design
  • Built-in Self Test System

Applications QFA-180-30G-LC

  • Well borehole logging (Wireline)
  • Measure While Drilling (MWD)
  • Oil Drilling
  • Orientation Systems for Drilling Applications
  • Borehole Mapping

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QFA-180-30G-LC Low Input Current Quartz Flexure Accelerometer

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Technical Specifications

Specification Value
Acceleration range, g max. (note 1) ±30
Axis alignment, mrad, max. (@ 25° c) 1.5
Bandwidth, hz, min. 300
Bias temp. sens, µg/°c, max. ±50
Bias, milli-g, max. (@ 25° c) 10
Input current, ma +/-13mA max @ +/-18Vdc input / +/- 10mA nominal @ +/-15Vdc input / +/- 8mA nominal @ +/-12Vdc input
Input voltage, vdc ±12 to ±18
Noise, mgrms, max. (0hz to 10khz) (max.) 3
Operational temp range, °c -55°C to +180°C
Output impedance, ohms External Load Resistor Dependent
Scale factor temp. sens, ppm/°c, max.: +25°C to +100°C / ±100 - +100°C to +180°C / ±170
Scale factor, ma/g (note 2) 1.1 to 1.4
Shock, g (0.5 msec, 1/2 sine) 1000
Threshold and resolution, µg, max. 10
Vibration, (random) rectification, ug/g²rms 50 Hz to 500 Hz, 100 ug/g²rms
Vibration, (sine) 25 Hz to 500 Hz, 25g
Weight (grams) 55