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Inertial Measurement Unit (IMU).



Product Description

POLARIS is an ITAR-free, Single Event Latch-up tolerant and high-performance Inertial Measurement Unit (IMU). It provides to user equipment on a digital RS422 interface, velocity increments and angle increments about three orthogonal measurement axes. Developed with the support of the European Space Agency (ESA), POLARIS is designed for short to medium-term space missions, including launchers, micro-launchers, landers and re-entry vehicles for which the driving issue is reliability and meeting performance at reduced cost and size.


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

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Gyroscope Technology

The core Gyro technology used in POLARIS is InnaLabs® patented and proven solid-state CVG technology  (Coriolis Vibratory Gyroscope). InnaLabs® CVGs are inherently stable, impervious to aging effects in space missions, low mass, low power consumption and achieve outstanding Angular Random Walk.

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Accelerometer Technology

The CVG perfectly balances with InnaLabs® miniature fused Quartz pendulous accelerometers. These accelerometers are derived from InnaLabs® AI-Q-550, which is an aerospace-grade design delivering dub-milli-g long term stability in high-dynamic environments. 

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How to Order

POLARIS will be released to the market in Q2 2021. Prototypes available before that date, on-demand. 


Parameters Values
Temperature +45°C to 85°C
Random Vibrations ≥ 25g rms
Sine Vibrations 25g pk
Shocks 500 g (half-sine)
Gyroscope Performance
Angular Random Walk ≤ 0.01°/√hr
In-run bias ≤ 0.3 °/hr (1σ)
Bias erros (temp.) ≤1 °/hr (1σ) (typical)
Scale Factor errors (all effects)  ≤ 200 ppm (typical)

≤ 100 µ.s/√hr (i.e. 0.001 (m/s)/√hr

In-run bias ≤ 10 µg (1σ)
Bias erros (temp.) ≤ 300 µg (1σ) (typical)
Scale Factor errors (all effects) ≤ 150 ppm (typical)




POLARIS can be use in many space applications. 


Applications include the following

  • Micro-Launchers
  • Heavy Launchers
  • Cargo Launchers
  • Geostationary Earth Orbit (GEO)
  • Low Earth Orbit (LEO)
  • Medium Earth Orbit (MEO)
  • Telecommunications Satellites
  • Exploration Missions 
Launch Of Cargo Spacecraft Progress


Browse our library of inertial sensor technical papers for an in-depth view of our Coriolis Vibratory Gyroscope.

Customised Solution

InnaLabs® have the technology and 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 sales team are waiting to hear from you. 

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