IMU 42 & 42xp

Tactical Inertial Measurement Unit

The IMU42 is a compact, lightweight, high performance Inertial Measurement Unit (IMU) featuring the best size/performance ratio available with extremely high bandwidth. The IMU 42 is ideally suited for applications requiring navigation, line-of-sight stabilization and flight control. It employs the latest closed-loop fiber-optic gyro (FOG) and linear rebalanced accelerometer technology. It is available in multiple configurations to meet different price and performance requirements.

Compatible for the following Applications:
Payloads
Stabilized electro-optical payloads
Guided Munitions
Anti aircraft and air defense missiles
Aerial pods
Advanced targeting pods

IMU 42/42xp Benefits

Two optional grades:

The IMU42 is offered in two performance grades, a variety of configurations, all in the same compact form.

Compatible with legacy IMU products

Form, fit and function performance replacement for other known IMUs.

Hard mounted with very high bandwidth:

Suitable for LOS stabilization, missiles, and demanding environments

ITAR-Free

Our products are ITAR-free and are entirely designed and developed in-house

Technical Information

The IMU 42 is a tactical grade IMU containing closed-loop fiber optic gyros and linear rebalanced accelerometer technology. The IMU 42 is a versatile inertial measurement system and comes in a variety of configurations supporting both navigation and control messages, several communication regimes tailored for different applications, with interfaces matching a legacy FOG unit. The IMU42 and the IMU42XP offer unmatched SWaP to performance ratio. Similarly to other Cielo products – the unit supports an advanced BIT with detailed fault isolation.

pdf Cielo_IMU42_F_Datasheet
ParametersIMU 42IMU 42 XP
Gyro
Bias repeatability (day to day) [°/hr]< 0.3< 0.1
Bias residual (over temperature) [°/hr]< 0.5< 0.1
Bias stability (constant temperature) [°/hr]0.10.03
Dynamic Range [°/sec]±2000±1000
Angular Random Walk [°√hr]0.0150.006
Scale Factor Linearity [ppm]10050
Accelerometer
One year bias composite error [ug]12001000
One year SF composite error [ppm]12001000
Dynamic range [g]5050

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