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Miniature Accelerometer for High-Dynamic & Precision Systems


Lead time on the AI-Q-550 is available for delivery in 6-8 weeks for quantities between the range of 5-20. 

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Control Grade Miniature Sensor

The AI-Q-550 is a tactical grade miniature accelerometer, built with Quartz Flexure technology. Offering an input range of ±80 g with one-year bias composite repeatability better than 1 millie g, in a compact and ruggedized casing that provides a high shock and vibration resistance matching the highest industry standards. Ideal when tactical grade performance, small dimensions robustness & reliability are required. 

Key Performance 

  • Tactical grade performance
  • Good Bias
  • High input range
  • High stability under temperature changes
  • High reliability
  • Internal temperature sensor for thermal compensation
  • Miniature accelerometer with rugged design

AI-Q-550 with Euro and Dollar


Additional product specifications, outline drawings and block diagrams, and test data are available on request.






Input Range* g ±80
Bias mg <4
One-year Composite Repeatability  µg <1000
Temperature Sensitivity µg/°C <50
Scale Factor mA/g 0.65 to 0.85
One-year Composite Repeatability ppm <600
Temperature Sensitivity  ppm/°C <100
Axis Misalignment   µrad <1500
Vibration Rectification  µg/g2 RMS

≤25 (50-200 Hz)

≤50 (200 - 750 Hz)

≤100 (750-2000 Hz)

Intrinsic Noise µg RMS ≤7 (0-10 Hz)
≤70 (10-500 Hz)
≤1500 (500-10000 Hz)
Operating Temperature °C -55 to +105
Shock g 250
Vibration Peak Sine g, Hz 35 peak
Resolution/Threshold µg ≤1
Bandwidth  Hz

≥ 300

Temperature Model
Quiescent Current per Supply mA ≤6
Quiescent Power @±15VDC mW ≤180
Input Voltage VDC ±13 to ±18
Weight  g 25.8
Diameter below mounting surface mm Ø 18.2
Height – bottom to mounting surface mm 11.2
Case Material
300 Series Stainless Steel


                                                             *The AI-Q-560 is the commercial alternative with a limited measurement range of ±15g


Due to its miniature size, the AI-Q-550 is ideal for a wide range of modern, high-tech and precision-guided systems. The commercial alternative is the AI-Q-560 which is based on the same design and production process, with the same performance parameters, but with a measurement range limited to 15g. 

-Tactical grade Inertial Measurement Units

-Flight Control Systems


-Platform Levelling

-Land & Rail Vehicles Measurement Systems

-Inclinometers for industrial & drilling

-Robotic systems

-Structural Health & Maintenance


Browse our library of inertial sensor technical papers for an in-depth view of our  Quartz Pendulous Accelerometers.

Customised Solution

InnaLabs® have the Engineering resources to provide custom solutions to meet your project needs, with excellent pre and post-sale customer support. 

Flexibility for Project Requirements

InnaLabs® dedicated and experienced engineers are committed to customer satisfaction by providing innovative technology, quality products, and custom solutions to meet your project needs. More questions? Evaluations and low volume deliveries are available quickly and our product team are waiting to hear from you. 

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Similar Products 

InnaLabs® offers a range of accelerometers based on the same design and production processes, including the AI-Q-710, AI-Q-1410 and AI-Q-20X0 families.