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Q-Flex QA-650 Single Axis Quartz Accelerometer

Overview
Honeywell’s Q-Flex QA-650 accelerometer is an economical, single axis quartz sensor package designed for industrial applications where accuracy, durability and quality are critical. As with the entire Q-Flex family of accelerometers, the QA-650 features a patented Q-Flex etched-quartz-flexure seismic system and its amorphous quartz proof-mass structure provides excellent bias, scale factor and axis alignment stability.The integral electronics develops an acceleration-proportional output current, providing both static and dynamic acceleration measurements. By use of a customer supplied output load resistor, appropriately scaled for the acceleration range of the application, the output current can be converted into a voltage.Key Honeywell Advantages:
  • Tactical navigation grade performance
  • High value
  • Environmentally rugged
  • Analog output
  • Compact design
  • Built-in test
  • Field-adjustable range

Specifications

Key Differentiators

  • Certifications

    • ISO-9001

Dimensions

  • Weight

    • 51 Nominal, 65 Max. grams
  • Dimensions

    • 0.617 in. Max Height (bottom to mounting surface)
    • Ø1.045 ±0.005 in. Diameter (below mounting surface)

Performance Data

  • Bias

    • <15 mg
  • Scale Factor - One-year Composite Repeatability

    • 1.20 to 1.40 mA/g <2500 ppm
  • Bias -One-year Composite Repeatability

    • <2500 µg
  • Quiescent Current per Supply

    • <16 mA
  • Vibration Rectification

    • <100 µg/g²rms (50-500 Hz)
  • Temperature Sensitivity

    • <100 μg/°C
    • <200 ppm/°C
  • Operating Temperature

    • -55 to +96°C
  • Resolution/Threshold

    • <10 µg
  • Vibration Peak Sine

    • 25 g @ 30-500 Hz
  • Axis Misalignment

    • <15000 µrad
  • Thermal Modeling

    • Yes
  • Quiescent Power

    • <480 mW @ ±15 VDC
  • Intrinsic Noise

    • <3000 (0-10,000 Hz)
  • Input Voltage

    • ±13 to ±18 VDC voltage alternating current
  • Case Material

    • 300 Series Stainless Steel
  • Scale Factor

    • 1.20 to 1.40 mA/g
  • Applications

    • Automotive test instrumentation
    • Autonomous vehicle testing
    • Braking system deceleration
    • Bridge and building sway and tilt monitoring
    • Industrial and robotic control
    • Land vehicle navigation
    • Offshore drilling platform motion monitoring
    • Subway and train ride comfort control
  • Input Range

    • ±30 g
  • Bandwidth

    • >300 Hz
  • Output

    • Analog
  • Shock

    • 100 g

Resources

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