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Micro-IMU Module

Product Model:

MSI323

Product Features ● Miniaturized IMU ● Excellent environmental adaptability ● Strong anti-interference capability ● Full Temperature Compensation

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Product Introduction

The MSI323 Micro Inertial Measurement Unit is a compact, high‑performance, low‑cost IMU based on microelectromechanical systems (MEMS) technology. It can measure the three-dimensional angular velocity and acceleration of a moving platform. Built-in algorithms and compensation software—including full temperature compensation, installation misalignment angle compensation, and nonlinear compensation—ensure stable and superior performance under both static conditions and dynamic in‑vehicle scenarios, guaranteeing that users continue to receive excellent, reliable measurement data even in harsh environmental conditions.

Performance Metrics

Test conditions: Room temperature (23 ± 2°C)

Note: The random walk and zero bias instability test environment is at room temperature.

Spinning top			Accelerometer			System
Measurement range	±450	°/s	Measurement range	±10	g	Supply voltage	5 ± 0.3	√
Full-temperature zero bias	≤150	°/h	Full-temperature zero bias	≤5	mg	Operating temperature range	-45~+85	°C
Random Walk with Random Angles	≤0.25	°/√h	Rate Random Walk	≤0.025	m/s/√h	Shock-resistant	≥2000	g
Zero Bias Instability	≤2.5	°/h	Zero Bias Instability	≤0.025	mg	Vibration	≥20	gms
Zero‑bias stability (1σ)	≤10	°/h	Zero‑bias stability (1σ)	≤0.2	mg	Size	22.4×22.4×9	mm
Zero bias repeatability (1σ)	≤10	°/h	Zero bias repeatability (1σ)	≤0.2	mg	Weight	≤20	g
Nonlinear scale factor	≤50	ppm	Nonlinear scale factor (±1g)	≤200	ppm	Interface Type	UART	--
Bandwidth (adjustable from 10 to 250 Hz)	150	Hz	Bandwidth (adjustable from 10 to 250 Hz)	150	Hz	Connector	Mole×5015680607	--