3DM-CV7-AHRS

Tactical Grade Embeddable IMU/AHRS

The MicroStrain by HBK 3DM-CV7 Inertial Measurement Unit (IMU) and Attitude Heading Reference System (AHRS) offers tactical grade performance in the smallest and lightest OEM package yet. Each 3DM-CV7 sensor is individually calibrated for optimal performance over a wide range of operating conditions.

MicroStrain by HBK

Williston, US

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Description

MicroStrain’s auto-adaptive Extended Kalman Filter has been designed from the ground up to deliver consistently reliable results in even the most challenging environments. Cutting-edge orientation algorithms, advanced internal time management, and a flexible event triggering system put the 3DM-CV7 in a league of its own when it comes to price versus performance.

Sensor

Tactical grade gyro (1.5°/hr bias instability)
Fully calibrated over the entire temperature range
Roll/pitch static accuracy: 0.25°, dynamic accuracy: 0.5°
Integrated magnetometer for absolute heading tracking

Operation

Onboard Extended Kalman Filter for attitude estimation
User-selectable accelerometer and gyroscope range
1 KHz output data rate for all channels
Factory supported ROS1 and ROS2 driver
SensorConnect software for configuration, control, display, and logging
MSCL open-source API for easy integration

Package

Anodized aluminium mounting base
Precision alignment features
Compact and low profile
- 38mm x 24mm x 8.6mm
- 8.3 grams
- 18% thinner than the 3DM-CV5
- 20% lighter than the 3DM-CV5
USB and UART (TTL) interface
–40 to +85°C operating temperature range

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Specifications

Environment: Min. operating temperature [C]

-40

Max. operating temperature [C]

85

Power Supply: Min. Voltage (DC)

3.2

Max. Voltage (DC)

5.2

Power consumption [W]

0.23

Operational: Interface types

Interfaces

USB, UART

Output frequency [ Hz ]

1000

Pressure sensor: Pressure sensor

Y

General: System components

Accelerometer(s), Gyroscope(s), Magnetometer(s), Pressure sensor

Height [mm]

8.6

Width [mm]

24

Length [mm]

38

Weight [gr]

8.3

Magnetometers: Range [ ± Gauss ]

8

Additional specifications: Distinguishable features

Advanced internal time management, flexible event triggering system, tactical grade gyroscope, superior vibration rejection, adjustable sampling rates, adjustable accelerometer & gyroscope ranges