North-Seeking IMU FSS-NS15

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Introduction Domestic leading MEMS IMU north finder

Volume R28.8x330.5mm

Weight 375.5g

Application field Tunnel exploration survey, underground pipe network mapping, tunnel / underground north finding

Product features Ultra high precision gyroscope, ultra-high and low noise, stable operation in full temperature range

Software interface RS422

Hardware interface J30J-9ZKP

13482465596

DetailTechnical IndexDownloadHardware and Structu

^{MEMS IMU North Seeking}

^{⚫ North seeking accuracy: 0.48 ° ( 1σ )}

^{(Can support north-finding mission with Roll/Pitch ＜20° rms)}

^{Ultra High Precision Gyroscope}

^{⚫ Bias instability: 0.4°/h}

^{Ultra Low Noise}

^{⚫ Low Noise Beyond Fiber Optic Gyro}

^{Ultra Small Volume}

^{⚫ Size of}⁸^{8 x}⁸^{8 x}^{57 mm}

^{⚫ Built-in Motor, Can be used for dual-position north finding.}

^{Full Temperature Stable Operation}

^{⚫ Steady Fine Temperature Compensation at -40℃~85 ℃}

^{Flexible Working Interface}

^{⚫ On-demand customization such as SPI/I²C/Serial/CAN}

Gyroscope Key Metrics

Parameters	Test Conditions/Remarks	Min.	Typ.	Max.	Unit
Measurement Range			±500		°/s
Bias Instability¹	@25℃, ALLAN Variance, 1σ		0.4		°/hr
Misalignment			0.02		deg
Internal Low-pass Cutoff Frequency	Adjustable Software		47		Hz
ODR			100		Hz
Measure Delay				7.0	ms
Random Walk¹	@25℃, ALLAN Variance, 1σ		0.035		°/√hr
Scale Coefficient Error			1.0		‰

Note 1: IEEE standard values acquired from Allan Variance analysis in a static environment (25°C)

Accelerometer Key Metrics

Parameters	Test Conditions/Remarks	Min.	Typ.	Max.	Unit
Measurement Range			±6		g
Bias Instability¹	@25℃, ALLAN Variance, 1σ		5		μg
Misalignment			0.02		deg
Internal Low-pass Cutoff Frequency	Adjustable Software		47		Hz
ODR			100		Hz
Measure Delay				7.0	ms
Random Walk¹	@25℃, ALLAN Variance, 1σ		0.005		m/s/√hr