gIMU-3G

Tactical Grade IMU System

The gIMU-3G® is ultra miniature tactical grade Inertial Measurement Unit based on most advanced commercially available MEMS-Based sensors.

The gIMU-3G® contains Hi-Performance best-in-class sensors (3-axis Accelerometers, 3-axis Gyros) and can replace FOG-based systems providing superior C-SWaP features and improve system robustness, size, powerconsumption and cost.

Built-In 32-Bit ARM Cortex-M7 MicroProcessor handles all data acquisition functions from the sensors, including calculations, compensations/calibration tasks & communication as well.

The gIMU-3G® is factory-calibrated over Temperature, Bias, Scale-Factor, Cross-Axis & Mis-Alignment and G-Sensitivity.

 

 

< 1mg over Full Temp Range

Tactical-Grade Accelerometer

0.8 °/Hr

Gyro Bias Stability

< 200 µg/g2

Low VRE

0.07 °/√Hr

Gyro Random Walk

< 20 µg

Accelerometer Bias Stability

2,000 Hz

Update Rate

ITAR/MTCR-free

Main Features

Tactical Grade Gyro & Accelerometer

Very Low VRE (Vibration Rectification Error)

Update Rate of up to 2,000 Hz

Wide Voltage Input Range 9 VDC – 32 VDC

Low Power < 100mA @ 12 VDC

Miniature, Light Weight

Optional Magnetometer & Baro Altimeter

ITAR Free

Applications

UAV/UGV

Smart Ammunition

Gimbaled Cameras

Platform Stabilization

EFIS / Flight Management systems

Antenna Tracking Systems

Specifications

AccelerometerGyroscopeRemarks
Full Scale Range± 10g± 500 deg/secothers upon req.
Bandwidth0…250Hz0…250Hz
Non Linearity2000 ppm200 ppm
Bias
- Stability< 20 µg0.8 °/hrAllan - Variance
- RepeatabilityToTo ± 300 µg
Day-to-Day < 400 µg
One Year < 1mg
< 20 °/hr
< 15 °/hr
n/a
- Over Full Temp< 500 µg< 60 °/hr
- Over 20°C Span < 150 µg< 20 °/hr
- Hysteresis300 µg< 30 °/hr
Scale Factor
- Repeatability500 ppm500 ppm
- Over Temp100 ppm500 ppm
Random Walk< 0.02 m/sec/√Hr0.07°/√Hr
Noise density<20 µg /√Hz< 0.003 °/sec/√Hz
VRE
(Vibration Rectification Error)
< 200 µg/g2< 0.001 °/sec/g23g RMS,
20-2000 Hz
g-Sensitivityn/a< 10°/hr/g
Latency < 1 msec < 1 msec
Non-Orthogonality< 300 μRad< 300 μRad
MisAlignment<1 mRad<1 mRad
Options OutputAx, Ay, Az, x‰Ï, y‰Ï, z‰Ï, Temp
Mx, My, Mz, mBar, Temp
Conning & Sculling
Digital InterfaceRS232/RS422
Frame Rate0...2000 Hz
Start Up Time< 500 mSec
Warm-Up Time To Full Performance< 5 sec
Input Voltage9 VDC – 32 VDC
Power Consumption< 100 mA @ 12VDC
Connectors9-pin Mini D-Type
Size42 x 30 x 24 mm
Weight< 42 gr
Temp Operation-40° C to +71° C
Mil-Spec 810-G Method 501.5 Procedure I
Power Consumption< 100 mA @ 12VDC
Mechanical Shock
- Operational40g, 10msec, 1⁄2 Sine
- Non-Operational500g, 0.5msec, 1⁄2 Sine
Vibration3 Grms, 20-2000 Hz Operational
6 Grms, 20-2000 Hz Endurance
Altitude70,000 feet Mil-Spec 810-G Method 500.5 Procedure III
EnclosureIP65 EN 595
MTBFTBD
EMCEN55022 Class B
Conducted & Radiation Emission
ESDIEC 61000-4-2

DOCUMENTATION AND RESOURCES

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