Jewell QFA-125 Series Standard Quartz Flexure Accelerometer

The Jewell Instruments QFA-125 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-125 Series Standard Quartz Flexure Accelerometer

The Jewell Instruments QFA-125 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

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

Applications

  • Rail Maintenance Track Geometry
  • Wind Tunnel Testing
  • 3D Modeling Equipment for Large Scale Geometries
  • Navigation Grade Performance
  • Survey Applications
  • Control Systems
  • Marine Instrumentation

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 125°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 125°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

No Information Available.

No Information Available.