Inertial Measurement Units (IMUs)
Links |
| SPAN Brochure (PDF) |
SPAN™ technology tightly couples NovAtel’s OEMV® GNSS receiver technology with an Inertial Measurement Unit (IMU). NovAtel markets a variety of IMUs from leading IMU manufacturers. This provides our customers with the opportunity to select an IMU that offers the accuracy or price point their application requires.
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IMU |
Description |
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IMU-CPT | The IMU-CPT is a stand-alone IMU based on NovAtel’s SPAN-CPT comprising fiber-optic gyros and MEMS accelerometers. |
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Tactical grade, low noise IMU from iMAR GmbH. |
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 Universal SPAN IMU Enclosure |
Tactical grade, low noise IMU from Northrop Grumman. |
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Economical, tactical grade IMUs from Honeywell including IMU-H62 and IMU-H58. |
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Tactical grade, low noise IMU from Northrop Grumman. |
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SPAN-CPT & IMU-CPT |
IMU-H62 |
IMU-H58 |
IMU-FSAS |
UIMU-LN200 |
UIMU-LCI |
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Gyro Bias In-run Stability (deg/hr) |
1 |
1 |
1 |
0.75 |
1 |
1 |
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Gyro Bias Offset (deg/hr) |
20 |
5 |
1 |
0.75 |
1 |
1 |
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Gyro ARW (deg/rt-hr) |
0.067 |
0.5 |
0.125 |
0.1 |
0.07 |
0.05 |
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Gyro Scale Factor (PPM) |
1500 |
150 |
150 |
300 |
100 |
500 |
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Gyro Range (+/- deg/s) |
375 |
1000 |
1000 |
450 |
1000 |
800 |
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Accel Bias (mg) |
50 |
2 |
1 |
1 |
0.3 |
<1.0 |
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Accel Scale Factor (PPM) |
4000 |
300 |
300 |
300 |
300 |
<1000 |
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Accel Range (+/-g) |
10 |
50 |
50 |
5 |
40 |
40 |
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Output Rate (Hz) |
100 |
100 |
100 |
200 |
200 |
200 |
SPAN MEMS Technology
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IMU |
Description |
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The HG1900 is a gyro-based MEMS IMU manufactured by Honeywell. Economical, robust and small in size, the low power HG1900 provides high end tactical grade performance for commercial and military guidance and navigation applications. Dimension: 73.7 mm dia. x 73.7 mm h |
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The HG1930 is a small, low-cost MEMS IMU manufactured by Honeywell. It provides tactical grade performance for unmanned vehicles and other commercial and/or military guidance applications. Dimension: 50.8 mm dia. x 33 mm h |
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The LandMark™ 20 is the mid performance model of Gladiator Technologies Landmark™ series of MEMS IMU. It features low noise gyros and accelerometers in a small, light weight and ruggedized environmentally sealed enclosure. The LandMark™ 20 enables precision measurements for applications that require both low cost, high performance and rugged durability in a very small form factor. Dimension: 50 x 45 x 32 mm |
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The LandMark™ 40 is a high performance Micro Electromechanical System (MEMS) inertial measurement unit (IMU) from Gladiator Technologies. It features ultra low noise gyros and accelerometers in a small, light weight and ruggedized environmentally sealed enclosure. The LandMark™ 40 enables precision measurements for demanding dynamic applications that require high performance in a small size. Dimension: 50 x 45 x 32 mm |