Silicon Sensing DMU41 IMU Sensor
High-Performance MEMS IMU with Ultra-Low Bias Instability
Silicon Sensing DMU41 IMU Sensor is a high-performance MEMS-based Inertial Measurement Unit engineered for precision and reliability. With ultra-low bias instability and exceptional noise performance, DMU41 is ideal for demanding applications in aerospace, marine, and industrial environments. Its rugged design ensures consistent and accurate data in challenging conditions, making it a trusted choice for critical navigation and stabilization systems.
DMU41 IMU Sensor Technical Specifications
Supply Voltage | 4.75V to 32V |
Angular Random Walk | 0.02˚/√hr |
Bias Instability | 0.1°/hr, 0.015mg |
Bandwidth (nominal) | IMU>77Hz Acc sencor 250Hz Gyro sensor 150Hz |
Operating Temperature | -40°C to +85°C |
Typ. Current Consumption | 125mA (at 12V) |
Angular Rate Range | ±490˚/s |
Axes of Acceleration | 3 |
Velocity Random Walk | 0.05m/s/√hr |
Axes of Angular Rate | 3 |
Noise Spectral Density Gyro | 0.05 °/s rms |
Noise Spectral Density Acc | 0.9 mg rms |
Rate SF over Temp | -700ppm to +700ppm (over life) |
Rate Bias Over Temperature | -30°/h to +30°/h (over life) |
Acc Bias over Temp | -7mg to +7mg (over life) |
Acc SF over Temp | -1000ppm to +1000ppm (over life) |
Baud Rate | 115200/ 230400/ 460800/ 921600 |
Accelerometer Bias Instability | 15μg 1σ to 30μg Max |
Vibration Rectification Error | Acc: ±0.006°/s/g²rms Gyro: ±0.15mg/g²rms |
Why Choose the DMU41 IMU Sensor?
Precision 6-DOF MEMS Inertial Measurement Unit
Silicon Sensing’s class leading VSG3QMAX inductive gyro and dual-axis capacitive accelerometer MEMS
Excellent Bias Instability and Random Walk Angular - 0.1°/hr, 0.02°/√hr Linear - 15µg, 0.05m/s/√hr
Non-ITAR
Compact and lightweight - 50.5 x 50.5 x 51.0 (mm), <170g
Internal power conditioning to accept 4.75V to 32V input voltage
External synchronization (PPS external trigger)
RS485 & RS422 interface and sync pulse output
-40°C to +85°C operating temperature range
Low power consumption <2.5W
Sealed aluminium housing (IP67)
Designed to support RTCA/DO-178/DO-254/ DO-160G certification
RoHS compliant
In-house manufacture from MEMS fabrication to IMU calibration
Evaluation kit and integration resources available
First class customer technical support
Fixed interface
What Is the DMU41 IMU Sensor Used For?
Guidance, navigation and control (Space, Air, Land, Sea, Subsea)
MEMS alternative to FOG/RLG IMUs
Platform/camera/antenna stabilisation
GPS drop-out aiding
GNSS (Global Navigation Satellite System)
Airborne, land-based and hydrographic survey and mapping
AHRS (Attitude and Heading Reference System)
INS (Inertial Navigation Systems)
Small satellite stabilisation and attitude control
Autonomous vehicles, UAVs and ROVs
Machine control and motion measurements
Launch vehicle
Ordering Information
Part Number: DMU41-01-0100
High Performance MEMS Inertial Measurement Unit (USER CONFIGURABLE interface version)
Part Number: DMU41-02-0100
High Performance MEMS Inertial Measurement Unit (FIXED interface version)
Part Number: DMU41-00-0500
Customer Evaluation Kit (EVK) comprising an RS422 to USB Connector, USB Driver and Data Logging Software, Cables and Connectors (DMU41 is NOT included)
Part Number: Glenair MWDM2L-15P-6E5-18
Mating connector plug and cable for DMU41
Frequently Asked Questions
What is the DMU41 IMU Sensor?
Silicon Sensing DMU41 IMU Sensor is a high-performance MEMS-based Inertial Measurement Unit engineered for precision and reliability. With ultra-low bias instability and exceptional noise performance, DMU41 is ideal for demanding applications in aerospace, marine, and industrial environments.
What does an IMU like the DMU41 IMU Sensor measure?
The DMU41 IMU Sensor measures angular rate and linear acceleration on three axes. Fused with GNSS or used in an AHRS/INS, this enables orientation, stabilization and navigation even when satellite signals are unavailable.
Where is the DMU41 IMU Sensor available?
The DMU41 IMU Sensor is available through Leo Drive in the following region: Turkey. For other regions, please contact Leo Drive.
How can I get the datasheet and technical documents for the DMU41 IMU Sensor?
The datasheet, user manual and other technical documents for the DMU41 IMU Sensor are available on the manufacturer’s website. You can also contact Leo Drive for documentation and integration support.
Explore More at Leo Drive
The DMU41 IMU Sensor is part of the Inertial Measurement Units range at Leo Drive. Browse all autonomous vehicle sensors and components, or talk to our engineering team about integration in your project.
