Jewell QFA-180 Series High Temperature Quartz Flexure Accelerometer

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

Jewell QFA-180 Series High Temperature Quartz Flexure Accelerometer

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

Features & Benefits

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

Applications

  • Well borehole logging (Wireline)
  • Measure While Drilling (MWD)
  • Structural Monitoring
  • Oil Drilling
  • Survey Applications
  • Orientation Systems for Drilling Applications

Performance

Acceleration Range, g Max.

±30
Scale Factor, mA/g (Note 1)

1.1 to 1.4
Bias, milli-g, Max. (@ 25° C)

40
Axis Alignment, mRad, Max. (@ 25° C)

±15
Threshold and Resolution, µg, Max.

10
Bandwidth, Hz, Min.

300
Scale Factor Temp. Sens, PPM/°C, Max.:
25°C to 100°C

±80
100°C to 180°C

±170
Bias Temp. Sens, µg/°C, Max.

±100
Scale Factor Stability (1 year composite)

less than 350 ppm
Bias Stability (1 year composite)

less than 500 ug
Noise, mgrms, Max. (0Hz to 10kHz) (Max.)

3
Weight (grams)

55

 

Electrical

Input Voltage, Vdc

±12 to ±18
Input Current (quiescent), mA (Max.)

20
Output Impedance, ohms (Note 2)

External Load Resistor Dependent

 

Environmental

Operational Temp Range, °C

-55°C to 180°C
Vibration, (Sine)

25 Hz to 500 Hz, 25g
Vibration, (Random) Rectification, ug/g²rms

50 Hz to 500 Hz, 100 ug/g²rms
Shock, g (0.5 msec, 1/2 sine)

1000

 

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No Information Available.